Details
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Bug
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Resolution: Obsolete
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Major
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None
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3.4
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None
Description
We are seeing an OOM in our application where thread dump points to JGroup.
We see the below in thread dumps,
3XEHSTTYPE 07:33:24:346241000 GMT j9vm.294 - >setCurrentException index=11 constructorIndex=0 detailMessage=0000000000F61678
3XEHSTTYPE 07:33:24:346183000 GMT j9mm.126 - at 0000000050F8CD60 java/lang/Thread.run()V, jit 00007FCF323EA580, pc 00007FCF489E0A36
3XEHSTTYPE 07:33:24:346179000 GMT j9mm.126 - at 0000000053644748 *org/jgroups/blocks/TCPConnectionMap$TCPConnection$Receiver.run()*V, jit 0000000000000000, pc 00007FCF3354D334
3XEHSTTYPE 07:33:24:346175000 GMT j9mm.101 - J9AllocateIndexableObject() returning NULL! 1650814064 bytes requested for object of class 0000000050F79700 from memory space 'Generational' id=00007FCF440427C0
In the thread dump we also see
WARNING : OutOfMemoryError possibly caused by 1650814064 bytes requested for object of class 0000000050F79700 from memory space 'Generational' id=00007FCF440427C0
Java Heap Information
-Xmx (Maximum Java heap size) : 1280m
-Xms (Initial Java heap size) : 640m
-Xss (Maximum stack size for Java threads) : 256k
Total Java heap size: 1.25 GB
Used Java heap size: 174.27 MB
Free Java heap size: 1.08 GB
