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From szets...@apache.org
Subject svn commit: r995639 - in /hadoop/hdfs/trunk: CHANGES.txt src/java/org/apache/hadoop/hdfs/DFSInputStream.java
Date Fri, 10 Sep 2010 02:04:17 GMT
Author: szetszwo
Date: Fri Sep 10 02:04:17 2010
New Revision: 995639

URL: http://svn.apache.org/viewvc?rev=995639&view=rev
Log:
HDFS-1310. The ClientDatanodeProtocol proxy should be stopped in DFSInputStream.readBlockLength(..).
 Contributed by sam rash

Modified:
    hadoop/hdfs/trunk/CHANGES.txt
    hadoop/hdfs/trunk/src/java/org/apache/hadoop/hdfs/DFSInputStream.java

Modified: hadoop/hdfs/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/hdfs/trunk/CHANGES.txt?rev=995639&r1=995638&r2=995639&view=diff
==============================================================================
--- hadoop/hdfs/trunk/CHANGES.txt (original)
+++ hadoop/hdfs/trunk/CHANGES.txt Fri Sep 10 02:04:17 2010
@@ -249,6 +249,9 @@ Trunk (unreleased changes)
     HDFS-829. hdfsJniHelper.c: #include <error.h> is not portable. 
     (Allen Wittenauer via jghoman)
 
+    HDFS-1310. The ClientDatanodeProtocol proxy should be stopped in
+    DFSInputStream.readBlockLength(..).  (sam rash via szetszwo)
+
 Release 0.21.0 - Unreleased
 
   INCOMPATIBLE CHANGES

Modified: hadoop/hdfs/trunk/src/java/org/apache/hadoop/hdfs/DFSInputStream.java
URL: http://svn.apache.org/viewvc/hadoop/hdfs/trunk/src/java/org/apache/hadoop/hdfs/DFSInputStream.java?rev=995639&r1=995638&r2=995639&view=diff
==============================================================================
--- hadoop/hdfs/trunk/src/java/org/apache/hadoop/hdfs/DFSInputStream.java (original)
+++ hadoop/hdfs/trunk/src/java/org/apache/hadoop/hdfs/DFSInputStream.java Fri Sep 10 02:04:17
2010
@@ -39,6 +39,7 @@ import org.apache.hadoop.hdfs.security.t
 import org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier;
 import org.apache.hadoop.hdfs.server.datanode.ReplicaNotFoundException;
 import org.apache.hadoop.io.IOUtils;
+import org.apache.hadoop.ipc.RPC;
 import org.apache.hadoop.ipc.RemoteException;
 import org.apache.hadoop.net.NetUtils;
 import org.apache.hadoop.security.token.Token;
@@ -146,10 +147,14 @@ public class DFSInputStream extends FSIn
     int replicaNotFoundCount = locatedblock.getLocations().length;
     
     for(DatanodeInfo datanode : locatedblock.getLocations()) {
+      ClientDatanodeProtocol cdp = null;
+      
       try {
-        final ClientDatanodeProtocol cdp = DFSClient.createClientDatanodeProtocolProxy(
-            datanode, dfsClient.conf, dfsClient.socketTimeout, locatedblock);
+        cdp = DFSClient.createClientDatanodeProtocolProxy(
+        datanode, dfsClient.conf, dfsClient.socketTimeout, locatedblock);
+        
         final long n = cdp.getReplicaVisibleLength(locatedblock.getBlock());
+        
         if (n >= 0) {
           return n;
         }
@@ -166,6 +171,10 @@ public class DFSInputStream extends FSIn
           DFSClient.LOG.debug("Failed to getReplicaVisibleLength from datanode "
               + datanode + " for block " + locatedblock.getBlock(), ioe);
         }
+      } finally {
+        if (cdp != null) {
+          RPC.stopProxy(cdp);
+        }
       }
     }
 



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