JR62381: POSSIBLE AUTHENTICATION ERROR IN WORKFLOW BPMN EMITTER WHEN SASL SCRAM IS USED

8.6.20020001-WS-BPM-IFJR62381

APAR status

• Closed as program error.

Error description

• The authentication of a Kafka User using SASL SCRAM fails with
  the following stack trace when the IBM Workflow BPMN Emitter and
  the IBM Workflow Case event emitter are both enabled and send
  events to IBM Business Automation Insights.
  
  java.util.concurrent.ExecutionException:
  org.apache.kafka.common.errors.SaslAuthenticationException: An
  error: (java.security.PrivilegedActionException:
  javax.security.sasl.SaslException: User name could not be
  obtained [Caused by
  javax.security.auth.callback.UnsupportedCallbackException:
  Unrecognized SASL ClientCallback]) occurred when evaluating SASL
   token received from the Kafka Broker. Kafka Client will go to
  AUTHENTICATION_FAILED state.
      at
  org.apache.kafka.clients.producer.KafkaProducer$FutureFailure.<i
  nit>(KafkaProducer.java:1150)
      at
  org.apache.kafka.clients.producer.KafkaProducer.doSend(KafkaProd
  ucer.java:846)
      at
  org.apache.kafka.clients.producer.KafkaProducer.send(KafkaProduc
  er.java:784)
      at
  com.ibm.dba.bai.events.kafka.Transport.send(Transport.java:234)
      at
  com.ibm.dba.bai.events.kafka.Transport.send(Transport.java:209)
      at
  com.ibm.dba.bai.events.icm.transport.kafka.OutputToKafkaTranspor
  t.sendEventNoRetrying(OutputToKafkaTransport.java:320)
      at
  com.ibm.dba.bai.events.icm.transport.kafka.OutputToKafkaTranspor
  t.sendEvent(OutputToKafkaTransport.java:303)
      at
  com.ibm.dba.bai.events.icm.transport.kafka.OutputToKafkaTranspor
  t.sendEvent(OutputToKafkaTransport.java:296)
      at
  com.ibm.dba.bai.events.icm.transport.kafka.OutputToKafkaTranspor
  t.sendEventsBatch(OutputToKafkaTransport.java:240)
      at
  com.ibm.dba.bai.events.icm.transport.kafka.OutputToKafkaTranspor
  t.sendEvents(OutputToKafkaTransport.java:226)
      at
  com.ibm.dba.bai.events.icm.transport.IcmBusinessEventOutputCompo
  site.sendEvents(IcmBusinessEventOutputComposite.java:62)
      at
  com.ibm.dba.bai.events.icm.IcmBusinessEventSdk.emit(IcmBusinessE
  ventSdk.java:154)
      at
  com.ibm.oi.icm.event.emitter.IcmOiEmitter.emitOutput(IcmOiEmitte
  r.java:167)
      at
  com.ibm.oi.icm.event.emitter.IcmOiEmitter.run(IcmOiEmitter.java:
  117)
  
  
  PRODUCTS AFFECTED
  IBM Business Automatin Workflow
  

Local fix

Problem summary

• No additional information is available.
  

Problem conclusion

• A fix is available or will be available that allows
  authentication by using SASL SCRAM for both the IBM Workflow
  BPMN emitter and the IBM Case emitter.
  

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