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https://issues.apache.org/jira/browse/STORM-1449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15097851#comment-15097851
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ASF GitHub Bot commented on STORM-1449:
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Github user priyank5485 commented on the pull request:
https://github.com/apache/storm/pull/994#issuecomment-171576791
Just ran in to an issue where this fix does not work. Correct me if i am
wrong. But a fat storm jar that is compiled with older version of storm-kafka
will still use byte[] and the newer version of storm now uses ByteBuffer. Hence
it throws an exception at runtime if storm is upgraded. I think upgrade of
storm should still work with older topology jars.
> Fix Kafka spout to maintain backward compatibility to pass byte[] instead of
> ByteBuffer
> ---------------------------------------------------------------------------------------
>
> Key: STORM-1449
> URL: https://issues.apache.org/jira/browse/STORM-1449
> Project: Apache Storm
> Issue Type: Bug
> Reporter: Arun Mahadevan
> Assignee: Arun Mahadevan
> Fix For: 1.0.0
>
>
> STORM-1220 introduced some changes where in one place it passes ByteBuffer as
> is instead of byte[]. Existing bolts that expects a byte[] fails due to this
> with "java.lang.RuntimeException: java.lang.ClassCastException:
> java.nio.HeapByteBuffer cannot be cast to [B "
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