Sean Busbey created HBASE-12612:
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Summary: WALFactory use in upgrade path must clean up properly
Key: HBASE-12612
URL: https://issues.apache.org/jira/browse/HBASE-12612
Project: HBase
Issue Type: Bug
Components: wal
Affects Versions: 2.0.0
Reporter: Sean Busbey
Assignee: Sean Busbey
Priority: Blocker
Fix For: 2.0.0
The namespace upgrade code from pre-0.96 requires a clean shutdown prior to
run. Right now the NamespaceUpgrade code does the following
# instantiate wal factory
# ask for a meta-wal
# online meta and make changes
# clean up meta-wal
That last bit is done instead of closing the factory itself. Since the factory
initializes a non-meta-wal as a part of its constructor, not closing it leaves
behind an empty wal. The rest of hte upgrade process sees that empty wal as an
indicator that there's been a failure and goes into recovery.
The recovery process skips the loading of the hbase:acl table, which then
causes the upgrade after master initialization to fail.
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