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https://issues.apache.org/jira/browse/HBASE-12645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14248729#comment-14248729
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Varun Saxena commented on HBASE-12645:
--------------------------------------
[~stack], if the flag is false, {{getDefaultRootDirPath()}} calls below
function. As you can see, if {{dataTestDirOnTestFS}} is null, directory path is
created/fetched again.
If not, previous value is retrieved. When the flag is true, we create a new
path irrespective of whether dataTestDirOnTestFS is null or not.
{code}
public Path getDataTestDirOnTestFS() throws IOException {
if (dataTestDirOnTestFS == null) {
setupDataTestDirOnTestFS();
}
return dataTestDirOnTestFS;
}
{code}
> HBaseTestingUtility is using ${$HOME} for rootDir
> -------------------------------------------------
>
> Key: HBASE-12645
> URL: https://issues.apache.org/jira/browse/HBASE-12645
> Project: HBase
> Issue Type: Test
> Components: test
> Affects Versions: 1.0.0
> Reporter: Nick Dimiduk
> Assignee: Varun Saxena
> Priority: Critical
> Fix For: 1.0.0, 2.0.0
>
> Attachments: HBASE-12645.002.patch, HBASE-12645.003.patch,
> HBASE-12645.004.patch, HBASE-12645.004.patch, HBASE-12645.005.patch,
> HBASE-12645.006.patch, HBASE-12645.006.patch, HBASE-12645.patch
>
>
> I noticed this while running tests on branch-1
> {noformat}
> Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.009 sec <<<
> FAILURE! - in
> org.apache.hadoop.hbase.regionserver.wal.TestReadOldRootAndMetaEdits
> org.apache.hadoop.hbase.regionserver.wal.TestReadOldRootAndMetaEdits Time
> elapsed: 0.009 sec <<< ERROR!
> java.io.FileNotFoundException: Destination exists and is not a directory:
> /homes/hortonnd/hbase
> at
> org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:423)
> at
> org.apache.hadoop.fs.ChecksumFileSystem.mkdirs(ChecksumFileSystem.java:588)
> at
> org.apache.hadoop.hbase.HBaseTestingUtility.createRootDir(HBaseTestingUtility.java:1053)
> at
> org.apache.hadoop.hbase.regionserver.wal.TestReadOldRootAndMetaEdits.setupBeforeClass(TestReadOldRootAndMetaEdits.java:70)
> {noformat}
> Either the testing utility has a regression or there's a config regression in
> this test.
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