[HBASE-23244] NPEs running Canary

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.2
• Fix Version/s: 3.0.0-alpha-1, 2.3.0, 2.1.8, 2.2.3
• Component/s: canary
• Hadoop Flags: Reviewed
• Assignee: Michael Stack
• Reporter: Michael Stack
• Created: 01/Nov/19 23:55
• Updated: 03/Nov/19 14:19
• Resolved: 02/Nov/19 16:35

Description

There's a few. Here is one:

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)

Issue Links

• links to: GitHub Pull Request #784