# HG changeset patch
# User clanger
# Date 1464335829 -7200
#      Fri May 27 09:57:09 2016 +0200
# Node ID 46e6255ac7b0976a76ced5da46d380266f309a61
# Parent  baf8c2e6b0cea1f2236298ee98eac2e4582231ea
8158023: SocketExceptions contain too little information sometimes

diff --git a/src/java.base/share/native/libjava/jni_util.c b/src/java.base/share/native/libjava/jni_util.c
--- a/src/java.base/share/native/libjava/jni_util.c
+++ b/src/java.base/share/native/libjava/jni_util.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -54,134 +54,153 @@
 JNIEXPORT void JNICALL
 JNU_ThrowNullPointerException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/NullPointerException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "NullPointerException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowArrayIndexOutOfBoundsException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/ArrayIndexOutOfBoundsException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "ArrayIndexOutOfBoundsException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowOutOfMemoryError(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/OutOfMemoryError", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "OutOfMemoryError", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowIllegalArgumentException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/IllegalArgumentException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "IllegalArgumentException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowIllegalAccessError(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/IllegalAccessError", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "IllegalAccessError", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowIllegalAccessException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/IllegalAccessException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "IllegalAccessException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowInternalError(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/InternalError", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "InternalError", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowNoSuchFieldException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/NoSuchFieldException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "NoSuchFieldException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowNoSuchMethodException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/NoSuchMethodException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "NoSuchMethodException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowClassNotFoundException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/ClassNotFoundException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "ClassNotFoundException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowNumberFormatException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/NumberFormatException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "NumberFormatException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowIOException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/io/IOException", msg);
+    JNU_ThrowByName(env, JNU_JAVAIOPKG "IOException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowNoSuchFieldError(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/NoSuchFieldError", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "NoSuchFieldError", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowNoSuchMethodError(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/NoSuchMethodError", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "NoSuchMethodError", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowStringIndexOutOfBoundsException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/StringIndexOutOfBoundsException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "StringIndexOutOfBoundsException", msg);
 }
 
 JNIEXPORT void JNICALL
 JNU_ThrowInstantiationException(JNIEnv *env, const char *msg)
 {
-    JNU_ThrowByName(env, "java/lang/InstantiationException", msg);
+    JNU_ThrowByName(env, JNU_JAVAPKG "InstantiationException", msg);
 }
 
-
-/* Throw an exception by name, using the string returned by
- * JVM_LastErrorString for the detail string.  If the last-error
+/*
+ * Throw an exception by name, using the string returned by
+ * getLastErrorString for the detail string. If the last-error
  * string is NULL, use the given default detail string.
  */
 JNIEXPORT void JNICALL
 JNU_ThrowByNameWithLastError(JNIEnv *env, const char *name,
                              const char *defaultDetail)
 {
-    char buf[256];
+    char buf[255 + 1]; // 256 characters, including terminating 0
     size_t n = getLastErrorString(buf, sizeof(buf));
 
     if (n > 0) {
-        jstring s = JNU_NewStringPlatform(env, buf);
-        if (s != NULL) {
-            jobject x = JNU_NewObjectByName(env, name,
-                                            "(Ljava/lang/String;)V", s);
-            if (x != NULL) {
-                (*env)->Throw(env, x);
-            }
-        }
-    }
-    if (!(*env)->ExceptionOccurred(env)) {
+        JNU_ThrowByName(env, name, buf);
+    } else {
         JNU_ThrowByName(env, name, defaultDetail);
     }
 }
 
-/* Throw an IOException, using the last-error string for the detail
- * string.  If the last-error string is NULL, use the given default
- * detail string.
+/*
+ * Throw an exception by name, using a given message and the string
+ * returned by getLastErrorString to construct the detail string.
+ */
+JNIEXPORT void JNICALL
+JNU_ThrowByNameWithMessageAndLastError
+  (JNIEnv *env, const char *name, const char *message)
+{
+    char buf[254 + 2 + 255 + 1]; // 512 characters, including terminating 0
+    char errorBuf[255 + 1];
+    size_t errorLen = getLastErrorString(errorBuf, sizeof(errorBuf));
+
+    if (message != NULL && strlen(message) != 0) {
+        if (errorLen != 0) {
+            jio_snprintf(buf, sizeof(buf), "%.254s: %.255s", message, errorBuf);
+        } else {
+            jio_snprintf(buf, sizeof(buf), "%s", message);
+        }
+    } else if (errorLen != 0) {
+        jio_snprintf(buf, sizeof(buf), "%s", errorBuf);
+    } else {
+        jio_snprintf(buf, sizeof(buf), "no further information");
+    }
+
+    JNU_ThrowByName(env, name, buf);
+}
+
+/*
+ * Convenience method.
+ * Call JNU_ThrowByNameWithLastError for java.io.IOException.
  */
 JNIEXPORT void JNICALL
 JNU_ThrowIOExceptionWithLastError(JNIEnv *env, const char *defaultDetail)
 {
-    JNU_ThrowByNameWithLastError(env, "java/io/IOException", defaultDetail);
+    JNU_ThrowByNameWithLastError(env, JNU_JAVAIOPKG "IOException", defaultDetail);
 }
 
 
diff --git a/src/java.base/share/native/libjava/jni_util.h b/src/java.base/share/native/libjava/jni_util.h
--- a/src/java.base/share/native/libjava/jni_util.h
+++ b/src/java.base/share/native/libjava/jni_util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -97,17 +97,26 @@
 JNIEXPORT void JNICALL
 JNU_ThrowInstantiationException(JNIEnv *env, const char *msg);
 
