PH39935: CWWKE0701E AT LIBERTY STARTUP REPORTS A CONCURRENTMODIFICATIONEXCEPTION IN THE APIPROVIDERAGGREGATOR CLASS

APAR status

• Closed as program error.

Error description

• At Liberty startup, the following error was observed:
  [ERROR   ] CWWKE0701E: bundle
  com.ibm.ws.rest.api.discovery:1.0.44.cl200920200820-0913
  (129)[com.ibm.ws.rest.api.discovery.APIProviderAggregator(37
  2)]
  : The setServerStartedPhase2 method has thrown an exception
  java.util.ConcurrentModificationException
  
  This did not result in any obvious functional issues to the
  server.
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server Liberty - Liberty Systems            *
  *                  Management                                  *
  ****************************************************************
  * PROBLEM DESCRIPTION: ConcurrentModificationException during  *
  *                      application scan in API Discovery       *
  *                      feature                                 *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  ConcurrentModificationException during application scan in API
  Discovery feature (APIProviderAggregator class) can happen when
  scanning starting applications for Swagger documents or
  annotations.
  

Problem conclusion

• The code was updated to prevent ConcurrentModificationException
  to occur
  
  The fix for this APAR is currently targeted for inclusion in fix
  pack 21.0.0.10.  Please refer to the Recommended Updates page
  for delivery information:
  http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
  

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

• Fixed component name

  LIBERTY PROF -

• Fixed component ID

  5655W6514

Applicable component levels