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https://issues.apache.org/jira/browse/HBASE-8397?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13810508#comment-13810508
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Ivan A. Veselovsky commented on HBASE-8397:
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Hi, Ted,
Actually I couldn't reproduce the issue also , even with -Psecurity.
I have 2 ideas why that failure could happen:
1) the test was annotated "@Category(SmallTests)" , so it might have been
executed together with other tests, that could affect the behavior.
2) the test might have "/hadoop-metrics.properties" resource in the classpath,
so it might have started the metrics update timer thread, that could affect the
behavior.
So, I updated the patch (HBASE-8397-0.94--N7.patch) with the following changes:
(1) assigned the test to @MediumTests, (2) added code to ensure that the
metrics use NullContext which never starts the update thread.
> improve unit-test coverage of package org.apache.hadoop.hbase.master.metrics
> (0.94)
> -----------------------------------------------------------------------------------
>
> Key: HBASE-8397
> URL: https://issues.apache.org/jira/browse/HBASE-8397
> Project: HBase
> Issue Type: Test
> Affects Versions: 0.94.8
> Reporter: Ivan A. Veselovsky
> Assignee: Ivan A. Veselovsky
> Fix For: 0.94.14
>
> Attachments: HBASE-8397-0.94--N3.patch, HBASE-8397-0.94--N5.patch,
> HBASE-8397-0.94--N6.patch
>
>
> The patch suggests new test that elevates unit-test coverage of package
> org.apache.hadoop.hbase.master.metrics .
> The patch is applicable to branch 0.94 only.
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