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From: Vladimir Rodionov <vrodionov@carrieriq.com>
To: "user@hbase.apache.org" <user@hbase.apache.org>
Date: Tue, 27 May 2014 10:53:01 -0700
Subject: RE: How to pass a POJO as a parameter to Coprocessor Getting
 Exception Error in Read Fields
Thread-Topic: How to pass a POJO as a parameter to Coprocessor Getting
 Exception Error in Read Fields
Thread-Index: Ac9506MsAuyggKLqS/qPxWLcNX1jXAAAN3Co
Message-ID: 
 <DC5EBE7F3610EB4CA5C7E92D76873E15187CA57C64@exchange2007.carrieriq.com>
References: 
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	<CALte62xYAmsHegbRX2R-4Yr-UV14ddeUhUbLPk95FhLkr8qfug@mail.gmail.com>
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Make sure that your Writable implementation code is correct. Do you have an=
y unit tests for your Writable implementation?

Best regards,
Vladimir Rodionov
Principal Platform Engineer
Carrier IQ, www.carrieriq.com
e-mail: vrodionov@carrieriq.com

________________________________________
From: Vikram Singh Chandel [vikramsinghchandel@gmail.com]
Sent: Tuesday, May 27, 2014 10:46 AM
To: user@hbase.apache.org
Subject: Re: How to pass a POJO as a parameter to Coprocessor Getting Excep=
tion Error in Read Fields

Hi Ted

Yes you were right
The CDH version is 4.5 and HBase version is 0.94.6

Tom

full stack trace of log as (displayed on console) is

        at
java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
        at java.util.concurrent.FutureTask.get(FutureTask.java:111)
        at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation=
.processExecs(HConnectionManager.java:1501)
        at
org.apache.hadoop.hbase.client.HTable.coprocessorExec(HTable.java:1294)
        at
org.apache.hadoop.hbase.client.HTable.coprocessorExec(HTable.java:1274)
*        at com.thomsonreuters.hbase.**ScanAllEnpoint.main(*
*ScanAllEnpoint.java:30) -- Client class (calling CoProcessorExec method
here)*


Tue May 27 12:04:05 UTC 2014,
org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@1c459fc2, java.io.IOException:
IPC server unable to read call parameters: Error in readFields


*This repeats for 10 Times*


  at
org.apache.hadoop.hbase.client.ServerCallable.withRetries(ServerCallable.ja=
va:186)
        at
org.apache.hadoop.hbase.ipc.ExecRPCInvoker.invoke(ExecRPCInvoker.java:79)
        at com.sun.proxy.$Proxy8.getResults(Unknown Source)
       * at com.thomsonreuters.hbase.**ScanAllEnpoint$1.call(*
*ScanAllEnpoint.java:35)  -- Client Class*
*        at com.thomsonreuters.hbase.**ScanAllEnpoint$1.call(*
*ScanAllEnpoint.java:1) -- Client Class*
        at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation=
$4.call(HConnectionManager.java:1489)
        at
java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1=
145)
        at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:=
615)
        at java.lang.Thread.run(Thread.java:722)


On Tue, May 27, 2014 at 10:45 PM, Tom Brown <tombrown52@gmail.com> wrote:

> Sorry, accidentally hit send... I meant to suggest this:
>
>
> http://stackoverflow.com/questions/20257356/hbase-client-scan-could-not-i=
nitialize-org-apache-hadoop-hbase-util-classes/
>
> --Tom
>
>
> On Tue, May 27, 2014 at 11:14 AM, Tom Brown <tombrown52@gmail.com> wrote:
>
> > Can you check your server logs for a full stack trace? This sounds like
> it
> > could be similar to this:
> >
> >
> >
> > On Tue, May 27, 2014 at 10:15 AM, Ted Yu <yuzhihong@gmail.com> wrote:
> >
> >> Can you confirm the version of HBase ?
> >>
> >> To my knowledge, cdh5 is based on 0.96
> >>
> >> Cheers
> >>
> >>
> >> On Tue, May 27, 2014 at 1:36 AM, Vikram Singh Chandel <
> >> vikramsinghchandel@gmail.com> wrote:
> >>
> >> > Hi
> >> >
> >> > I am trying to pass a POJO (RequestVO say) having a single member
> >> variable
> >> > i.e
> >> > *Text Name; *to coprocessorExec method.
> >> >
> >> > This VO implements writable
> >> >
> >> > But getting following exception
> >> >
> >> > org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed aft=
er
> >> > attempts=3D10,
> >> >
> >> > *exceptions:*
> >> > Tue May 27 13:42:41 IST 2014,
> >> > *org.apache.hadoop.hbase.ipc.ExecRPCInvoker$1@1506a1e,
> >> > java.io.IOException: IPC server unable to read call parameters: Erro=
r
> in
> >> > readFields *
> >> >
> >> > *HBase v :* 0.94.6 Cloudera (CDH 5 Distribution)
> >> > *Hadoop :* 2.2.0
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > --
> >> > *Regards*
> >> >
> >> > *VIKRAM SINGH CHANDEL*
> >> >
> >> > Please do not print this email unless it is absolutely
> necessary,Reduce.
> >> > Reuse. Recycle. Save our planet.
> >> >
> >>
> >
> >
>


--
*Regards*

*VIKRAM SINGH CHANDEL*

Please do not print this email unless it is absolutely necessary,Reduce.
Reuse. Recycle. Save our planet.

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