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https://issues.apache.org/jira/browse/HDFS-521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Konstantin Boudnik updated HDFS-521:
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Attachment: HDFS-521.patch
Fixing the race condition between two thread:
- external thread tries to shutdown the cluster when a condition is met
- main thread invokes @After method which checks cluster reference for null
and then shuts down datanodes and then the cluster itself. The cluster
references might become null in between of these two calls. Thus a separate
check for null is in order.
> Create new tests for pipeline
> -----------------------------
>
> Key: HDFS-521
> URL: https://issues.apache.org/jira/browse/HDFS-521
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: test
> Affects Versions: 0.21.0, 0.22.0
> Reporter: Konstantin Boudnik
> Assignee: Konstantin Boudnik
> Attachments: HDFS-521.patch, HDFS-521.patch, HDFS-521.patch,
> HDFS-521.patch, HDFS-521.patch, HDFS-521.patch, HDFS-521.patch,
> HDFS-521.patch, HDFS-521.patch, HDFS-521.patch, hdfs-521.patch,
> hdfs-521.patch, hdfs-521.patch, HDFS-521.patch, HDFS-521.patch, HDFS-521.patch
>
>
> This JIRA is created to be a place holder for the test implemented as a part
> of HDFS-483 fix
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