[hbase] NPE in master server
----------------------------
Key: HADOOP-2338
URL: https://issues.apache.org/jira/browse/HADOOP-2338
Project: Hadoop
Issue Type: Bug
Components: contrib/hbase
Affects Versions: 0.16.0
Reporter: Jim Kellerman
Assignee: Jim Kellerman
Fix For: 0.16.0
Master gets an NPE after receiving multiple responses from the same server
telling the master it has opened a region.
{code}
2007-12-02 20:31:37,515 DEBUG hbase.HRegion - Next sequence id for region
postlog,img254/577/02suecia024richardburnson0.jpg,1196619667879 is 73377537
2007-12-02 20:31:37,517 INFO hbase.HRegion - region
postlog,img254/577/02suecia024richardburnson0.jpg,1196619667879 available
2007-12-02 20:31:39,200 WARN hbase.HRegionServer - Processing message (Retry:
0)
java.io.IOException: java.io.IOException: java.lang.NullPointerException
at org.apache.hadoop.hbase.HMaster.processMsgs(HMaster.java :1484)
at org.apache.hadoop.hbase.HMaster.regionServerReport(HMaster.java:1423)
at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java
:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:379)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:596)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0 (Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java
:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at
org.apache.hadoop.hbase.RemoteExceptionHandler.decodeRemoteException(RemoteExceptionHandler.java:82)
at org.apache.hadoop.hbase.RemoteExceptionHandler.checkIOException
(RemoteExceptionHandler.java:48)
at org.apache.hadoop.hbase.HRegionServer.run(HRegionServer.java:759)
at java.lang.Thread.run(Thread.java:619)
case HMsg.MSG_REPORT_PROCESS_OPEN:
synchronized ( this.assignAttempts) {
// Region server has acknowledged request to open region.
// Extend region open time by 1/2 max region open time.
**1484** assignAttempts.put(region.getRegionName (),
Long.valueOf(assignAttempts.get(
region.getRegionName()).longValue() +
(this.maxRegionOpenTime / 2)));
}
break;
{code}
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