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https://issues.apache.org/jira/browse/HBASE-23244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Busbey reopened HBASE-23244:
---------------------------------
This caused a findbugs failure.
>From precommit report, same thing pinging nightly and all new precommits as a
>branch problem:
{code}
FindBugs module:hbase-server
Nullcheck of CanaryTool$RegionTask.region at line 495 of value previously
dereferenced in org.apache.hadoop.hbase.tool.CanaryTool$RegionTask.read() At
CanaryTool.java:495 of value previously dereferenced in
org.apache.hadoop.hbase.tool.CanaryTool$RegionTask.read() At
CanaryTool.java:[line 438]
{code}
> NPEs running Canary
> -------------------
>
> Key: HBASE-23244
> URL: https://issues.apache.org/jira/browse/HBASE-23244
> Project: HBase
> Issue Type: Bug
> Components: canary
> Affects Versions: 2.2.2
> Reporter: Michael Stack
> Assignee: Michael Stack
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.1.8, 2.2.3
>
>
> There's a few. Here is one:
> {code}
> 19/11/01 23:54:16 ERROR tool.Canary: Run regionMonitor failed
> java.lang.NullPointerException
> at org.apache.hadoop.hbase.tool.CanaryTool.sniff(CanaryTool.java:1582)
> at org.apache.hadoop.hbase.tool.CanaryTool.sniff(CanaryTool.java:1562)
> at
> org.apache.hadoop.hbase.tool.CanaryTool.access$100(CanaryTool.java:124)
> at
> org.apache.hadoop.hbase.tool.CanaryTool$RegionMonitor.run(CanaryTool.java:1366)
> at java.base/java.lang.Thread.run(Thread.java:834)
> {code}
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