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via Google Groups by Arthur Chan, 2 years ago
com.google.protobuf.ProtocolStringList: 	at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$AddBlockRequestProto.getSerializedSize(ClientNamenodeProtocolProtos.java:13584)	at com.google.protobuf.AbstractMessageLite.writeDelimitedTo(AbstractMessageLite.java:84)	at org.apache.hadoop.ipc.ProtobufRpcEngine$RpcMessageWithHeader.write(ProtobufRpcEngine.java:335)	at org.apache.hadoop.ipc.Client$Connection.sendRpcRequest(Client.java:1011)	at org.apache.hadoop.ipc.Client.call(Client.java:1441)	at org.apache.hadoop.ipc.Client.call(Client.java:1399)	at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)