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Posted to dev@apex.apache.org by "Pramod Immaneni (JIRA)" <ji...@apache.org> on 2016/02/05 21:09:40 UTC

[jira] [Commented] (APEXMALHAR-1990) Occasional concurrent modification exceptions from IdempotentStorageManager

    [ https://issues.apache.org/jira/browse/APEXMALHAR-1990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15134882#comment-15134882 ] 

Pramod Immaneni commented on APEXMALHAR-1990:
---------------------------------------------

This is because of modification of the multimap while iterating through it without using the iterator to modify it. Pull request ready submitting soon.

> Occasional concurrent modification exceptions from IdempotentStorageManager
> ---------------------------------------------------------------------------
>
>                 Key: APEXMALHAR-1990
>                 URL: https://issues.apache.org/jira/browse/APEXMALHAR-1990
>             Project: Apache Apex Malhar
>          Issue Type: Bug
>          Components: utilities
>            Reporter: Munagala V. Ramanath
>            Assignee: Pramod Immaneni
>
> We see ConcurrentModificationException from IdempotentStorageManager in FSIdempotentStorageManager.deleteUpTo.



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