My Bamboo fails about once a week. When it fails, there is no high load. The Java process of Bamboo just disappears. The respective files hs_err_pid*.log show that failures are in java.math.BigInteger.montReduce and the then-current threads have "sshd-SshClient" in the beginning of their names.
The typical beginning of one of such files hs_err_pid*.log looks like the text below:
# # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb) at pc=0x00007f4d7c4d2d6f, pid=13712, tid=139968149939968 # # JRE version: Java(TM) SE Runtime Environment (8.0_51-b16) (build 1.8.0_51-b16) # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.51-b03 mixed mode linux-amd64 compressed oops) # Problematic frame: # J 49943 C2 java.math.BigInteger.montReduce([I[III)[I (99 bytes) @ 0x00007f4d7c4d2d6f [0x00007f4d7c4d2960+0x40f] # # Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again # # If you would like to submit a bug report, please visit: # http://bugreport.java.com/bugreport/crash.jsp # --------------- T H R E A D --------------- Current thread (0x00007f4d1c094000): JavaThread "sshd-SshClient[5d2748ee]-nio2-thread-5" [_thread_in_Java, id=14454, stack(0x00007f4cdfcb6000,0x00007f4cdfdb7000)
Thank you if you answer.
Maybe a bit late, but please take a look at this new knowledge base article: https://confluence.atlassian.com/bamkb/bamboo-server-crashes-due-to-segmentation-fault-on-biginteger-methods-855542560.html
I'm John Allspaw, co-founder of Adaptive Capacity Labs, where we help teams use their incidents to learn and improve. We bring research-driven methods and approaches to drive effective inciden...
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