-/* Throw an exception by name, using the string returned by
- * JVM_LastErrorString for the detail string.  If the last-error
+/*
+ * Throw an exception by name, using the string returned by
+ * getLastErrorString for the detail string. If the last-error
  * string is NULL, use the given default detail string.
  */
 JNIEXPORT void JNICALL
 JNU_ThrowByNameWithLastError(JNIEnv *env, const char *name,
-                             const char *defaultMessage);
+                             const char *defaultDetail);
 
-/* Throw an IOException, using the last-error string for the detail
- * string.  If the last-error string is NULL, use the given default
- * detail string.
+/*
+ * Throw an exception by name, using a given message and the string
+ * returned by getLastErrorString to construct the detail string.
+ */
+JNIEXPORT void JNICALL
+JNU_ThrowByNameWithMessageAndLastError
+  (JNIEnv *env, const char *name, const char *message);
+
+/*
+ * Convenience method.
+ * Call JNU_ThrowByNameWithLastError for java.io.IOException.
  */
 JNIEXPORT void JNICALL
 JNU_ThrowIOExceptionWithLastError(JNIEnv *env, const char *defaultDetail);
diff --git a/src/java.base/unix/native/libnet/Inet4AddressImpl.c b/src/java.base/unix/native/libnet/Inet4AddressImpl.c
--- a/src/java.base/unix/native/libnet/Inet4AddressImpl.c
+++ b/src/java.base/unix/native/libnet/Inet4AddressImpl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -803,7 +803,7 @@
         }
 
         if (errno != EINPROGRESS) {
-          NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+          JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
                                        "connect failed");
           close(fd);
           return JNI_FALSE;
diff --git a/src/java.base/unix/native/libnet/Inet6AddressImpl.c b/src/java.base/unix/native/libnet/Inet6AddressImpl.c
--- a/src/java.base/unix/native/libnet/Inet6AddressImpl.c
+++ b/src/java.base/unix/native/libnet/Inet6AddressImpl.c
@@ -790,7 +790,7 @@
         }
 
         if (errno != EINPROGRESS) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+            JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
                                          "connect failed");
             close(fd);
             return JNI_FALSE;
diff --git a/src/java.base/unix/native/libnet/NetworkInterface.c b/src/java.base/unix/native/libnet/NetworkInterface.c
--- a/src/java.base/unix/native/libnet/NetworkInterface.c
+++ b/src/java.base/unix/native/libnet/NetworkInterface.c
@@ -619,8 +619,8 @@
     (*env)->ReleaseStringUTFChars(env, name, name_utf);
 
     if (ret < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGLIFFLAGS failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "getFlags() failed");
         return -1;
     }
 
@@ -1033,8 +1033,8 @@
         // If EPROTONOSUPPORT is returned it means we don't have
         // support for this proto so don't throw an exception.
         if (errno != EPROTONOSUPPORT) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                         "Socket creation failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Socket creation failed");
         }
         return -1;
     }
@@ -1059,13 +1059,13 @@
     if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
         if (errno == EPROTONOSUPPORT) {
             if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                             "IPV6 Socket creation failed");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "IPV6 Socket creation failed");
                 return -1;
             }
         } else { // errno is not NOSUPPORT
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                         "IPV4 Socket creation failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "IPV4 Socket creation failed");
             return -1;
         }
     }
@@ -1094,15 +1094,15 @@
     // SIOCGIFCOUNT doesn't work
     ifc.ifc_buf = NULL;
     if (ioctl(sock, SIOCGIFCONF, (char *)&ifc) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGIFCONF failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFCONF) failed");
         return ifs;
     }
 #elif defined(_AIX)
     ifc.ifc_buf = NULL;
     if (ioctl(sock, SIOCGSIZIFCONF, &(ifc.ifc_len)) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGSIZIFCONF failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGSIZIFCONF) failed");
         return ifs;
     }
 #endif /* __linux__ */
@@ -1114,8 +1114,8 @@
     siocgifconfRequest = CSIOCGIFCONF;
 #endif
     if (ioctl(sock, siocgifconfRequest, (char *)&ifc) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGIFCONF failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFCONF) failed");
         free(buf);
         return ifs;
     }
@@ -1210,8 +1210,8 @@
 
     ifc.ifc_buf = NULL;
     if (ioctl(sock, SIOCGSIZIFCONF, &(ifc.ifc_len)) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                    "ioctl SIOCGSIZIFCONF failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGSIZIFCONF) failed");
         return ifs;
     }
     bufsize = ifc.ifc_len;
@@ -1224,8 +1224,8 @@
     ifc.ifc_len = bufsize;
     ifc.ifc_buf = buf;
     if (ioctl(sock, SIOCGIFCONF, (char *)&ifc) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl CSIOCGIFCONF failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFCONF) failed");
         free(buf);
         return ifs;
     }
@@ -1309,16 +1309,16 @@
 
