PH23168: NULLPOINTEREXCEPTION WITH SHOWPOOLCONTENTS

APAR status

• Closed as program error.

Error description

• We get NullPointerException when we run showPoolContents
  command in WAS 9.0.5.1 and 9.0.5.2.
  
  -----
  Unexpected error
  when getting PoolManager. CFKey: cells/Cell01/nodes/Node01/serve
  rs/server1/resources.xml#DataSource_1xxxxxxxx2.
  Exception:
  java.lang.NullPointerException
  	at com.ibm.ejs.j2c.mb
  eans.ConnectionFactoryMbeanImpl.getPoolManager(ConnectionFactory
  MbeanImpl.java:440)
  	at com.ibm.ejs.j2c.mbeans.ConnectionFactory
  MbeanImpl.getPoolManager(ConnectionFactoryMbeanImpl.java:424)
  	a
  t com.ibm.ejs.j2c.mbeans.ConnectionFactoryMbeanImpl.showPoolCont
  ents(ConnectionFactoryMbeanImpl.java:340)
  	at
  sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  	at
  sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor
  Impl.java:90)
  	at sun.reflect.DelegatingMethodAccessorImpl.invok
  e(DelegatingMethodAccessorImpl.java:55)
  	at
  java.lang.reflect.Method.invoke(Method.java:508)
  	at
  sun.reflect.misc.Trampoline.invoke(MethodUtil.java:83)
  	at
  sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  	at
  sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor
  Impl.java:90)
  
  ...
  
  	at com.ibm.ws.http.HttpConnection.readAndHa
  ndleRequest(HttpConnection.java:733)
  	at
  com.ibm.ws.http.HttpConnection.run(HttpConnection.java:522)
  	at
  com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1909)
  
  The
  ConnectionPool for jdbc/xxx was null. The ConnectionPool will
  be created when the first connection request is processed if
  connections have been created in the pool, an internal error
  has occurred.
  
  But it is not occur in 9.0.5.0 and earlier
  version.
  

Local fix

• N/A
  

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server using mbean showAllPoolContents      *
  ****************************************************************
  * PROBLEM DESCRIPTION: Null pointer exception can occur when   *
  *                      ussing mbean showAllPoolContents for    *
  *                      connectioon pools that have not been    *
  *                      used.                                   *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  The follow error may occur when using showAllPoolContents.
  java.lang.NullPointerException
  at com.ibm.ejs.j2c.mb
  eans.ConnectionFactoryMbeanImpl.getPoolManager(ConnectionFactory
  MbeanImpl.java:440)
  

Problem conclusion

• The null pointer exception will not occur when using
  mbean showAllPoolConetents.
  
  The fix for this APAR is targeted for inclusion in fix pack
  8.5.5.18 and 9.0.5.5. For more information, see 'Recommended
  Updates
  for
  WebSphere Application Server':
  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

  WEBS APP SERV N

• Fixed component ID

  5724H8800

Applicable component levels

• R850 PSY

     UP

• R900 PSY

     UP