Xiong LIU created HBASE-8790:
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Summary: NullPointerException throwed when stopping regionserver
Key: HBASE-8790
URL: https://issues.apache.org/jira/browse/HBASE-8790
Project: HBase
Issue Type: Bug
Components: regionserver
Affects Versions: 0.95.1
Environment: CentOS 5.9 x86_64, java version "1.6.0_45"
Reporter: Xiong LIU
The Hbase cluster is a fresh start with one regionserver.
When we stop hbase, an unhandled NullPointerException is throwed in the
regionserver.
The regionserver's log is as follows:
2013-06-21 10:21:11,284 INFO [regionserver61020] regionserver.HRegionServer:
Closing user regions
2013-06-21 10:21:14,288 DEBUG [regionserver61020] regionserver.HRegionServer:
Waiting on 1028785192
2013-06-21 10:21:14,290 FATAL [regionserver61020] regionserver.HRegionServer:
ABORTING region server HOSTNAME_TEST,61020,1371781086817
: Unhandled: null
java.lang.NullPointerException
at
org.apache.hadoop.hbase.regionserver.HRegionServer.tryRegionServerReport(HRegionServer.java:988)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:832)
at java.lang.Thread.run(Thread.java:662)
2013-06-21 10:21:14,292 FATAL [regionserver61020] regionserver.HRegionServer:
RegionServer abort: loaded coprocessors are: [org.apache
.hadoop.hbase.coprocessor.MultiRowMutationEndpoint]
2013-06-21 10:21:14,293 INFO [regionserver61020] regionserver.HRegionServer:
STOPPED: Unhandled: null
2013-06-21 10:21:14,293 INFO [regionserver61020] ipc.RpcServer: Stopping
server on 61020
It seems that after closing user regions, the rssStub is null.
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