     // Let's make sure the interface does have a broadcast address.
     if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2)  < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGIFFLAGS failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFFLAGS) failed");
         return ret;
     }
 
     if (if2.ifr_flags & IFF_BROADCAST) {
         // It does, let's retrieve it
         if (ioctl(sock, SIOCGIFBRDADDR, (char *)&if2) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                         "ioctl SIOCGIFBRDADDR failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFBRDADDR) failed");
             return ret;
         }
 
@@ -1341,8 +1341,8 @@
     strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
 
     if (ioctl(sock, SIOCGIFNETMASK, (char *)&if2) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGIFNETMASK failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFNETMASK) failed");
         return -1;
     }
 
@@ -1411,8 +1411,8 @@
     memset((char *)&ifr, 0, sizeof(ifr));
     strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
     if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGIFHWADDR failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFHWADDR) failed");
         return -1;
     }
 
@@ -1441,8 +1441,8 @@
     }
 
     if (ioctl(sock, SIOCGIFMTU, (char *)&if2) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGIFMTU failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFMTU) failed");
         return -1;
     }
 
@@ -1483,15 +1483,15 @@
     if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
         if (errno == EPROTONOSUPPORT) {
             if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                             "IPV6 Socket creation failed");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "IPV6 Socket creation failed");
                 return -1;
             }
 
             alreadyV6=1;
         } else { // errno is not NOSUPPORT
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                         "IPV4 Socket creation failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "IPV4 Socket creation failed");
             return -1;
         }
     }
@@ -1510,8 +1510,8 @@
         if (ioctl(sock, SIOCGLIFNETMASK, (char *)&if2) < 0) {
             close(sock);
             if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                             "IPV6 Socket creation failed");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "IPV6 Socket creation failed");
                 return -1;
             }
         }
@@ -1555,8 +1555,8 @@
     numifs.lifn_family = family;
     numifs.lifn_flags = 0;
     if (ioctl(sock, SIOCGLIFNUM, (char *)&numifs) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGLIFNUM failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFNUM) failed");
         return ifs;
     }
 
@@ -1569,8 +1569,8 @@
     ifc.lifc_len = bufsize;
     ifc.lifc_buf = buf;
     if (ioctl(sock, SIOCGLIFCONF, (char *)&ifc) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGLIFCONF failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFCONF) failed");
         free(buf);
         return ifs;
     }
@@ -1637,16 +1637,16 @@
 
     // Let's make sure the interface does have a broadcast address
     if (ioctl(sock, SIOCGLIFFLAGS, (char *)&if2)  < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGLIFFLAGS failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFFLAGS) failed");
         return ret;
     }
 
     if (if2.lifr_flags & IFF_BROADCAST) {
         // It does, let's retrieve it
         if (ioctl(sock, SIOCGLIFBRDADDR, (char *)&if2) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                         "ioctl SIOCGLIFBRDADDR failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFBRDADDR) failed");
             return ret;
         }
 
@@ -1669,8 +1669,8 @@
     strncpy(if2.lifr_name, ifname, sizeof(if2.lifr_name) - 1);
 
     if (ioctl(sock, SIOCGLIFNETMASK, (char *)&if2) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGLIFNETMASK failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFNETMASK) failed");
         return -1;
     }
 
@@ -1720,8 +1720,8 @@
     msg.len = DL_PHYS_ADDR_REQ_SIZE;
 
     if (putmsg(fd, &msg, NULL, 0) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "putmsg failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "putmsg() failed");
         return -1;
     }
 
@@ -1731,8 +1731,8 @@
     msg.len = 0;
     msg.maxlen = sizeof (buf);
     if (getmsg(fd, &msg, NULL, &flags) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "getmsg failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "getmsg() failed");
         return -1;
     }
 
@@ -1816,8 +1816,8 @@
     strncpy(if2.lifr_name, ifname, sizeof(if2.lifr_name) - 1);
 
     if (ioctl(sock, SIOCGLIFMTU, (char *)&if2) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                    "ioctl SIOCGLIFMTU failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGLIFMTU) failed");
         return -1;
     }
 
@@ -1856,13 +1856,13 @@
      if ((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
          if (errno == EPROTONOSUPPORT) {
               if ((sock = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
-                 NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                              "IPV6 Socket creation failed");
+                 JNU_ThrowByNameWithMessageAndLastError
+                     (env, JNU_JAVANETPKG "SocketException", "IPV6 Socket creation failed");
                  return -1;
               }
          } else { // errno is not NOSUPPORT
-             NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                          "IPV4 Socket creation failed");
+             JNU_ThrowByNameWithMessageAndLastError
+                 (env, JNU_JAVANETPKG "SocketException", "IPV4 Socket creation failed");
              return -1;
          }
    }
@@ -1883,8 +1883,8 @@
     struct ifaddrs *ifa, *origifa;
 
     if (getifaddrs(&origifa) != 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "getifaddrs() function failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "getifaddrs() failed");
         return ifs;
     }
 
