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MF60234 - JVA-RUN-WAIT JVM JOBS GO INTO THREADWAIT AND NEVER EXIT

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

JVA-RUN-WAIT JVM JOBS GO INTO THREADWAIT AND NEVER EXIT


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED      PTF/FIX  LEVEL

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
NONE



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-------
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APAR Error Description / Circumvention

-----------------------------------------------
Application hangs: Threads show in Thread Wait status.

Ending and restarting the app, allows the application to
function (intermittent failure)

VLOG shows the error is Jvm_Fail in most cases.

In this case there was a RPG job (also a JVM job). Its primary
task now is calling MATTHSTK which makes jvmti requests to
retrieve stack information of itself.

CORRECTION FOR APAR MA44652 :
-----------------------------
Changed to make sure JVM request message which suspend thread
received and delivered correctly.

CIRCUMVENTION FOR APAR MA44652 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS IS A DELAYED PTF TO BE APPLIED AT IPL TIME.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF58977      JVA-OTHER-UNPRED WRKJVMJOB fails for DB2 reuse JOB JVM
   MF54922      JVA-OTHER-UNPRED JAVA *DEBUG HANGS
   MF52959      OSP-WAIT Tool thread from JVM failed to end.
   MF52959      JVA-RUN Slic error causes WrkJvmJob can not show java lock
   MF48679      JVA-RUN  Remove set of DSCR prefetch by JVM end
   MF47899      JVA-RUN 4300 06C0 Vlogs precede JVM termination

Summary Information

System..............................i
Models..............................
Release.............................V7R1M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA44652
Superseded by:......................
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C5317710


System i Support

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Document Information

Modified date:
24 June 2015