Ted Yu created HBASE-21175:
------------------------------
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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