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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-1669) need dynamic extensibility of HBaseRPC code maps and interface lists
Date Fri, 17 Jul 2009 18:58:16 GMT
need dynamic extensibility of HBaseRPC code maps and interface lists

                 Key: HBASE-1669
                 URL: https://issues.apache.org/jira/browse/HBASE-1669
             Project: Hadoop HBase
          Issue Type: Bug
            Reporter: Andrew Purtell
             Fix For: 0.20.0

>From https://issues.apache.org/jira/browse/HBASE-1588?focusedCommentId=12732675&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12732675

Now RPC does not work for the transactional interface. I see thinks like:

[17/07/09 11:34:59] 26052 [or: SeedService] ERROR org.apache.hadoop.ipc.HbaseRPC - Unsupported
type beginTransaction

Caused by: java.lang.UnsupportedOperationException: No code for unexpected abort
at org.apache.hadoop.hbase.ipc.HBaseRPC$Invocation.writeMethodNameCode(HBaseRPC.java:225)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Invocation.write(HBaseRPC.java:152)
at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.sendParam(HBaseClient.java:475)
at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:708)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:321)
at $Proxy18.abort(Unknown Source)
at org.apache.hadoop.hbase.client.transactional.TransactionManager.abort(TransactionManager.java:214)
at org.apache.hadoop.hbase.client.transactional.TransactionManager.abort(TransactionManager.java:198)

Looking at HBaseRPC, it seems the interfaces are added in a static block inside of Invocation.
Is there a way to add my interface from contrib?

Maybe we can rig up something which uses annotations to mark RPC interfaces and associate
an integer code with them, and then scan all classes on the classpath from a static initializer
or constructor in HBaseRPC? 

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