JR64790: YOU SEE BLOCKED THREADS AT COM/IBM/WS/BO/BOEXTENDEDMETADATA.CONTAINSPACKAGE

workflow.2202.delta.repository
8.6.20020002-WS-BPM-IFJR64790

APAR status

• Closed as fixed if next.

Error description

• If your IBM Business Automation Workflow Server is running a
  heavy load or if your application uses BOFactory.create() or
  BOFactory.createByType() to create large number of Business
  Objects in parallel, you might see threads blocked on
  com/ibm/ws/bo/BOExtendedMetaData.containsPackage() as below:
  
  3XMTHREADINFO      "Default : 6" J9VMThread:0x000000000B199300,
  omrthread_t:0x00007FF23C042EE0,
  java/lang/Thread:0x0000000047B34010, state:B, prio=5
  3XMJAVALTHREAD            (java/lang/Thread getId:0x177,
  isDaemon:true)
  3XMTHREADINFO1            (native thread ID:0xA44, native
  priority:0x5, native policy:UNKNOWN, vmstate:B, vm thread
  flags:0x00000281)
  3XMTHREADINFO2            (native stack address range
  from:0x00007FF14BBF5000, to:0x00007FF14BC35000, size:0x40000)
  3XMCPUTIME               CPU usage total: 42.684442233 secs,
  current category="Application"
  3XMTHREADBLOCK     Blocked on:
  java/util/ArrayList@0x000000005A5A3350 Owned by: "Default : 1"
  (J9VMThread:0x00000000090EA500,
  java/lang/Thread:0x0000000047B33CC8)
  3XMHEAPALLOC             Heap bytes allocated since last GC
  cycle=9446584 (0x9024B8)
  3XMTHREADINFO3           Java callstack:
  4XESTACKTRACE                at
  com/ibm/ws/bo/BOExtendedMetaData.containsPackage(BOExtendedMetaD
  ata.java:91(Compiled Code))
  4XESTACKTRACE                at
  com/ibm/ws/bo/BOModelHolder.getEPackage(BOModelHolder.java:297(C
  ompiled Code))
  4XESTACKTRACE                at
  com/ibm/ws/bo/BOModelHolder.getEClassifier(BOModelHolder.java:39
  8(Compiled Code))
  4XESTACKTRACE                at
  com/ibm/ws/bo/service/BOTypeImpl.getType(BOTypeImpl.java:69(Comp
  iled Code))
  4XESTACKTRACE                at
  com/ibm/ws/bo/delegate/BOTypeDelegate.getType(BOTypeDelegate.jav
  a:44(Compiled Code))
  
  
  
  PRODUCTS AFFECTED
  IBM Business Automation Workflow
  

Local fix

Problem summary

• A number of threads gets blocked in method
  com/ibm/ws/bo/BOExtendedMetaData.containsPackage due to an
  incorrect synchronization in it.
  

Problem conclusion

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

Applicable component levels