--- old/jaxws/src/java.xml.ws/share/classes/com/sun/xml/internal/ws/api/pipe/ThreadHelper.java	2017-02-14 14:25:49.196252500 +0300
+++ new/jaxws/src/java.xml.ws/share/classes/com/sun/xml/internal/ws/api/pipe/ThreadHelper.java	2017-02-14 14:25:49.100251886 +0300
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2017, 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
@@ -68,9 +68,7 @@
                             Class<?> cls = Class.forName(SAFE_THREAD_NAME);
                             Constructor<?> ctr = cls.getConstructor(Runnable.class);
                             return new SunMiscThreadFactory(ctr);
-                        } catch (ClassNotFoundException ignored) {
-                        } catch (NoSuchMethodException ignored) {
-                        }
+                        } catch (ClassNotFoundException | NoSuchMethodException ignored) {}
                         return new LegacyThreadFactory();
                     }
                 }
@@ -90,7 +88,9 @@
             try {
                 return ctr.newInstance(null, r, "toBeReplaced", 0, false);
             } catch (ReflectiveOperationException x) {
-                throw new InternalError(x);
+                InternalError ie = new InternalError(x.getMessage());
+                ie.initCause(ie);
+                throw ie;
             }
         }
     }
@@ -99,7 +99,7 @@
     private static class SunMiscThreadFactory implements ThreadFactory {
         final Constructor<?> ctr;
         SunMiscThreadFactory(Constructor<?> ctr) { this.ctr = ctr; }
-        @Override public Thread newThread(Runnable r) {
+        @Override public Thread newThread(final Runnable r) {
             return AccessController.doPrivileged(
                     new PrivilegedAction<Thread>() {
                         @Override