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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-266) RPC doesn not handle exceptions correctly
Date Thu, 01 Jun 2006 02:12:29 GMT
RPC doesn not handle exceptions correctly
-----------------------------------------

         Key: HADOOP-266
         URL: http://issues.apache.org/jira/browse/HADOOP-266
     Project: Hadoop
        Type: Bug

  Components: ipc  
    Reporter: Konstantin Shvachko
    Priority: Minor


1. Examining HADOOP-264 bug I realized that not all rpc server exceptions are actually returned
to the client. Particularly, if an exception happens in 
org.apache.hadoop.ipc.Server.Connection.run()
for example inside 
param.readFields(in);
then it logged but never returned back to the client.
Client simply timeouts in this case, which is not exactly what one would expect.

2. On the way back 
org.apache.hadoop.ipc.Client.call()
rpc client always throws a RemoteException, rather than the exception wrapped into this RemoteException.


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