APAR status
Closed as program error.
Error description
Error Message: The JVM crashes while writing a javacore dump. The stack trace from the crash shows a repeated set of signal handler frames. The javacore dump is truncated before the LOCKS section. . Stack Trace: #827 <signal handler called>#828 0x0000003750232625 in raise ()#829 0x0000003750233e05 in abort ()#830 0x00007f4f4a202e51 in masterSynchSignalHandler ()#831 <signal handler called>#832 0x00007f4f49c64f66 in abortHandler ()#833 <signal handler called>#834 0x0000003750232625 in raise ()#835 0x0000003750233e05 in abort ()#836 0x00007f4f4a202e51 in masterSynchSignalHandler ()#837 <signal handler called>#838 0x00007f4f4a5639d0 in structuredSignalHandler ()#839 0x00007f4f4a202dcf in masterSynchSignalHandler ()#840 <signal handler called>#841 0x00007f4f49c74969 in unwindAfterDump ()#842 0x00007f4f49c63c86 in runDumpAgent ()#843 0x00007f4f49c753f2 in triggerDumpAgents ()#844 0x00007f4f4856f871 in sigQuitHandler ()#845 0x00007f4f4a20357f in j9sig_protect ()#846 0x00007f4f4856f7b8 in sigQuitWrapper ()#847 0x00007f4f4a20275e in asynchSignalReporter ()#848 0x00007f4f4a43e9f9 in thread_wrapper ()#849 0x00000037506079d1 in start_thread () . The Java application is running a large number of threads, typically around 10,000.
Local fix
Problem summary
The problem is caused when the JVM is obtaining memory on the native stack used to format the javacore LOCK section.
Problem conclusion
The JVM has been updated to prevent the crash from occuring when there are a large number of threads. . This APAR will be fixed in the following Java Releases: 7 SR9 (7.0.9.0) 7 R1 SR3 (7.1.3.0) 6 R1 SR8 FP4 (6.1.8.4) 8 SR1 (8.0.1.0) . Contact your IBM Product's Service Team for these Service Refreshes and Fix Packs. For those running stand-alone, information about the Service Refreshes and Fix Packs can be found at: https://www.ibm.com/developerworks/java/jdk/
Temporary fix
Comments
APAR Information
APAR number
IV71535
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
260
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2015-03-26
Closed date
2015-03-26
Last modified date
2015-03-26
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
IV71536
Fix information
Fixed component name
J9 COMMON CODE
Fixed component ID
620700127
Applicable component levels
R260 PSY
UP
R270 PSY
UP
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Document Information
Modified date:
21 February 2022