HADOOP-4262. Generate better error message when client exception has null

message. (stevel via omalley)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/trunk@700269 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -23,6 +23,9 @@ Trunk (unreleased changes)
     HADOOP-4178. Make the capacity scheduler's default values configurable.
     (Sreekanth Ramakrishnan via omalley)
 
+    HADOOP-4262. Generate better error message when client exception has null
+    message. (stevel via omalley)
+
   OPTIMIZATIONS
 
   BUG FIXES

src/core/org/apache/hadoop/ipc/Client.java

@@ -697,8 +697,7 @@ public class Client {
           throw call.error;
         } else { // local exception
           throw (IOException)new IOException(
-              "Call to "+ addr + " failed on local exception: "
-                      + call.error.getMessage())
+              "Call to "+ addr + " failed on local exception: " + call.error)
                   .initCause(call.error);
         }
       } else {