@@ -1945,8 +1945,8 @@
     struct in6_ifreq ifr6;
 
     if (getifaddrs(&origifa) != 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "getifaddrs() function failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "getifaddrs() failed");
         return ifs;
     }
 
@@ -1962,8 +1962,8 @@
                MIN(sizeof(ifr6.ifr_addr), ifa->ifa_addr->sa_len));
 
         if (ioctl(sock, SIOCGIFNETMASK_IN6, (caddr_t)&ifr6) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                         "ioctl SIOCGIFNETMASK_IN6 failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFNETMASK_IN6) failed");
             freeifaddrs(origifa);
             freeif(ifs);
             return NULL;
@@ -2022,16 +2022,16 @@
 
     // Make sure the interface does have a broadcast address
     if (ioctl(sock, SIOCGIFFLAGS, (char *)&if2) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGIFFLAGS failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFFLAGS) failed");
         return ret;
     }
 
     if (if2.ifr_flags & IFF_BROADCAST) {
         // It does, let's retrieve it
         if (ioctl(sock, SIOCGIFBRDADDR, (char *)&if2) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                         "ioctl SIOCGIFBRDADDR failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFBRDADDR) failed");
             return ret;
         }
 
@@ -2054,8 +2054,8 @@
     strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
 
     if (ioctl(sock, SIOCGIFNETMASK, (char *)&if2) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGIFNETMASK failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFNETMASK) failed");
         return -1;
     }
 
@@ -2110,8 +2110,8 @@
     strncpy(if2.ifr_name, ifname, sizeof(if2.ifr_name) - 1);
 
     if (ioctl(sock, SIOCGIFMTU, (char *)&if2) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                     "ioctl SIOCGIFMTU failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "ioctl(SIOCGIFMTU) failed");
         return -1;
     }
 
diff --git a/src/java.base/unix/native/libnet/PlainDatagramSocketImpl.c b/src/java.base/unix/native/libnet/PlainDatagramSocketImpl.c
--- a/src/java.base/unix/native/libnet/PlainDatagramSocketImpl.c
+++ b/src/java.base/unix/native/libnet/PlainDatagramSocketImpl.c
@@ -218,11 +218,11 @@
     if (NET_Bind(fd, (struct sockaddr *)&him, len) < 0)  {
         if (errno == EADDRINUSE || errno == EADDRNOTAVAIL ||
             errno == EPERM || errno == EACCES) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "BindException",
-                            "Bind failed");
+            JNU_ThrowByNameWithLastError
+                (env, JNU_JAVANETPKG "BindException", "Bind failed");
         } else {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                            "Bind failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Bind failed");
         }
         return;
     }
@@ -233,8 +233,8 @@
          * that the system chose for us and store it in the Socket object.
          */
         if (getsockname(fd, (struct sockaddr *)&him, &slen) == -1) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                            "Error getting socket name");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket name");
             return;
         }
 
@@ -281,8 +281,8 @@
     setDefaultScopeID(env, (struct sockaddr *)&rmtaddr);
 
     if (NET_Connect(fd, (struct sockaddr *)&rmtaddr, len) == -1) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
-                        "Connect failed");
+        JNU_ThrowByNameWithLastError
+            (env, JNU_JAVANETPKG "ConnectException", "Connect failed");
         return;
     }
 
@@ -469,7 +469,7 @@
             JNU_ThrowByName(env, JNU_JAVANETPKG "PortUnreachableException",
                             "ICMP Port Unreachable");
         } else {
-            NET_ThrowByNameWithLastError(env, "java/io/IOException", "sendto failed");
+            JNU_ThrowIOExceptionWithLastError(env, "sendto failed");
         }
     }
 
@@ -520,7 +520,8 @@
             } else if (errno == ENOMEM) {
                  JNU_ThrowOutOfMemoryError(env, "NET_Timeout native heap allocation failed");
             } else {
-                 NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Peek failed");
+                 JNU_ThrowByNameWithMessageAndLastError
+                     (env, JNU_JAVANETPKG "SocketException", "Peek failed");
             }
             return ret;
         }
@@ -544,7 +545,8 @@
             if (errno == EBADF) {
                  JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
             } else {
-                 NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Peek failed");
+                 JNU_ThrowByNameWithMessageAndLastError
+                     (env, JNU_JAVANETPKG "SocketException", "Peek failed");
             }
         }
         return 0;
@@ -616,7 +618,8 @@
             } else if (errno == EBADF) {
                 JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
             } else {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Receive failed");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "Receive failed");
 #else
             } else {
                 JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
@@ -681,7 +684,8 @@
             if (errno == EBADF) {
                  JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
             } else {
-                 NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Receive failed");
+                 JNU_ThrowByNameWithMessageAndLastError
+                     (env, JNU_JAVANETPKG "SocketException", "Receive failed");
             }
         }
     } else {
@@ -827,7 +831,8 @@
                     } else if (errno == EBADF) {
                          JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
                     } else {
-                        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Receive failed");
+                        JNU_ThrowByNameWithMessageAndLastError
+                            (env, JNU_JAVANETPKG "SocketException", "Receive failed");
 #else
                     } else {
                         JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
@@ -859,7 +864,8 @@
                 if (errno == EBADF) {
                      JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
                  } else {
-                     NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Receive failed");
+                     JNU_ThrowByNameWithMessageAndLastError
+                         (env, JNU_JAVANETPKG "SocketException", "Receive failed");
                  }
             }
         } else {
@@ -932,8 +938,8 @@
     }
 
     if ((fd = socket(domain, SOCK_DGRAM, 0)) == -1) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                       "Error creating socket");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error creating socket");
         return;
     }
 
