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HBase, mail # user - exception during coprocessor run


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Re: exception during coprocessor run
Ted Yu 2013-01-13, 14:54
Here is related code:
    public void throwExceptionIfCallerDisconnected() throws
CallerDisconnectedException {
      if (!connection.channel.isOpen()) {

Have you checked data node log on 172.29.40.178
<http://172.29.40.178:50769>around 15:09:14,742 to see what was
happening ?

Cheers

On Sun, Jan 13, 2013 at 6:04 AM, Skovronik, Amir <[EMAIL PROTECTED]>wrote:

> Hi
>
> I am using version 0.94.3, while running an end point coprocessor I get
> the following exception sometimes when running scan on an internal scanner:
>
>
> 2013-01-13 15:09:14,742 ERROR HRegionServer -
>
> org.apache.hadoop.hbase.ipc.CallerDisconnectedException: Aborting call
> execCoprocessor([B@105f3de6, execute(RTR,
> {"timeRange":[0,9223372036854775807],"batch":-1,"startRow":"\\xD8\\x9F\\x03vSB\\x90\\xF8\\xA3w83\\x80\\xB9\\xA1\\xF6\\x04\\x00\\x00\\x01\\x02\\xB3b\\x11\\xC6\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00","stopRow":"\\xD8\\x9F\\x03vSB\\x90\\xF8\\xA3w83\\x80\\xB9\\xA1\\xF6\\x04\\x00\\x00\\x02\\x05f\\xC4#\\x8F\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00","totalColumns":0,"cacheBlocks":true,"families":{"Data":[]},"maxVersions":1,"filter":"Field
> Conditions: \r\n","caching":-1}, 200000, false, null), rpc version=1,
> client version=0, methodsFingerPrint=0), rpc version=1, client version=29,
> methodsFingerPrint=-1368823753 from 172.29.40.178:50769 after 0 ms, since
> caller disconnected
>
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Call.throwExceptionIfCallerDisconnected(HBaseServer.java:436)
>
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextInternal(HRegion.java:3489)
>
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:3447)
>
> at
> org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegion.java:3464)
>
> at
> com.akamai.csi.yoda.hquery.HQueryCoprocessorImpl.execute(HQueryCoprocessorImpl.java:124)
>
> at sun.reflect.GeneratedMethodAccessor40.invoke(Unknown Source)
>
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> at java.lang.reflect.Method.invoke(Method.java:597)
>
> at org.apache.hadoop.hbase.regionserver.HRegion.exec(HRegion.java:4947)
>
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.execCoprocessor(HRegionServer.java:3551)
>
> at sun.reflect.GeneratedMethodAccessor39.invoke(Unknown Source)
>
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>
> at java.lang.reflect.Method.invoke(Method.java:597)
>
> at
> org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:364)
>
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426)
>
>
> Please advise
>
> Thanks
>