JR64599: TCC APPLICATION FAILS : INVALID WRITER SCHEMA VERSION 2

APAR status

• Closed as program error.

Error description

• Running sampleapplications.AvroConsole with IIDR/CDC fails with:
  
  
  Feb 08, 2022 9:26:51 AM
  com.ibm.replication.engine.PipelineStopRequestState
  requestAbortStop
  SEVERE: Caught exception: Abort with non-recoverable error.
  java.lang.Exception: Abort with non-recoverable error.
         at com.ibm.replication.engine.PipelineStopRequestState.r
  equestAbortStop(PipelineStopRequestState.java:134)
         at com.datamirror.ts.kafka.txconsistentconsumer.pipeline
  .ProgressStreamReaderJob.execute(ProgressStreamReaderJob.java:1
  04)
         at com.ibm.replication.engine.component.PipelineThread.r
  unThread(PipelineThread.java:217)
         at
  com.ibm.replication.engine.TsThread.run(TsThread.java:130)
  
  com.datamirror.ts.kafka.txconsistentconsumer.TxConsistentConsum
  erException:Transactionally consistent consumer pipeline has bee
         at com.datamirror.ts.kafka.txconsistentconsumer.api.TxCo
  nsistentConsumerImpl.poll(TxConsistentConsumerImpl.java:121)
         at com.datamirror.ts.kafka.txconsistentconsumer.sampleap
  plications.AvroConsole.consume(AvroConsole.java:200)
         at com.datamirror.ts.kafka.txconsistentconsumer.sampleap
  plications.AvroConsole.main(AvroConsole.java:586)
  Caused by:
  org.apache.kafka.common.errors.SerializationException: Invalid
  writer schema version 2
  Feb 08, 2022 9:26:52 AM com.datamirror.ts.kafka.txconsistentcon
  sumer.pipeline.TxConsistentConsumerJobexecute
  
  CDC releases tested which are impacted with above: 5616, 5618,
  5622
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * This issue might affect you if you are using IDR             *
  * 11.4.0.4-5622 or older for Kafka.                            *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * The transactionally consistent consumer is unable to read    *
  * the Kafka commit stream.                                     *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to IDR 11.4.0.4-5625 or newer for Kafka.             *
  ****************************************************************
  

Problem conclusion

• Upgrading to IDR 11.4.0.4-5625 or newer for Kafka resolves the
  issue.
  

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

  IDR KAFKA

• Fixed component ID

  5725E30KA

Applicable component levels