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https://issues.apache.org/jira/browse/HBASE-13044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660130#comment-14660130
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Ted Yu commented on HBASE-13044:
--------------------------------
With this change: http://pastebin.com/1hYN8PtD
I saw the following in
org.apache.hadoop.hbase.regionserver.TestSplitTransactionOnCluster-output.txt :
{code}
2015-08-06 07:49:31,314 DEBUG [B.defaultRpcServer.handler=4,queue=0,port=56411]
ipc.CallRunner(109): B.defaultRpcServer.handler=4,queue=0,port=56411: callId:
295 service: ClientService methodName: ExecService size: 1.2 K
connection: 192.168.0.12:56464
org.apache.hadoop.hbase.exceptions.UnknownProtocolException: No registered
coprocessor service found for name hbase.pb.MultiRowMutationService in region
hbase:meta,,1
at org.apache.hadoop.hbase.regionserver.HRegion.execService(HRegion.java:7348)
at
org.apache.hadoop.hbase.regionserver.RSRpcServices.execServiceOnRegion(RSRpcServices.java:1939)
at
org.apache.hadoop.hbase.regionserver.RSRpcServices.execService(RSRpcServices.java:1921)
at
org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32458)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2131)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:106)
{code}
This was what effectively a customer went through when
hbase.coprocessor.enabled was mistakenly set to false.
> Configuration option for disabling coprocessor loading
> ------------------------------------------------------
>
> Key: HBASE-13044
> URL: https://issues.apache.org/jira/browse/HBASE-13044
> Project: HBase
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
> Priority: Minor
> Fix For: 2.0.0, 1.0.1, 1.1.0, 0.98.11
>
> Attachments: HBASE-13044.patch, HBASE-13044.patch
>
>
> Some users would like complete assurance coprocessors cannot be loaded. Add a
> configuration option that prevents coprocessors from ever being loaded by
> ignoring any load directives found in the site file or table metadata.
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