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From Anoop John <anoop.hb...@gmail.com>
Subject Re: exception during coprocessor run
Date Sun, 13 Jan 2013 16:08:21 GMT
HBase throw this Exception when the connection btw the client process and
the RS process (connection through which the op request came) is broken.
Any issues with your client app or nw?  The operation will be getting
retried from client right?

-Anoop-

On Sun, Jan 13, 2013 at 8:24 PM, Ted Yu <yuzhihong@gmail.com> wrote:

> 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 <askovron@akamai.com
> >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
> >
>

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