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From hair...@apache.org
Subject svn commit: r932115 - in /hadoop/common/trunk: CHANGES.txt src/test/core/org/apache/hadoop/fs/TestFileSystemCaching.java
Date Thu, 08 Apr 2010 21:13:59 GMT
Author: hairong
Date: Thu Apr  8 21:13:58 2010
New Revision: 932115

URL: http://svn.apache.org/viewvc?rev=932115&view=rev
Log:
HADOOP-6691. TestFileSystemCaching sometimes hangs. Contributed by Hairong Kuang.

Modified:
    hadoop/common/trunk/CHANGES.txt
    hadoop/common/trunk/src/test/core/org/apache/hadoop/fs/TestFileSystemCaching.java

Modified: hadoop/common/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/CHANGES.txt?rev=932115&r1=932114&r2=932115&view=diff
==============================================================================
--- hadoop/common/trunk/CHANGES.txt (original)
+++ hadoop/common/trunk/CHANGES.txt Thu Apr  8 21:13:58 2010
@@ -312,6 +312,8 @@ Trunk (unreleased changes)
     HADOOP-6680. hadoop-cloud push command invokes proxy creation.
     (Andrew Klochkov via tomwhite)
 
+    HADOOP-6691. TestFileSystemCaching sometimes hangs. (hairong)
+
 Release 0.21.0 - Unreleased
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/trunk/src/test/core/org/apache/hadoop/fs/TestFileSystemCaching.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/src/test/core/org/apache/hadoop/fs/TestFileSystemCaching.java?rev=932115&r1=932114&r2=932115&view=diff
==============================================================================
--- hadoop/common/trunk/src/test/core/org/apache/hadoop/fs/TestFileSystemCaching.java (original)
+++ hadoop/common/trunk/src/test/core/org/apache/hadoop/fs/TestFileSystemCaching.java Thu
Apr  8 21:13:58 2010
@@ -30,9 +30,9 @@ import org.apache.hadoop.security.UserGr
 import org.apache.hadoop.security.token.Token;
 import org.apache.hadoop.security.token.TokenIdentifier;
 import org.junit.Test;
-import java.security.PrivilegedAction;
-import java.security.PrivilegedActionException;
 import java.security.PrivilegedExceptionAction;
+import java.util.concurrent.Semaphore;
+
 import static org.mockito.Mockito.mock;
 
 
@@ -49,11 +49,10 @@ public class TestFileSystemCaching {
   }
 
   public static class InitializeForeverFileSystem extends LocalFileSystem {
+    final static Semaphore sem = new Semaphore(0);
     public void initialize(URI uri, Configuration conf) throws IOException {
       // notify that InitializeForeverFileSystem started initialization
-      synchronized (conf) {
-        conf.notify();
-      }
+      sem.release();
       try {
         while (true) {
           Thread.sleep(1000);
@@ -82,9 +81,8 @@ public class TestFileSystemCaching {
     };
     t.start();
     // wait for InitializeForeverFileSystem to start initialization
-    synchronized (conf) {
-      conf.wait();
-    }
+    InitializeForeverFileSystem.sem.acquire();
+    
     conf.set("fs.cachedfile.impl", conf.get("fs.file.impl"));
     FileSystem.get(new URI("cachedfile://a"), conf);
     t.interrupt();



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