stack created HBASE-21345:
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Summary: [hbck2] Allow version check to proceed even though master
is 'initializing'.
Key: HBASE-21345
URL: https://issues.apache.org/jira/browse/HBASE-21345
Project: HBase
Issue Type: Bug
Components: hbck2
Reporter: stack
Fix For: 2.1.1, 2.0.3
We recently added to hbck2 a check of the cluster version it is to go against.
This means a getClusterMetrics call with the option HBASE_VERSION set.
In testing, trying to fix a failed namespace assign on startup, hbck2 was shut
out with a "PleaseHoldException".
Let the getClusterMetrics call happen even during startup... so tooling can
probe Master state externally.
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