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https://issues.apache.org/jira/browse/HBASE-23792?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17030118#comment-17030118
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Nick Dimiduk commented on HBASE-23792:
--------------------------------------
I can't repro this locally or find a source for the filesystem implementation
getting flipped to a distributed fs. However, the only place in Hadoop code
where I see this "Wrong FS" message thrown as an {{IllegalArgumentException}}
is in {{FileSystem#checkPath}}.
Looking closer at the xml report, I see that the test failed once with the
above. Surefire tried to re-run it, but it failed the rerun with
{noformat}
java.io.IOException: Target
file:/home/jenkins/jenkins-slave/workspace/HBase_Nightly_branch-2@2/component/hbase-mapreduce/target/test-data/878a5107-35a3-90ea-50ef-d2a3c32a50dc/.hbase-snapshot/tableWithRefsV1/tableWithRefsV1
is a directory
at
org.apache.hadoop.hbase.snapshot.TestExportSnapshotNoCluster.testSnapshotWithRefsExportFileSystemState(TestExportSnapshotNoCluster.java:105)
at
org.apache.hadoop.hbase.snapshot.TestExportSnapshotNoCluster.testSnapshotWithRefsExportFileSystemState(TestExportSnapshotNoCluster.java:90)
{noformat}
which implies to me that when surefire reruns a test method, it does not run
the BeforeClass business.
I also notice that the test method runs the same code twice, but both times
it's using {{createSnapshotV2}}... I think one of the invocations is supposed
to be calling {{createSnapshotV1}}.
So.
# Survive flakey rerunning by converting the static {{BeforeClass}} stuff into
instance-level {{Before}}.
# Break the test method into two, one for running over each of the snapshot
manifest versions.
> [Flakey Test]
> TestExportSnapshotNoCluster.testSnapshotWithRefsExportFileSystemState
> -----------------------------------------------------------------------------------
>
> Key: HBASE-23792
> URL: https://issues.apache.org/jira/browse/HBASE-23792
> Project: HBase
> Issue Type: Test
> Components: test
> Affects Versions: 2.3.0
> Reporter: Nick Dimiduk
> Priority: Major
> Attachments:
> TEST-org.apache.hadoop.hbase.snapshot.TestExportSnapshotNoCluster.xml
>
>
> {{TestExportSnapshotNoCluster.testSnapshotWithRefsExportFileSystemState}}
> fails with
> {noformat}
> java.lang.IllegalArgumentException: Wrong FS:
> file:/home/jenkins/jenkins-slave/workspace/HBase_Nightly_branch-2@2/component/hbase-mapreduce/target/test-data/878a5107-35a3-90ea-50ef-d2a3c32a50dc/.hbase-snapshot/tableWithRefsV1,
> expected: hdfs://localhost:44609
> at
> org.apache.hadoop.hbase.snapshot.TestExportSnapshotNoCluster.testSnapshotWithRefsExportFileSystemState(TestExportSnapshotNoCluster.java:110)
> at
> org.apache.hadoop.hbase.snapshot.TestExportSnapshotNoCluster.testSnapshotWithRefsExportFileSystemState(TestExportSnapshotNoCluster.java:90)
> {noformat}
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