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From Ted Yu <yuzhih...@gmail.com>
Subject Re: client getTableDescriptors from master timeout
Date Sat, 10 Oct 2015 08:31:43 GMT
Did this exception happen repeatedly or intermittently ?

Does your cluster run secure hbase ?

Cheers

On Sat, Oct 10, 2015 at 1:23 AM, wangyongqiang0617@163.com <
wangyongqiang0617@163.com> wrote:

> we use hbase0.98.10, see the exception as flows:
>
>
> Caused by: java.lang.reflect.UndeclaredThrowableException
> at com.sun.proxy.$Proxy6.getHTableDescriptors(Unknown Source)
> at
> org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHTableDescriptor(HConnectionManager.java:1835)
> at
> org.apache.hadoop.hbase.client.HTable.getTableDescriptor(HTable.java:403)
> at
> org.apache.hadoop.hbase.mapreduce.HFileOutputFormat.configureCompression(HFileOutputFormat.java:436)
> at
> org.apache.hadoop.hbase.mapreduce.HFileOutputFormat.configureIncrementalLoad(HFileOutputFormat.java:368)
> at
> com.fiberhome.bigdata.bulkload.BulkLoadJobExecutor.initBulkLoadJob(BulkLoadJobExecutor.java:101)
> at
> com.fiberhome.nebula.datacenter.bulkload.app.GroupMRTask.call(GroupMRTask.java:92)
> Caused by: java.io.IOException: Call to hm:60000 failed on local
> exception: org.apache.hadoop.hbase.ipc.HBaseClient$CallTimeoutException:
> Call id=25409697, waitTime=68690, rpcTimetout=60000
> at
> org.apache.hadoop.hbase.ipc.HBaseClient.wrapException(HBaseClient.java:1056)
> at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:1025)
> at
> org.apache.hadoop.hbase.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:150)
> ... 15 more
> Caused by: org.apache.hadoop.hbase.ipc.HBaseClient$CallTimeoutException:
> Call id=25409697, waitTime=68690, rpcTimetout=60000
> at
> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.cleanupCalls(HBaseClient.java:786)
> at
> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:715)
> at
> org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:606)
>
>
> the log of master at the same time as flows:
> 2015-09-07 01:37:36,471 INFO org.apache.hadoop.hbase.master.LoadBalancer:
> Skipping load balancing because balanced cluster; servers=10 regions=169
> average=16.9 mostloaded=17 leastloaded=16
> 2015-09-07 01:37:36,471 INFO org.apache.hadoop.hbase.master.LoadBalancer:
> Skipping load balancing because balanced cluster; servers=10 regions=2
> average=0.2 mostloaded=1 leastloaded=0
> ...
>
> 2015-09-07 01:37:49,814 DEBUG
> org.apache.hadoop.hbase.client.ClientScanner: Creating scanner over .META.
> starting at key ''
> 2015-09-07 01:37:49,815 DEBUG
> org.apache.hadoop.hbase.client.ClientScanner: Advancing internal scanner to
> startKey at ''
> 2015-09-07 01:37:53,325 DEBUG
> org.apache.hadoop.hbase.client.ClientScanner: Finished with scanning at
> {NAME => '.META.,,1', STARTKEY => '', ENDKEY => '', ENCODED => 1028785192,}
> 2015-09-07 01:37:53,378 DEBUG
> org.apache.hadoop.hbase.master.CatalogJanitor: Scanned 49295 catalog row(s)
> and gc'd 0 unreferenced parent region(s)
>
> it seems master just does its periodic ordinary works.
>
> so, I am wondering why timeout happens
>
>
> wangyongqiang0617@163.com
>

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