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https://issues.apache.org/jira/browse/APEXMALHAR-2422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15900620#comment-15900620
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Thomas Weise commented on APEXMALHAR-2422:
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Please create a JIRA for test with MiniDFSCluster.
> WindowDataManager not recovering as expected on HDFS
> ----------------------------------------------------
>
> Key: APEXMALHAR-2422
> URL: https://issues.apache.org/jira/browse/APEXMALHAR-2422
> Project: Apache Apex Malhar
> Issue Type: Bug
> Affects Versions: 3.5.0, 3.6.0
> Reporter: Sandesh
> Assignee: Sandesh
> Fix For: 3.7.0
>
>
> In WindowDataManager getLargestWindow during recovery is not reflecting the
> saved window before operator crash.
> This affects many of the operators, one example is
> KafkaExactlyOnceOutputOperator,
> https://issues.apache.org/jira/browse/APEXMALHAR-2419
> Note:
> WindowDataManager works as expected on a local machine(local filesystem), but
> not on HDFS.
> Testing for the fix
> 1. Updated the unit test to use Hadoop filesystem APIs and ran them on HDFS
> 2. Wrote a simple application to test the behavior of Window Data Manager on
> the cluster
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