HADOOP-6833. IPC leaks call parameters when exceptions thrown. Contributed by Todd Lipcon.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.21@990001 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -7,6 +7,9 @@ Release 0.21.1 - Unreleased
     HADOOP-6925. BZip2Codec incorrectly implements read(). 
     (Todd Lipcon via Eli Collins)
 
+    HADOOP-6833. IPC leaks call parameters when exceptions thrown.
+    (Todd Lipcon via Eli Collins)
+
 Release 0.21.0 - 2010-08-13
 
   INCOMPATIBLE CHANGES

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

@@ -677,6 +677,7 @@ public class Client {
         } else if (state == Status.ERROR.state) {
           call.setException(new RemoteException(WritableUtils.readString(in),
                                                 WritableUtils.readString(in)));
+          calls.remove(id);
         } else if (state == Status.FATAL.state) {
           // Close the connection
           markClosed(new RemoteException(WritableUtils.readString(in),