This bug is probably related to 6263966.

Test

com/sun/jdi/ClassesByName2Test.java

failed during JDK7 b110 promotion testing on Windows with:

com.sun.jdi.VMDisconnectedException
at com.sun.tools.jdi.TargetVM.waitForReply(TargetVM.java:304)
at com.sun.tools.jdi.VirtualMachineImpl.waitForTargetReply(VirtualMachineImpl.java:1036)
at com.sun.tools.jdi.PacketStream.waitForReply(PacketStream.java:69)
at com.sun.tools.jdi.JDWP$ReferenceType$SourceDebugExtension.waitForReply(JDWP.java:2570)
at com.sun.tools.jdi.JDWP$ReferenceType$SourceDebugExtension.process(JDWP.java:2551)
at com.sun.tools.jdi.ReferenceTypeImpl.sourceDebugExtensionInfo(ReferenceTypeImpl.java:791)
at com.sun.tools.jdi.ReferenceTypeImpl.stratum(ReferenceTypeImpl.java:689)
at com.sun.tools.jdi.LocationImpl.lineNumber(LocationImpl.java:213)
at com.sun.tools.jdi.LocationImpl.lineNumber(LocationImpl.java:209)
at com.sun.tools.jdi.LocationImpl.toString(LocationImpl.java:221)
at com.sun.tools.jdi.EventSetImpl$LocatableEventImpl.toString(EventSetImpl.java:211)
at java.lang.String.valueOf(String.java:2902)
at java.lang.StringBuilder.append(StringBuilder.java:128)
at ClassesByName2Test.breakpointReached(ClassesByName2Test.java:108)
at TestScaffold$EventHandler.notifyEvent(TestScaffold.java:191)
at TestScaffold$EventHandler.run(TestScaffold.java:275)
at java.lang.Thread.run(Thread.java:729)
java.lang.Exception: ClassesByName2Test: failed
at ClassesByName2Test.runTests(ClassesByName2Test.java:185)
at TestScaffold.startTests(TestScaffold.java:429)
at ClassesByName2Test.main(ClassesByName2Test.java:117)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:613)
at com.sun.javatest.regtest.MainWrapper$MainThread.run(MainWrapper.java:94)
at java.lang.Thread.run(Thread.java:729)