JR63651: NULLPOINTEREXCEPTION PREVENTS BUSINESS EVENTS FROM BEING EMITTED

workflow.2102.delta.repository

APAR status

• Closed as program error.

Error description

• The following exception occurs when the runtime emits a Business
  event containing null data:
  
  BusinessEvent E
  com.ibm.bpm.bui.emitter.event.BusinessEventGenerator
  generateEvent Error while building bpmn business event.
  java.lang.NullPointerException: value must not be null at
  org.apache.johnzon.core.JsonStringImpl.(JsonStringImpl.java:32)
  at
  org.apache.johnzon.core.JsonObjectBuilderImpl.add(JsonObjectBuil
  derImpl.java:43)
  at
  com.ibm.bpm.bui.emitter.event.BusinessEventGenerator.handleData(
  BusinessEventGenerator.java:452)
  at
  com.ibm.bpm.bui.emitter.event.BusinessEventGenerator.generateEve
  nt(BusinessEventGenerator.java:275)
  at
  com.lombardisoftware.server.monitor.MonitorEventJSONWriter.forma
  t(MonitorEventJSONWriter.java:156)
  at
  com.lombardisoftware.server.monitor.MonitorEventJSONWriter.forma
  t(MonitorEventJSONWriter.java:45)
  at
  com.ibm.bpm.def.wle.formatter.WleJsonFormatter.format(WleJsonFor
  matter.java:42)
  at
  com.ibm.bpm.def.wle.formatter.WleJsonFormatter.format(WleJsonFor
  matter.java:10)
  at
  com.ibm.bpm.def.impl.EventPointImpl.createSerializedDefEvent(Eve
  ntPointImpl.java:158)
  at
  com.ibm.bpm.def.impl.EventPointImpl.access$100(EventPointImpl.ja
  va:44)
  at
  com.ibm.bpm.def.impl.EventPointImpl$1.run(EventPointImpl.java:19
  0)
  at
  com.ibm.ws.uow.embeddable.EmbeddableUOWManagerImpl.runUnderCurre
  ntUOW(EmbeddableUOWManagerImpl.java:987)
  at
  com.ibm.ws.uow.embeddable.EmbeddableUOWManagerImpl.runUnderUOW(E
  mbeddableUOWManagerImpl.java:374)
  at
  com.ibm.bpm.def.impl.EventPointImpl.fire(EventPointImpl.java:214
  )
  

Local fix

• Set the JVM property "-DuseBAIBridgeEvents=true" on all the
  Application cluster members and restart the cluster.
  

Problem summary

• A NullPointerException prevents Business events to be emitted
  by the runtime when they contain null data.
  

Problem conclusion

• A fix is available or will be available that ensures the
  business events are emitted without exception.
  

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

  BUS AUTO WORKFL

• Fixed component ID

  5737H4100

Applicable component levels