HADOOP-10107. Server.getNumOpenConnections may throw NPE. Contributed by Kihwal Lee.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1543335 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -439,6 +439,9 @@ Release 2.3.0 - UNRELEASED
 
     HADOOP-10100. MiniKDC shouldn't use apacheds-all artifact. (rkanter via tucu)
 
+    HADOOP-10107. Server.getNumOpenConnections may throw NPE. (Kihwal Lee via
+    jing9)
+
 Release 2.2.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/Server.java

@@ -2109,6 +2109,7 @@ public abstract class Server {
     // Start the listener here and let it bind to the port
     listener = new Listener();
     this.port = listener.getAddress().getPort();    
+    connectionManager = new ConnectionManager();
     this.rpcMetrics = RpcMetrics.create(this);
     this.rpcDetailedMetrics = RpcDetailedMetrics.create(this.port);
     this.tcpNoDelay = conf.getBoolean(
@@ -2117,7 +2118,6 @@ public abstract class Server {
 
     // Create the responder here
     responder = new Responder();
-    connectionManager = new ConnectionManager();
     
     if (secretManager != null) {
       SaslRpcServer.init(conf);