Closed as program error.
Error Message: N/A . Stack Trace: 19 CELQHROD +00000258 CELQLIB CELQHROD 20 GC_VMThreadMonitorRecordSlotIterator::nextSlot() +0000000E *PATHNAM 21 GC_VMThreadIterator::nextSlot() +00000094 *PATHNAM 22 MM_RootScanner::scanOneThread(MM_EnvironmentModron*,J9VMThre +000000E6 *PATHNAM 23 MM_RootScanner::scanThreads(MM_EnvironmentModron*) +000000F0 *PATHNAM 24 MM_RootScanner::scanRoots(MM_EnvironmentModron*) +00000314 *PATHNAM 25 MM_MarkingScheme::markLiveObjectsRoots(MM_EnvironmentStandar +000009D8 *PATHNAM 26 MM_ParallelMarkTask::run(MM_EnvironmentModron*) +00000062 *PATHNAM 27 MM_ParallelDispatcher::slaveEntryPoint(MM_EnvironmentModron* +000000E8 *PATHNAM 28 dispatcher_thread_proc2(J9PortLibrary*,void*) +0000013A *PATHNAM 29 j9sig_protect +0000076E *PATHNAM 30 dispatcher_thread_proc +00000058 *PATHNAM 31 thread_wrapper +00000562 *PATHNAM .
The problem is caused by the JIT compiler failing to register certain entries and exits from synchronized blocks in certain cases when a debugger is attached. This problem will show up only on Linux on Z and zOS platforms.
This defect will be fixed in: 6.0.1 SR1 7.0.0 SR1 . The JVM has has been updated to prevent the crash from occurring. . To obtain the fix: Install build 20110825 or later
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