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https://issues.apache.org/jira/browse/SAMZA-1247?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15997296#comment-15997296
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ASF GitHub Bot commented on SAMZA-1247:
---------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/samza/pull/159
> MessageStreamImpl#merge shouldn't assume that the input collection is mutable
> -----------------------------------------------------------------------------
>
> Key: SAMZA-1247
> URL: https://issues.apache.org/jira/browse/SAMZA-1247
> Project: Samza
> Issue Type: Bug
> Reporter: Prateek Maheshwari
> Assignee: Prateek Maheshwari
> Fix For: 0.13.0
>
>
> {code}
> Exception in thread "main" org.apache.samza.SamzaException: Failed to run
> application
> at
> org.apache.samza.runtime.RemoteApplicationRunner.run(RemoteApplicationRunner.java:64)
> at
> org.apache.samza.runtime.ApplicationRunnerMain.main(ApplicationRunnerMain.java:67)
> Caused by: java.lang.UnsupportedOperationException
> at java.util.AbstractList.add(AbstractList.java:148)
> at java.util.AbstractList.add(AbstractList.java:108)
> at
> org.apache.samza.operators.MessageStreamImpl.merge(MessageStreamImpl.java:189)
> at
> samza.examples.wikipedia.application.WikipediaApplication.init(WikipediaApplication.java:39)
> at
> org.apache.samza.runtime.AbstractApplicationRunner.getExecutionPlan(AbstractApplicationRunner.java:100)
> at
> org.apache.samza.runtime.RemoteApplicationRunner.run(RemoteApplicationRunner.java:52)
> {code}
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