PH08185: LIBERTY SERVER START HANGS ON "CWWKZ0018I: STARTING APPLICATION"WHEN THREAD POOL MAX SIZE IS SET

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• The Liberty server hangs during startup when the
  configuration contains one or more eba applications which
  depend on a bundle repository, and the default executor
  thread pool has been configured with a maximum threads
  setting as follows: <executor maxThreads="xx"/>
  The last line in the server log is typically as follows,
  with xxx being replace by a valid application name:
  CWWKZ0018I: Starting application xxx
  KIXREVACC
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All CICS users.                              *
  ****************************************************************
  * PROBLEM DESCRIPTION: A Liberty JVMSERVER hangs whilst being  *
  *                      enabled.                                *
  ****************************************************************
  A Liberty JVMSERVER is installed into CICS along with a large
  number (approximately 200 in the reported case) of EBA
  applications.  During installation of these applications a
  deadlock occurs between threads causing Liberty to hang.
  Prior to the hang many "CWWKZ0018I: STARTING APPLICATION"
  messages are written to messages.log.
  The JVM stacks for all the T8 threads show they are WAITING.
  

Problem conclusion

• The embedded version of Liberty has been upgraded to 19.0.0.3
  which includes the fix for Liberty APAR PH07896.
  

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:

Modules/Macros

• DFHWLPAX
  

Fix information

• Fixed component name

  CICS TS Z/OS V5

• Fixed component ID

  5655Y0400

Applicable component levels

• R00L PSY UI63158

     UP19/05/23 P F905

• R10L PSY UI63156

     UP19/05/23 P F905

• R20L PSY UI63160

     UP19/05/23 P F905

• R80L PSY UI63152

     UP19/05/24 P F905

• R90L PSY UI63154

     UP19/05/29 P F905

Fix is available

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