--- old/src/java.desktop/windows/native/libawt/windows/awt_new.cpp	2015-04-15 16:58:52.658222000 +0300
+++ new/src/java.desktop/windows/native/libawt/windows/awt_new.cpp	2015-04-15 16:58:52.151222000 +0300
@@ -172,6 +172,9 @@
             env->ExceptionClear();
             // rethrow exception
             env->Throw(xcp);
+            // temp solution to reveal all concurrency issues in jtreg and JCK
+            // we will switch it back to silent mode before the release
+            env->ExceptionDescribe();
             return xcp;
         }
     }