[jira] [Created] (OAK-2722) IndexCopier fails to delete older index directory upon reindex

["Chetan Mehrotra (JIRA)" <ji...@apache.org>]

Chetan Mehrotra created OAK-2722:
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             Summary: IndexCopier fails to delete older index directory upon reindex
                 Key: OAK-2722
                 URL: https://issues.apache.org/jira/browse/OAK-2722
             Project: Jackrabbit Oak
          Issue Type: Bug
          Components: oak-lucene
            Reporter: Chetan Mehrotra
            Assignee: Chetan Mehrotra
            Priority: Minor
             Fix For: 1.3.0


{{IndexCopier}} tries to remove the older index directory incase of reindex. This might fails on platform like Windows if the files are still memory mapped or are locked.

For deleting directories we would need to take similar approach like being done with deleting old index files i.e. do retries later.

Due to this following test fails on Windows (Per [~julian.reschke@gmx.de] )

{noformat}
Tests run: 9, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.07 sec <<< FAILURE!
deleteOldPostReindex(org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopierTest)  Time elapsed: 0.02 sec  <<< FAILURE!
java.lang.AssertionError: Old index directory should have been removed
        at org.junit.Assert.fail(Assert.java:93)
        at org.junit.Assert.assertTrue(Assert.java:43)
        at org.junit.Assert.assertFalse(Assert.java:68)
        at org.apache.jackrabbit.oak.plugins.index.lucene.IndexCopierTest.deleteOldPostReindex(IndexCopierTest.java:160)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
{noformat}



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