[jira] [Created] (HBASE-21175) Partially initialized SnapshotHFileCleaner leads to NPE during TestHFileArchiving

["Ted Yu (JIRA)" <ji...@apache.org>]

Ted Yu created HBASE-21175:
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             Summary: Partially initialized SnapshotHFileCleaner leads to NPE during TestHFileArchiving
                 Key: HBASE-21175
                 URL: https://issues.apache.org/jira/browse/HBASE-21175
             Project: HBase
          Issue Type: Test
            Reporter: Ted Yu


TestHFileArchiving#testCleaningRace creates HFileCleaner instance within the test.
When SnapshotHFileCleaner.init() is called, there is no master parameter passed in {{params}}.

When the chore runs the cleaner during the test, NPE comes out of this line in getDeletableFiles():
{code}
      return cache.getUnreferencedFiles(files, master.getSnapshotManager());
{code}
since master is null.

We should either check for the null master or, pass master instance properly when constructing the cleaner instance.



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