@@ -1080,8 +1086,8 @@
 
     if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                    (const char*)&in, sizeof(in)) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                       "Error setting socket option");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
     }
 }
 
@@ -1109,8 +1115,8 @@
                 "IPV6_MULTICAST_IF failed (interface has IPv4 "
                 "address only?)");
         } else {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                           "Error setting socket option");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
         }
         return;
     }
@@ -1129,8 +1135,8 @@
 
     if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                    (const char*)&in, sizeof(in)) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                         "Error setting socket option");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
     }
 }
 
@@ -1256,8 +1262,10 @@
     on = (*env)->GetBooleanField(env, value, fid);
     loopback = (!on ? 1 : 0);
 
-    if (NET_SetSockOpt(fd, IPPROTO_IP, IP_MULTICAST_LOOP, (const void *)&loopback, sizeof(char)) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
+    if (NET_SetSockOpt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
+                       (const void *)&loopback, sizeof(char)) < 0) {
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
         return;
     }
 }
@@ -1280,8 +1288,10 @@
     on = (*env)->GetBooleanField(env, value, fid);
     loopback = (!on ? 1 : 0);
 
-    if (NET_SetSockOpt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, (const void *)&loopback, sizeof(int)) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
+    if (NET_SetSockOpt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP,
+                       (const void *)&loopback, sizeof(int)) < 0) {
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
         return;
     }
 
@@ -1420,7 +1430,8 @@
     }
 
     if (NET_SetSockOpt(fd, level, optname, (const void *)&optval, optlen) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
         return;
     }
 }
@@ -1483,8 +1494,8 @@
 
         if (getsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                        (char *)inP, &len) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                             "Error getting socket option");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket option");
             return NULL;
         }
 
@@ -1581,8 +1592,8 @@
 
         if (getsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_IF,
                        (char*)&index, &len) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                           "Error getting socket option");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket option");
             return NULL;
         }
 
@@ -1726,8 +1737,8 @@
         len = SOCKADDR_LEN;
 
         if (getsockname(fd, (struct sockaddr *)&him, &len) == -1) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                           "Error getting socket name");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket name");
             return NULL;
         }
         iaObj = NET_SockaddrToInetAddress(env, (struct sockaddr *)&him, &port);
@@ -1752,8 +1763,8 @@
     }
 
     if (NET_GetSockOpt(fd, level, optname, (void *)&optval, &optlen) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                         "Error getting socket option");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error getting socket option");
         return NULL;
     }
 
@@ -1805,8 +1816,8 @@
     char ittl = (char)ttl;
     if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL, (char*)&ittl,
                    sizeof(ittl)) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                       "Error setting socket option");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
     }
 }
 
@@ -1818,8 +1829,8 @@
     int ittl = (int)ttl;
     if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
                    (char*)&ittl, sizeof(ittl)) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                       "Error setting socket option");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
     }
 }
 #endif
@@ -1901,8 +1912,8 @@
 
         if (getsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_HOPS,
                        (char*)&ttl, &len) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                         "Error getting socket option");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket option");
             return -1;
         }
         return (jint)ttl;
@@ -1913,8 +1924,8 @@
             socklen_t len = sizeof(ttl);
             if (getsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL,
                            (char*)&ttl, &len) < 0) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                               "Error getting socket option");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "Error getting socket option");
                 return -1;
             }
             return (jint)ttl;
diff --git a/src/java.base/unix/native/libnet/PlainSocketImpl.c b/src/java.base/unix/native/libnet/PlainSocketImpl.c
--- a/src/java.base/unix/native/libnet/PlainSocketImpl.c
+++ b/src/java.base/unix/native/libnet/PlainSocketImpl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -358,8 +358,8 @@
             jlong prevTime = JVM_CurrentTimeMillis(env, 0);
 
