Github user sohami commented on a diff in the pull request: https://github.com/apache/drill/pull/578#discussion_r99257059 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/rpc/data/DataClient.java --- @@ -75,27 +85,106 @@ public MessageLite getResponseDefaultInstance(int rpcType) throws RpcException { } @Override - protected Response handle(DataClientConnection connection, int rpcType, ByteBuf pBody, ByteBuf dBody) throws RpcException { + protected void handle(DataClientConnection connection, int rpcType, ByteBuf pBody, ByteBuf dBody, + ResponseSender sender) throws RpcException { throw new UnsupportedOperationException("DataClient is unidirectional by design."); } BufferAllocator getAllocator() { - return allocator; + return config.getAllocator(); } @Override protected void validateHandshake(BitServerHandshake handshake) throws RpcException { if (handshake.getRpcVersion() != DataRpcConfig.RPC_VERSION) { - throw new RpcException(String.format("Invalid rpc version. Expected %d, actual %d.", handshake.getRpcVersion(), DataRpcConfig.RPC_VERSION)); + throw new RpcException(String.format("Invalid rpc version. Expected %d, actual %d.", + handshake.getRpcVersion(), DataRpcConfig.RPC_VERSION)); + } + + if (handshake.getAuthenticationMechanismsCount() != 0) { // remote requires authentication --- End diff -- Same as in ControlClient
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