Java crashes in HeapDumper
Issue
- On Oracle/Sun JDK 1.6 :
Our JVM crashed in libjvm's HeapDumper when creating a heap dump:
Stack: [0x00007fb3bc1c7000,0x00007fb3bc2c8000], sp=0x00007fb3bc2c6960, free space=1022k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x496e2a] HeapObjectDumper::do_object(oopDesc*)+0x4a
V [libjvm.so+0x6e332f] MutableSpace::object_iterate(ObjectClosure*)+0x2f
V [libjvm.so+0x768101] PSYoungGen::object_iterate(ObjectClosure*)+0x21
V [libjvm.so+0x726cce] ParallelScavengeHeap::object_iterate(ObjectClosure*)+0x1e
V [libjvm.so+0x72768d] ParallelScavengeHeap::safe_object_iterate(ObjectClosure*)+0xd
V [libjvm.so+0x497c11] VM_HeapDumper::doit()+0x1d1
V [libjvm.so+0x870a2a] VM_Operation::evaluate()+0x4a
V [libjvm.so+0x86fff2] VMThread::evaluate_operation(VM_Operation*)+0x82
V [libjvm.so+0x870268] VMThread::loop()+0x198
V [libjvm.so+0x86fd6e] VMThread::run()+0x6e
V [libjvm.so+0x712eef] java_start(Thread*)+0x13f
- On Oracle/Sun JDK 1.8.0_144-b01 stacktrace as
Stack: [0x00007f02973f4000,0x00007f02974f5000], sp=0x00007f02974f3880, free space=1022k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x6960db] java_lang_Class::signers(oopDesc*)+0x1b
V [libjvm.so+0x622c4a] DumperSupport::dump_class_and_array_classes(DumpWriter*, Klass*)+0xba
V [libjvm.so+0x46b856] ClassLoaderDataGraph::classes_do(void (*)(Klass*))+0x36
V [libjvm.so+0x624f29] VM_HeapDumper::doit()+0x239
V [libjvm.so+0xad4685] VM_Operation::evaluate()+0x55
V [libjvm.so+0xad2a5a] VMThread::evaluate_operation(VM_Operation*)+0xba
V [libjvm.so+0xad2dde] VMThread::loop()+0x1ce
V [libjvm.so+0xad3250] VMThread::run()+0x70
V [libjvm.so+0x92a338] java_start(Thread*)+0x108
VM_Operation (0x00007f0162a74460): HeapDumper, mode: safepoint, requested by thread 0x00007f01fcd5a000
Environment
- Oracle/Sun JDK
- 1.6
- 1.8.0_144
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