             if (errno != EINPROGRESS) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
-                             "connect failed");
+                JNU_ThrowByNameWithLastError
+                    (env, JNU_JAVANETPKG "ConnectException", "connect failed");
                 SET_BLOCKING(fd);
                 return;
             }
@@ -455,28 +455,29 @@
 #endif
 #if defined(EPROTO)
         if (errno == EPROTO) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ProtocolException",
-                           "Protocol error");
+            JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ProtocolException",
+                                         "Protocol error");
             return;
         }
 #endif
         if (errno == ECONNREFUSED) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
-                           "Connection refused");
+            JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+                                         "Connection refused");
         } else if (errno == ETIMEDOUT) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
-                           "Connection timed out");
+            JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+                                         "Connection timed out");
         } else if (errno == EHOSTUNREACH) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "NoRouteToHostException",
-                           "Host unreachable");
+            JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "NoRouteToHostException",
+                                         "Host unreachable");
         } else if (errno == EADDRNOTAVAIL) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "NoRouteToHostException",
-                             "Address not available");
+            JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "NoRouteToHostException",
+                                         "Address not available");
         } else if ((errno == EISCONN) || (errno == EBADF)) {
             JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
                             "Socket closed");
         } else {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "connect failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "connect failed");
         }
         return;
     }
@@ -498,8 +499,8 @@
          */
         socklen_t slen = SOCKADDR_LEN;
         if (getsockname(fd, (struct sockaddr *)&him, &slen) == -1) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                           "Error getting socket name");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket name");
         } else {
             localport = NET_GetPortFromSockaddr((struct sockaddr *)&him);
             (*env)->SetIntField(env, this, psi_localportID, localport);
@@ -536,19 +537,20 @@
     }
 
     /* bind */
-    if (NET_InetAddressToSockaddr(env, iaObj, localport, (struct sockaddr *)&him, &len, JNI_TRUE) != 0) {
-      return;
+    if (NET_InetAddressToSockaddr(env, iaObj, localport, (struct sockaddr *)&him,
+                                  &len, JNI_TRUE) != 0) {
+        return;
     }
     setDefaultScopeID(env, (struct sockaddr *)&him);
 
     if (NET_Bind(fd, (struct sockaddr *)&him, len) < 0) {
         if (errno == EADDRINUSE || errno == EADDRNOTAVAIL ||
             errno == EPERM || errno == EACCES) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "BindException",
-                           "Bind failed");
+            JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "BindException",
+                                         "Bind failed");
         } else {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                           "Bind failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Bind failed");
         }
         return;
     }
@@ -563,8 +565,8 @@
          * that the system chose for us and store it in the Socket object.
          */
         if (getsockname(fd, (struct sockaddr *)&him, &slen) == -1) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                           "Error getting socket name");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket name");
             return;
         }
         localport = NET_GetPortFromSockaddr((struct sockaddr *)&him);
@@ -580,8 +582,8 @@
  * Signature: (I)V
  */
 JNIEXPORT void JNICALL
-Java_java_net_PlainSocketImpl_socketListen (JNIEnv *env, jobject this,
-                                            jint count)
+Java_java_net_PlainSocketImpl_socketListen(JNIEnv *env, jobject this,
+                                           jint count)
 {
     /* this FileDescriptor fd field */
     jobject fdObj = (*env)->GetObjectField(env, this, psi_fdID);
@@ -604,8 +606,8 @@
         count -= 1;
 
     if (listen(fd, count) == -1) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                       "Listen failed");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Listen failed");
     }
 }
 
@@ -684,7 +686,8 @@
             } else if (errno == ENOMEM) {
                JNU_ThrowOutOfMemoryError(env, "NET_Timeout native heap allocation failed");
             } else {
-               NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Accept failed");
+               JNU_ThrowByNameWithMessageAndLastError
+                   (env, JNU_JAVANETPKG "SocketException", "Accept failed");
             }
             return;
         }
@@ -727,7 +730,8 @@
             if (errno == EBADF) {
                 JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
             } else {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException", "Accept failed");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "Accept failed");
             }
         }
         return;
@@ -781,8 +785,8 @@
         if (errno == ECONNRESET) {
             JNU_ThrowByName(env, "sun/net/ConnectionResetException", "");
         } else {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                         "ioctl FIONREAD failed");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "ioctl FIONREAD failed");
         }
     }
     return ret;
@@ -936,8 +940,8 @@
             return;
         }
 #endif /* __solaris__ */
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                      "Error setting socket option");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
     }
 }
 
@@ -981,8 +985,8 @@
         len = SOCKADDR_LEN;
 
         if (getsockname(fd, (struct sockaddr *)&him, &len) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                             "Error getting socket name");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket name");
             return -1;
         }
         iaObj = NET_SockaddrToInetAddress(env, (struct sockaddr *)&him, &port);
@@ -1014,8 +1018,8 @@
     }
 
     if (NET_GetSockOpt(fd, level, optname, (void *)&optval, &optlen) < 0) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                      "Error getting socket option");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error getting socket option");
         return -1;
     }
 
