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https://issues.apache.org/jira/browse/EAGLE-569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Su Ralph resolved EAGLE-569.
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Resolution: Fixed
> AlertPublishImpl: Concurrency : Inplace change metadata cause concurrent
> modification issue
> -------------------------------------------------------------------------------------------
>
> Key: EAGLE-569
> URL: https://issues.apache.org/jira/browse/EAGLE-569
> Project: Eagle
> Issue Type: Bug
> Affects Versions: v0.5.0
> Reporter: Su Ralph
> Assignee: Su Ralph
> Priority: Critical
> Fix For: v0.5.0
>
>
> We are try to re-use eagle alert module as part our streaming processing
> core, during test, we found below error.
> 6700 java.util.ConcurrentModificationException at
> java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) at
> java.util.ArrayList$Itr.next(ArrayList.java:851) at
> org.apache.eagle.alert.engine.publisher.impl.AlertPublisherImpl.notifyAlert(AlertPublisherImpl.java:74)
> It happens to be in AlertPublisherImpl, the metadata change is doing inplace
> update, which cause the concurrency issue when the bolt is continuing ingest
> data.
> This exception should cause following data stream not able to be published.
> Hence be blocker
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