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MA44652 - JVA-RUN-WAIT JVM JOBS GO INTO THREADWAIT AND NEVER EXIT

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 APAR (Authorized Program Analysis Report)

Abstract

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

Error Description

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.                          

Problem Summary

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.                          

Problem Conclusion

Changed to make sure JVM request message which suspend thread  
received and delivered correctly.                              

Temporary Fix

Comments

Circumvention


PTFs Available

R710 MF60234 PTF Cover Letter   5317

Affected Modules

         
         

Affected Publications

Summary Information

Status............................................ CLOSED PER
HIPER........................................... No
Component.................................. 9400DG300
Failing Module.......................... RCHMGR
Reported Release................... R710
Duplicate Of..............................




System i Support

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Document Information

Modified date:
26 May 2016