[jira] [Commented] (HBASE-9819) Backport HBASE-8372 'Provide mutability to CompoundConfiguration' to 0.94

["Lars Hofhansl (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-9819?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13802475#comment-13802475 ] 

Lars Hofhansl commented on HBASE-9819:
--------------------------------------

This comes from here:
{code}
      if (clusterId == null) {
        clusterId = new ClusterId(zooKeeper, this);
        if (clusterId.hasId()) {
          conf.set(HConstants.CLUSTER_ID, clusterId.getId());
        }
      }
{code}
Why are we setting CLUSTER_ID on the config?

> Backport HBASE-8372 'Provide mutability to CompoundConfiguration' to 0.94
> -------------------------------------------------------------------------
>
>                 Key: HBASE-9819
>                 URL: https://issues.apache.org/jira/browse/HBASE-9819
>             Project: HBase
>          Issue Type: Task
>            Reporter: Ted Yu
>             Fix For: 0.94.14
>
>
> In the email thread: http://search-hadoop.com/m/dcqod1uy32h
> yonghu encountered the following exception when he tried to retrieve HTableInterface:
> {code}
> ERROR: org.apache.hadoop.hbase.client.RetriesExhaustedWithDetailsException:
> Failed 1 action: org.apache.hadoop.hbase.DoNotRetryIOException:
> Coprocessor:
> 'org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionEnvironment@9a99eb'
> threw: 'java.lang.UnsupportedOperationException: Immutable Configuration'
> and has been removedfrom the active coprocessor set.
>     at
> org.apache.hadoop.hbase.coprocessor.CoprocessorHost.handleCoprocessorThrowable(CoprocessorHost.java:740)
>     at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.prePut(RegionCoprocessorHost.java:810)
>     at
> org.apache.hadoop.hbase.regionserver.HRegion.doPreMutationHook(HRegion.java:2196)
>     at
> org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2172)
>     at
> org.apache.hadoop.hbase.regionserver.HRegionServer.multi(HRegionServer.java:3811)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>     at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>     at java.lang.reflect.Method.invoke(Method.java:597)
>     at
> org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:320)
>     at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426)
> Caused by: java.lang.UnsupportedOperationException: Immutable Configuration
>     at
> org.apache.hadoop.hbase.regionserver.CompoundConfiguration.set(CompoundConfiguration.java:484)
>     at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.ensureZookeeperTrackers(HConnectionManager.java:721)
>     at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:986)
>     at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.locateRegion(HConnectionManager.java:961)
>     at org.apache.hadoop.hbase.client.HTable.finishSetup(HTable.java:251)
>     at org.apache.hadoop.hbase.client.HTable.<init>(HTable.java:243)
>     at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getTable(HConnectionManager.java:671)
>     at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getTable(HConnectionManager.java:658)
>     at
> CDCTrigger.TriggerForModification.prePut(TriggerForModification.java:61)
>     at
> org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.prePut(RegionCoprocessorHost.java:808)
>     ... 9 more
> : 1 time, servers with issues: hans-laptop:60020
> {code}
> CompoundConfiguration is mutable in 0.96 and beyond.
> This should be backported to 0.94



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