[GitHub] [camel-kafka-connector] Jelibo opened a new issue #1332: CameHeader value is wrongly interpreted as BigDecimal and causes ClassCastException

[GitBox]

Jelibo opened a new issue #1332:
URL: https://github.com/apache/camel-kafka-connector/issues/1332


   using `camel-kafka-connector 0.9.0`
   using sink connector `CamelAws2s3SinkConnector`
   
   Kafka header `CamelHeader.Id: l1kt74gl9w00` is logged as:
   `ConnectHeader(key=CamelHeader.Id, value= l1kt74gl9w00, 
schema=Schema{STRING})`
   
   Kafka header `CamelHeader.Id: 69203120e780` is logged as:
   `ConnectHeader(key=CamelHeader.Id, value=6.9203120E+787, 
schema=Schema{org.apache.kafka.connect.data.Decimal:BYTES})`
   
   causing the task to fail:
   
   ```
   org.apache.kafka.connect.errors.ConnectException: Exiting WorkerSinkTask due 
to unrecoverable exception.
        at 
org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:614)
        at 
org.apache.kafka.connect.runtime.WorkerSinkTask.poll(WorkerSinkTask.java:329)
        at 
org.apache.kafka.connect.runtime.WorkerSinkTask.iteration(WorkerSinkTask.java:232)
        at 
org.apache.kafka.connect.runtime.WorkerSinkTask.execute(WorkerSinkTask.java:201)
        at 
org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:189)
        at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:238)
        at 
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
        at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
        at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
        at java.base/java.lang.Thread.run(Thread.java:829)
   Caused by: java.lang.ClassCastException
   ```
   ```
   Caused by: java.lang.ClassCastException: class java.math.BigDecimal cannot 
be cast to class [B (java.math.BigDecimal and [B are in module java.base of 
loader 'bootstrap')
        at 
org.apache.camel.kafkaconnector.CamelSinkTask.mapHeader(CamelSinkTask.java:233)
        at 
org.apache.camel.kafkaconnector.CamelSinkTask.put(CamelSinkTask.java:184)
        at 
org.apache.kafka.connect.runtime.WorkerSinkTask.deliverMessages(WorkerSinkTask.java:586)
        ... 10 more
   ```


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