UninitializedMessageException : Message missing required fields

"UninitializedMessageException : Message missing required fields : region, get", is thrown while performing Get. Due to this all the Get requests to the same Region Server are getting stalled.

com.google.protobuf.UninitializedMessageException: Message missing required fields : region, get
at com.google.protobuf.AbstractMessage$Build.newUninitializedMessageException(AbstractMessage.java:770)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$GetRequest$Builder.build(ClientProtos.java:6377)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$GetRequest$Builder.build(ClientProtos.java:6309)
at org.apache.hadoop.hbase.ipc.RpcServer$Connection.processRequest(RpcServer.java:1840)
at org.apache.hadoop.hbase.ipc.RpcServer$Connection.processOneRpc(RpcServer.java:1775)
at org.apache.hadoop.hbase.ipc.RpcServer$Connection.process(RPcServer.java:1623)
at org.apache.hadoop.hbase.ipc.RpcServer$Connection.readAndProcess(RpcServer.java:1603)
at org.apache.hadoop.hbase.ipc.RpcServer$Listener.doRead(RpcServer.java:861)
at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.doRunLoop(RpcServer.java:643)
at org.apache.hadoop.hbase.ipc.RpcServer$Listener$Reader.run(RpcServer.java:619)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)