PH66007: CWWKE0701E SWITCH_PTHREAD_CONTEXT FAILS WITH REASON USERID_NOT_MUTABLE

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• A request is sent to a Servlet in a Liberty JVMSERVER. CICS
  creates a task for the request and later tries to change the
  USERID the task is running under. This fails with CWWKE0701E in
  messages.log and standard error shows:
  
  [com.ibm.cics.wlp.security.zos] [CICSThreadIdentityServiceImpl]
  @Error: set() - *** SJJS SWITCH_PTHREAD_CONTEXT failed. ***
  com.ibm.cics.domains.DomainException: Class: Dfhsjjsj, function:
  SWITCH_PTHREAD_CONTEXT, response: EXCEPTION, reason:
  USERID_NOT_MUTABLE
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All CICS Users                               *
  ****************************************************************
  * PROBLEM DESCRIPTION: CWWKE0701E SWITCH_PTHREAD_CONTEXT       *
  *                      responds with USERID_NOT_MUTABLE when   *
  *                      an async servlet is called.             *
  ****************************************************************
  When sending a request to an async servlet in a Liberty
  JVMSERVER from a web application, CICS attempts to process this
  and set a USERID for the task to run under. This fails as the
  USERID is not currently mutable and so the following error can
  be observed in messages.log and STDERR:
  
  [com.ibm.cics.wlp.security.zos] [CICSThreadIdentityServiceImpl]
  @Error: set() - *** SJJS SWITCH_PTHREAD_CONTEXT failed. ***
  com.ibm.cics.domains.DomainException: Class: Dfhsjjsj, function:
  SWITCH_PTHREAD_CONTEXT, response: EXCEPTION, reason:
  USERID_NOT_MUTABLE
  

Problem conclusion

• CICS has been updated to ensure USERIDs are mutable when an
  async servlet from a Liberty JVMSERVER web application is called
  and initially processed.
  

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:

  UO02889

Modules/Macros

• DFJ@H387 DFJ@H639
  

Fix information

• Fixed component name

  CICS TS Z/OS V6

• Fixed component ID

  5655YA100

Applicable component levels

• R400 PSY UO02889

     UP25/04/23 P F504

Fix is available

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