@@ -1063,6 +1067,6 @@
     }
     n = NET_Send(fd, (char *)&d, 1, MSG_OOB);
     if (n == -1) {
-        NET_ThrowByNameWithLastError(env, "java/io/IOException", "Write failed");
+        JNU_ThrowIOExceptionWithLastError(env, "Write failed");
     }
 }
diff --git a/src/java.base/unix/native/libnet/SocketInputStream.c b/src/java.base/unix/native/libnet/SocketInputStream.c
--- a/src/java.base/unix/native/libnet/SocketInputStream.c
+++ b/src/java.base/unix/native/libnet/SocketInputStream.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -111,8 +111,8 @@
                 } else if (errno == ENOMEM) {
                     JNU_ThrowOutOfMemoryError(env, "NET_Timeout native heap allocation failed");
                 } else {
-                    NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                                  "select/poll failed");
+                    JNU_ThrowByNameWithMessageAndLastError
+                        (env, JNU_JAVANETPKG "SocketException", "select/poll failed");
                 }
             }
             if (bufP != BUF) {
@@ -145,8 +145,8 @@
                      break;
 
                 default:
-                    NET_ThrowByNameWithLastError(env,
-                        JNU_JAVANETPKG "SocketException", "Read failed");
+                    JNU_ThrowByNameWithMessageAndLastError
+                        (env, JNU_JAVANETPKG "SocketException", "Read failed");
             }
         }
     } else {
diff --git a/src/java.base/unix/native/libnet/SocketOutputStream.c b/src/java.base/unix/native/libnet/SocketOutputStream.c
--- a/src/java.base/unix/native/libnet/SocketOutputStream.c
+++ b/src/java.base/unix/native/libnet/SocketOutputStream.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -69,7 +69,7 @@
     int fd;
 
     if (IS_NULL(fdObj)) {
-        JNU_ThrowByName(env, "java/net/SocketException", "Socket closed");
+        JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
         return;
     } else {
         fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
@@ -77,7 +77,7 @@
          * was closed (sysCloseFD), the file descriptor is set to -1.
          */
         if (fd == -1) {
-            JNU_ThrowByName(env, "java/net/SocketException", "Socket closed");
+            JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
             return;
         }
 
@@ -114,8 +114,8 @@
                 JNU_ThrowByName(env, "sun/net/ConnectionResetException",
                     "Connection reset");
             } else {
-                NET_ThrowByNameWithLastError(env, "java/net/SocketException",
-                    "Write failed");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "Write failed");
             }
             if (bufP != BUF) {
                 free(bufP);
diff --git a/src/java.base/unix/native/libnet/net_util_md.c b/src/java.base/unix/native/libnet/net_util_md.c
--- a/src/java.base/unix/native/libnet/net_util_md.c
+++ b/src/java.base/unix/native/libnet/net_util_md.c
@@ -272,15 +272,6 @@
 
 #endif
 
-
-void
-NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,
-                   const char *defaultDetail) {
-    char errmsg[255];
-    sprintf(errmsg, "errno: %d, error: %s\n", errno, defaultDetail);
-    JNU_ThrowByNameWithLastError(env, name, errmsg);
-}
-
 void
 NET_ThrowCurrent(JNIEnv *env, char *msg) {
     NET_ThrowNew(env, errno, msg);
diff --git a/src/java.base/unix/native/libnet/net_util_md.h b/src/java.base/unix/native/libnet/net_util_md.h
--- a/src/java.base/unix/native/libnet/net_util_md.h
+++ b/src/java.base/unix/native/libnet/net_util_md.h
@@ -53,8 +53,6 @@
 void NET_ThrowUnknownHostExceptionWithGaiError(JNIEnv *env,
                                                const char* hostname,
                                                int gai_error);
-void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,
-                                  const char *defaultDetail);
 
 #define NET_WAIT_READ    0x01
 #define NET_WAIT_WRITE   0x02
diff --git a/src/java.base/windows/native/libnet/Inet4AddressImpl.c b/src/java.base/windows/native/libnet/Inet4AddressImpl.c
--- a/src/java.base/windows/native/libnet/Inet4AddressImpl.c
+++ b/src/java.base/windows/native/libnet/Inet4AddressImpl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -233,7 +233,7 @@
           i++;
         }
     } else if (WSAGetLastError() == WSATRY_AGAIN) {
-        NET_ThrowByNameWithLastError(env,
+        JNU_ThrowByNameWithLastError(env,
                                      JNU_JAVANETPKG "UnknownHostException",
                                      hostname);
     } else {
diff --git a/src/java.base/windows/native/libnet/Inet6AddressImpl.c b/src/java.base/windows/native/libnet/Inet6AddressImpl.c
--- a/src/java.base/windows/native/libnet/Inet6AddressImpl.c
+++ b/src/java.base/windows/native/libnet/Inet6AddressImpl.c
@@ -108,7 +108,7 @@
 
     if (error) {
         if (WSAGetLastError() == WSATRY_AGAIN) {
-            NET_ThrowByNameWithLastError(env,
+            JNU_ThrowByNameWithLastError(env,
                                          JNU_JAVANETPKG "UnknownHostException",
                                          hostname);
             JNU_ReleaseStringPlatformChars(env, host, hostname);
@@ -407,7 +407,7 @@
         }
 
         if (WSAGetLastError() != WSAEWOULDBLOCK) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
+            JNU_ThrowByNameWithLastError(env, JNU_JAVANETPKG "ConnectException",
                                          "connect failed");
             WSACloseEvent(hEvent);
             closesocket(fd);
diff --git a/src/java.base/windows/native/libnet/TwoStacksPlainDatagramSocketImpl.c b/src/java.base/windows/native/libnet/TwoStacksPlainDatagramSocketImpl.c
--- a/src/java.base/windows/native/libnet/TwoStacksPlainDatagramSocketImpl.c
+++ b/src/java.base/windows/native/libnet/TwoStacksPlainDatagramSocketImpl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1713,8 +1713,8 @@
             in.s_addr = htonl(getInetAddress_addr(env, value));
             if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                                (const char*)&in, sizeof(in)) < 0) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                 "Error setting socket option");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
             }
             return;
         }
@@ -1741,7 +1741,7 @@
             }
             index = (*env)->GetIntField(env, value, ni_indexID);
 
