[jira] [Assigned] (HBASE-28526) hbase-rest client shading conflict with hbase-shaded-client in HBase 2.x

["Istvan Toth (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-28526?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Istvan Toth reassigned HBASE-28526:
-----------------------------------

    Assignee: Istvan Toth

> hbase-rest client shading conflict with hbase-shaded-client in HBase 2.x
> ------------------------------------------------------------------------
>
>                 Key: HBASE-28526
>                 URL: https://issues.apache.org/jira/browse/HBASE-28526
>             Project: HBase
>          Issue Type: Bug
>          Components: REST
>    Affects Versions: 2.6.0, 2.4.17, 2.7.0, 2.5.8
>            Reporter: Istvan Toth
>            Assignee: Istvan Toth
>            Priority: Major
>              Labels: pull-request-available
>
> When trying to decode a protobuf encoded CellSet, I get 
> {noformat}
> Exception in thread "main" java.lang.NoSuchMethodError: org.apache.hadoop.hbase.protobuf.ProtobufUtil.mergeFrom(Lcom/google/protobuf/Message$Builder;[B)V
> 	at org.apache.hadoop.hbase.rest.model.CellSetModel.getObjectFromMessage(CellSetModel.java:129)
> 	at RestClientExample.getMulti(RestClientExample.java:191)
> 	at RestClientExample.start(RestClientExample.java:138)
> 	at RestClientExample.main(RestClientExample.java:124)
> {noformat}
> Seems to be caused by relocating protobuf 2.5 in hbase-shaded-client.
> It works fine with the unrelcoated client i.e. when using the 
> {noformat}
> export CLASSPATH=`hbase --internal-classpath classpath`:<a few extra jars>
> {noformat}
> command to set up the classpath for the client.



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