Re: [libvirt] [libvirt-users] JVM crashes during GC

On 4/17/19 10:24 AM, Sachin Soman wrote: > Hi, > > Could you tell me if the following is some known issue? > > While performing the following simple test, I see my JVM crashing > (consistently): > 1. Open a connection to an ESXi driver/host (passing ConnectAuthDefault > instance). > 2. Close the connection. > 3. Invoke GC > > When GC is triggered, at some point, some unallocated native memory is > being tried to release. That's failing. > > The error thrown is: > > java(78745,0x70000241e000) malloc: *** error for object 0x7fd5df561390: > pointer being freed was not allocated > > *** set a breakpoint in malloc_error_break to debug > > > Frames from core dump: > > frame #0: 0x00007fff5b274b66 libsystem_kernel.dylib`__pthread_kill + 10 > > frame #1: 0x00007fff5b43f080 libsystem_pthread.dylib`pthread_kill + 333 > > frame #2: 0x00007fff5b1d01ae libsystem_c.dylib`abort + 127 > > frame #3: 0x00007fff5b2ce8a6 libsystem_malloc.dylib`free + 521 > > frame #4: 0x00000001127f43a7 > > frame #5: 0x00000001127e3ffd > > frame #6: 0x00000001127e3ffd > > frame #7: 0x00000001127e3ffd > > frame #8: 0x00000001127e3ffd > > frame #9: 0x00000001127e4042 > > frame #10: 0x00000001127e3ffd > > frame #11: 0x00000001127e3ffd > > frame #12: 0x00000001127dc4e7 > > frame #13: 0x000000010c0e235e > libjvm.dylib`JavaCalls::call_helper(JavaValue*, methodHandle*, > JavaCallArguments*, Thread*) + 1710 > > frame #14: 0x000000010c0e2b02 > libjvm.dylib`JavaCalls::call_virtual(JavaValue*, KlassHandle, Symbol*, > Symbol*, JavaCallArguments*, Thread*) + 356 > > frame #15: 0x000000010c0e2cae > libjvm.dylib`JavaCalls::call_virtual(JavaValue*, Handle, KlassHandle, > Symbol*, Symbol*, Thread*) + 74 > > frame #16: 0x000000010c1208ee libjvm.dylib`thread_entry(JavaThread*, > Thread*) + 124 > > frame #17: 0x000000010c33e84d > libjvm.dylib`JavaThread::thread_main_inner() + 155 > > frame #18: 0x000000010c33ff12 libjvm.dylib`JavaThread::run() + 448 > > frame #19: 0x000000010c26058a libjvm.dylib`java_start(Thread*) + 246 > > frame #20: 0x00007fff5b43c661 libsystem_pthread.dylib`_pthread_body + > 340 > > frame #21: 0x00007fff5b43c50d libsystem_pthread.dylib`_pthread_start + > 377 > > frame #22: 0x00007fff5b43bbf9 libsystem_pthread.dylib`thread_start + 13 > > > I have installed Libvirt 5.2.0. > Java bindings libvirt-java 0.5.1 > JNA 4.0.0 > Tested Java environments: Oracle Java 8 and OpenJDK 8 on MAC, OpenJDK 11 on > Ubuntu 16 The backtrace does not suggest it's libvirt related, but I wouldn't be surprised if our Java bindings mangled memory somewhere. They are heavily unmaintained.