PM86895: JAVA.LANG.NOCLASSDEFFOUNDERROR FOR JAVAX.WS.RS.CORE.APPLICATION

APAR status

• Closed as program error.

Error description

• Running with Liberty Profile at 8.5.0.1, JAX-RS service
  packaged in an enterprise bundle archive (EBA) fails when HTTP
  methods invoked with
  "java.lang.NoClassDefFoundError: javax.ws.rs.core.Application"
  
  if jaxrs-1.1 feature is added to server.xml
  after Liberty server has already been started.
  
  The application works correctly if the server is restarted or
  or if the jaxrs-1.1 feature is added to server.xml before
  starting the server.
  The problem is cross operating system (it was first observed on
  z/OS and reproduced on Microsoft Windows), this is an
  operating sytem independant classloading issue.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server Liberty Profile using JAX-RS within  *
  *                  an OSGi application.                        *
  ****************************************************************
  * PROBLEM DESCRIPTION: NoClassDefFoundError for                *
  *                      javax.ws.rs.core.application            *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Adding the jaxrs-1.1 feature after server start and deploying
  an application can result in a NoClassDefFoundError for
  javax.ws.rs.core.application.
  

Problem conclusion

• The problem was due to a problem in the Equinox
  composite-based Apache Aries application runtime. This code
  path is no longer used as OSGi applications are now running on
  a subsystems runtime.
  
  The fix for this APAR is currently targeted for inclusion in
  fix pack 8.5.5.0. Please refer to the Recommended Updates page
  for delivery information:
  http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
  

Temporary fix

• Add the jaxrs-1.1 feature to your server.xml before server
  start.
  

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 PROFILE

• Fixed component ID

  5724J0814

Applicable component levels

• R850 PSY

     UP