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From "Skovronik, Amir" <askov...@akamai.com>
Subject Re: exception during coprocessor run
Date Sun, 13 Jan 2013 16:10:56 GMT
Hi

I am running on mini cluster, so there should not be any connection
problems since every thing is on one machine

On 1/13/13 6:08 PM, "Anoop John" <anoop.hbase@gmail.com> wrote:

>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\\x
>>03vSB\\x90\\xF8\\xA3w83\\x80\\xB9\\xA1\\xF6\\x04\\x00\\x00\\x01\\x02\\xB3
>>b\\x11\\xC6\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00","stopRow":"\\xD8\\x9
>>F\\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,"ca
>>cheBlocks":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$Call.throwExceptionIfCallerDiscon
>>nected(HBaseServer.java:436)
>> >
>> > at
>> >
>> 
>>org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.nextIntern
>>al(HRegion.java:3489)
>> >
>> > at
>> >
>> 
>>org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegi
>>on.java:3447)
>> >
>> > at
>> >
>> 
>>org.apache.hadoop.hbase.regionserver.HRegion$RegionScannerImpl.next(HRegi
>>on.java:3464)
>> >
>> > at
>> >
>> 
>>com.akamai.csi.yoda.hquery.HQueryCoprocessorImpl.execute(HQueryCoprocesso
>>rImpl.java:124)
>> >
>> > at sun.reflect.GeneratedMethodAccessor40.invoke(Unknown Source)
>> >
>> > at
>> >
>> 
>>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI
>>mpl.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(HRegio
>>nServer.java:3551)
>> >
>> > at sun.reflect.GeneratedMethodAccessor39.invoke(Unknown Source)
>> >
>> > at
>> >
>> 
>>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorI
>>mpl.java:25)
>> >
>> > at java.lang.reflect.Method.invoke(Method.java:597)
>> >
>> > at
>> >
>> 
>>org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngi
>>ne.java:364)
>> >
>> > at
>> >
>> 
>>org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1426
>>)
>> >
>> >
>> > Please advise
>> >
>> > Thanks
>> >
>>


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