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https://issues.apache.org/jira/browse/HBASE-20569?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guanghao Zhang updated HBASE-20569:
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Attachment: HBASE-20569.HBASE-19064.013.patch
> NPE in RecoverStandbyProcedure.execute
> --------------------------------------
>
> Key: HBASE-20569
> URL: https://issues.apache.org/jira/browse/HBASE-20569
> Project: HBase
> Issue Type: Sub-task
> Reporter: Duo Zhang
> Assignee: Guanghao Zhang
> Priority: Major
> Attachments: HBASE-20569.HBASE-19064.001.patch,
> HBASE-20569.HBASE-19064.002.patch, HBASE-20569.HBASE-19064.003.patch,
> HBASE-20569.HBASE-19064.004.patch, HBASE-20569.HBASE-19064.005.patch,
> HBASE-20569.HBASE-19064.006.patch, HBASE-20569.HBASE-19064.007.patch,
> HBASE-20569.HBASE-19064.008.patch, HBASE-20569.HBASE-19064.009.patch,
> HBASE-20569.HBASE-19064.010.patch, HBASE-20569.HBASE-19064.011.patch,
> HBASE-20569.HBASE-19064.012.patch, HBASE-20569.HBASE-19064.013.patch,
> HBASE-20569.HBASE-19064.013.patch
>
>
> We call ReplaySyncReplicationWALManager.initPeerWorkers in INIT_WORKERS state
> and then use it in DISPATCH_TASKS. But if we restart the master and the
> procedure is restarted from state DISPATCH_TASKS, no one will call the
> initPeerWorkers method and we will get NPE.
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