[HBASE-14798] NPE reporting server load causes regionserver abort; causes TestAcidGuarantee to fail

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.2.0, 1.3.0, 1.1.4, 2.0.0
• Component/s: test
• Assignee: Michael Stack
• Reporter: Michael Stack
• Created: 11/Nov/15 18:48
• Updated: 23/Jun/22 19:07
• Resolved: 14/Nov/15 17:09

Description

Below crashed out a RS. Caused TestAcidGuarantees to fail because then there were not RS to assign too...

2015-11-11 11:36:23,092 ERROR [B.defaultRpcServer.handler=4,queue=0,port=58655] master.MasterRpcServices(388): Region server asf907.gq1.ygridcore.net,55184,1447241756717 reported a fatal error:
ABORTING region server asf907.gq1.ygridcore.net,55184,1447241756717: Unhandled: null
Cause:
java.lang.NullPointerException
	at org.apache.hadoop.hbase.regionserver.HRegion.getOldestHfileTs(HRegion.java:1643)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.createRegionLoad(HRegionServer.java:1503)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.buildServerLoad(HRegionServer.java:1210)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.tryRegionServerReport(HRegionServer.java:1153)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:969)
	at org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.runRegionServer(MiniHBaseCluster.java:156)
	at org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.access$000(MiniHBaseCluster.java:108)
	at org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer$1.run(MiniHBaseCluster.java:140)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:360)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1637)
	at org.apache.hadoop.hbase.security.User$SecureHadoopUser.runAs(User.java:307)
	at org.apache.hadoop.hbase.MiniHBaseCluster$MiniHBaseClusterRegionServer.run(MiniHBaseCluster.java:138)
	at java.lang.Thread.run(Thread.java:745)

Here is the failure: https://builds.apache.org/view/H-L/view/HBase/job/HBase-Trunk_matrix/457/jdk=latest1.8,label=Hadoop/artifact/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.TestAcidGuarantees-output.txt