src/jdk.jcmd/share/classes/sun/tools/jinfo/JInfo.java

rev 55749 : 8227868: jinfo and jstack can fail converting UTF8 output to strings
Reviewed-by:

@@ -28,14 +28,14 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Collection;
 
 import com.sun.tools.attach.VirtualMachine;
-import com.sun.tools.attach.VirtualMachineDescriptor;
 
 import sun.tools.attach.HotSpotVirtualMachine;
 import sun.tools.common.ProcessArgumentMatcher;
+import sun.tools.common.PrintStreamPrinter;
 
 /*
  * This class is the main class for the JInfo utility. It parses its arguments
  * and decides if the command should be satisfied using the VM attach mechanism
  * or an SA tool.

@@ -201,21 +201,11 @@
         }
     }
 
     // Read the stream from the target VM until EOF, then detach
     private static void drain(VirtualMachine vm, InputStream in) throws IOException {
-        // read to EOF and just print output
-        byte b[] = new byte[256];
-        int n;
-        do {
-            n = in.read(b);
-            if (n > 0) {
-                String s = new String(b, 0, n, "UTF-8");
-                System.out.print(s);
-            }
-        } while (n > 0);
-        in.close();
+        PrintStreamPrinter.drainUTF8(in, System.out);
         vm.detach();
     }
 
     private static void checkForUnsupportedOptions(String[] args) {
         // Check arguments for -F, and non-numeric value