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https://issues.apache.org/jira/browse/CAMEL-12573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16509774#comment-16509774
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ASF GitHub Bot commented on CAMEL-12573:
----------------------------------------
akhettar opened a new pull request #2372: CAMEL-12573: Fixing class cast
exception
URL: https://github.com/apache/camel/pull/2372
I have introduced a generic method which extracts the values of the
`Partition` and the `Offset` from the Exchange headers according to their
corresponding types.
Here is the Jira ticket for
it.https://issues.apache.org/jira/browse/CAMEL-12573
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> ClassCastException thrown KafkaSpanDecorator
> --------------------------------------------
>
> Key: CAMEL-12573
> URL: https://issues.apache.org/jira/browse/CAMEL-12573
> Project: Camel
> Issue Type: Bug
> Components: camel-opentracing
> Reporter: ayache khettar
> Priority: Major
>
> ClassCastException is thrown by `KafkaSpanDecorator` for the Partition and
> the Offset header values. The fix to this is to cast the partition to an
> Integer and the Offset to a Long. I have got a fix and I will raise a pull
> request shortly.
>
>
> {code:java}
> 2018-06-12 16:36:26.224 WARN 34820 --- [kaConsumer[ocr]]
> o.a.camel.opentracing.OpenTracingTracer : OpenTracing: Failed to capture
> tracing data
> java.lang.ClassCastException: java.lang.Integer cannot be cast to
> java.lang.String
> at
> org.apache.camel.opentracing.decorators.KafkaSpanDecorator.pre(KafkaSpanDecorator.java:61)
> ~[camel-opentracing-2.21.0.jar:2.21.0]
> at
> org.apache.camel.opentracing.OpenTracingTracer$OpenTracingRoutePolicy.onExchangeBegin(OpenTracingTracer.java:297)
> ~[camel-opentracing-2.21.0.jar:2.21.0]
> at
> org.apache.camel.processor.CamelInternalProcessor$RoutePolicyAdvice.before(CamelInternalProcessor.java:495)
> [camel-core-2.21.0.jar:2.21.0]
> at
> org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:149)
> [camel-core-2.21.0.jar:2.21.0]
> at
> org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:97)
> [camel-core-2.21.0.jar:2.21.0]
> at
> org.apache.camel.component.kafka.KafkaConsumer$KafkaFetchRecords.doRun(KafkaConsumer.java:295)
> [camel-kafka-2.21.0.jar:2.21.0]
> at
> org.apache.camel.component.kafka.KafkaConsumer$KafkaFetchRecords.run(KafkaConsumer.java:187)
> [camel-kafka-2.21.0.jar:2.21.0]
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> [na:1.8.0_151]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_151]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> [na:1.8.0_151]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> [na:1.8.0_151]
> at java.lang.Thread.run(Thread.java:748) [na:1.8.0_151]
> {code}{code}
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