PH30623: FIX NULL POINTER WHEN CUSTOMER SCHEDULER IS USED

APAR status

• Closed as program error.

Error description

• [10/16/20 4:49:20:229 PDT] 00000064 SystemOut     O   FATAL
  2020-10-16 04:49:20,228 - java.lang.NullPointerException
  java.lang.NullPointerException
  at
  com.ibm.ejs.j2c.ConnectionManager.allocateMCWrapper(ConnectionMa
  nager.java:1582)
  at
  com.ibm.ejs.j2c.ConnectionManager.allocateConnection(ConnectionM
  anager.java:1033)
  at
  com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcD
  ataSource.java:646)
  at
  com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcD
  ataSource.java:613)
  at
  org.example.getPoolConnection(DBCommunicato
  r.java:222)
  ...
  at java.lang.reflect.Method.invoke(Method.java:508)
  at
  org.example.SchedulerMethodJob.execute(Schedule
  rMethodJob.java:107)
  at
  org.example.SchedulerJob.run(SchedulerJob.java:
  148)
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:  All users of IBM WebSphere Application      *
  *                  Server using custom scheduler job.          *
  ****************************************************************
  * PROBLEM DESCRIPTION: Null point can sometimes occur with     *
  *                      custom scheduler.                       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  Null point can occur here,  java.lang.NullPointerException
  java.lang.NullPointerException
  at
  com.ibm.ejs.j2c.ConnectionManager.allocateMCWrapper(ConnectionMa
  nager.java:1582)
  at
  com.ibm.ejs.j2c.ConnectionManager.allocateConnection(ConnectionM
  anager.java:1033)
  at
  com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcD
  ataSource.java:646)
  at
  com.ibm.ws.rsadapter.jdbc.WSJdbcDataSource.getConnection(WSJdbcD
  ataSource.java:613)
  at
  org.example.getPoolConnection(DBCommunicator.java:123)
  ...
  at java.lang.reflect.Method.invoke(Method.java:508)
  at
  org.example.SchedulerMethodJob.execute
  

Problem conclusion

• Null point has been fixed and will not occur in this area of
  the code
  
  The fix for this APAR is targeted for inclusion in fix pack
  8.5.5.21 and 9.0.5.11. For more information, see 'Recommended
  Updates for WebSphere Application Server':
  https://www.ibm.com/support/pages/node/715553
  

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

  WEBSPHERE APP S

• Fixed component ID

  5724J0800

Applicable component levels

• R900 PSY

     UP