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Subject: Re: Does HBase 0.92 Rest client supports coprocessor execution?
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From: Anil Gupta <anilgupta84@gmail.com>
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Date: Mon, 3 Sep 2012 15:32:38 -0700
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Thanks for the response, Andrew.

After failure of running CP rest API, I figured out that when the client mac=
hine is directly connected to cluster, I can run hbase client code from any m=
achine by providing the hbase conf in classpath. :)


Best Regards,
Anil

On Sep 3, 2012, at 3:19 PM, Andrew Purtell <apurtell@apache.org> wrote:

> You are correct, it is not supported.
>=20
> I think direct invocation of coprocessors is out of scope of the REST API,=

> because coprocessorExec is an arbitrary remote method call. That is the
> domain of SOAP/WS. There is no WS API for HBase at this time (and none
> planned that I know of).
>=20
> On Thursday, August 30, 2012, anil gupta wrote:
>=20
>> Hi All,
>>=20
>> I am running a HBase 0.92 cluster. I was trying to run the Aggregation
>> coprocessor using HBase REST client api. When i ran the code i got the
>> following error:
>> java.lang.UnsupportedOperationException: coprocessorExec not implemented
>>    at
>>=20
>> org.apache.hadoop.hbase.rest.client.RemoteHTable.coprocessorExec(RemoteHT=
able.java:712)
>>    at
>>=20
>> com.intuit.ihub.hbase.poc.aggregation.client.AggregationClientRest.max(Ag=
gregationClientRest.java:101)
>>    at
>> com.intuit.ihub.hbase.poc.rest.client.RestClient.main(RestClient.java:52)=

>>=20
>> I also looked into the code and it seems like currently it's not possible=

>> to run coprocessor with REST client api of HBase 0.92. Right? Is it
>> available in HBase0.94 ?
>> Sorry, if my question sounds pretty obvious.
>>=20
>> --
>> Thanks & Regards,
>> Anil Gupta
>>=20
>=20
>=20
> --=20
> Best regards,
>=20
>   - Andy
>=20
> Problems worthy of attack prove their worth by hitting back. - Piet Hein
> (via Tom White)