-            if ( isAdapterIpv6Enabled(env, index) != 0 ) {
+            if (isAdapterIpv6Enabled(env, index) != 0) {
                 if (setsockopt(fd1, IPPROTO_IPV6, IPV6_MULTICAST_IF,
                                (const char*)&index, sizeof(index)) < 0) {
                     if (errno == EINVAL && index > 0) {
@@ -1749,8 +1749,8 @@
                             "IPV6_MULTICAST_IF failed (interface has IPv4 "
                             "address only?)");
                     } else {
-                        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                   "Error setting socket option");
+                        JNU_ThrowByNameWithMessageAndLastError
+                            (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
                     }
                     return;
                 }
@@ -1758,13 +1758,13 @@
             /* If there are any IPv4 addresses on this interface then
              * repeat the operation on the IPv4 fd */
 
-            if (getInet4AddrFromIf (env, value, &in) < 0) {
+            if (getInet4AddrFromIf(env, value, &in) < 0) {
                 return;
             }
             if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                                (const char*)&in, sizeof(in)) < 0) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                                 "Error setting socket option");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
             }
             return;
         } else {
@@ -1781,8 +1781,8 @@
 
             if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                                (const char*)&in, sizeof(in)) < 0) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                               "Error setting socket option");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "Error setting socket option");
             }
             return;
         }
@@ -1932,8 +1932,8 @@
         int len = sizeof(struct in_addr);
         if (getsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
                            (char *)inP, &len) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                             "Error getting socket option");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket option");
             return NULL;
         }
 
@@ -2056,8 +2056,8 @@
         {
             if (getsockopt(fd1, IPPROTO_IPV6, IPV6_MULTICAST_IF,
                                (char*)&index, &len) < 0) {
-                NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                               "Error getting socket option");
+                JNU_ThrowByNameWithMessageAndLastError
+                    (env, JNU_JAVANETPKG "SocketException", "Error getting socket option");
                 return NULL;
             }
         }
@@ -2288,8 +2288,8 @@
     }
 
     if (getsockname(fd, (struct sockaddr *)&him, &len) == -1) {
-        NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                       "Error getting socket name");
+        JNU_ThrowByNameWithMessageAndLastError
+            (env, JNU_JAVANETPKG "SocketException", "Error getting socket name");
         return NULL;
     }
     iaObj = NET_SockaddrToInetAddress(env, (struct sockaddr *)&him, &port);
diff --git a/src/java.base/windows/native/libnet/TwoStacksPlainSocketImpl.c b/src/java.base/windows/native/libnet/TwoStacksPlainSocketImpl.c
--- a/src/java.base/windows/native/libnet/TwoStacksPlainSocketImpl.c
+++ b/src/java.base/windows/native/libnet/TwoStacksPlainSocketImpl.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1054,8 +1054,8 @@
         }
 
         if (getsockname(fd, (struct sockaddr *)&him, &len) < 0) {
-            NET_ThrowByNameWithLastError(env, JNU_JAVANETPKG "SocketException",
-                             "Error getting socket name");
+            JNU_ThrowByNameWithMessageAndLastError
+                (env, JNU_JAVANETPKG "SocketException", "Error getting socket name");
             return -1;
         }
         iaObj = NET_SockaddrToInetAddress(env, (struct sockaddr *)&him, &port);
diff --git a/src/java.base/windows/native/libnet/net_util_md.c b/src/java.base/windows/native/libnet/net_util_md.c
--- a/src/java.base/windows/native/libnet/net_util_md.c
+++ b/src/java.base/windows/native/libnet/net_util_md.c
@@ -215,14 +215,6 @@
     (*env)->ThrowNew(env, cls, msg);
 }
 
-void
-NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,
-                   const char *defaultDetail) {
-    char errmsg[255];
-    sprintf(errmsg, "errno: %d, error: %s\n", WSAGetLastError(), defaultDetail);
-    JNU_ThrowByNameWithLastError(env, name, errmsg);
-}
-
 jfieldID
 NET_GetFileDescriptorID(JNIEnv *env)
 {
diff --git a/src/java.base/windows/native/libnet/net_util_md.h b/src/java.base/windows/native/libnet/net_util_md.h
--- a/src/java.base/windows/native/libnet/net_util_md.h
+++ b/src/java.base/windows/native/libnet/net_util_md.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -296,9 +296,6 @@
 
 int NET_Socket(int domain, int type, int protocol);
 
-void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,
-         const char *defaultDetail);
-
 void NET_ThrowSocketException(JNIEnv *env, char* msg);
 
 /*