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From aengin...@apache.org
Subject [13/50] [abbrv] hadoop git commit: HDFS-8915. TestFSNamesystem.testFSLockGetWaiterCount fails intermittently. Contributed by Masatake Iwasaki.
Date Thu, 01 Sep 2016 15:50:09 GMT
HDFS-8915. TestFSNamesystem.testFSLockGetWaiterCount fails intermittently. Contributed by Masatake
Iwasaki.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/13fb1b50
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/13fb1b50
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/13fb1b50

Branch: refs/heads/HDFS-7240
Commit: 13fb1b50e608558b2970184908ee5b9fcd7eb7b6
Parents: 46e02ab
Author: Kihwal Lee <kihwal@apache.org>
Authored: Fri Aug 26 09:51:32 2016 -0500
Committer: Kihwal Lee <kihwal@apache.org>
Committed: Fri Aug 26 09:53:10 2016 -0500

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 .../hdfs/server/namenode/TestFSNamesystem.java       | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/13fb1b50/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSNamesystem.java
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSNamesystem.java
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSNamesystem.java
index b9a2d15..572b40d 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSNamesystem.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSNamesystem.java
@@ -30,6 +30,7 @@ import java.net.InetAddress;
 import java.net.URI;
 import java.util.Collection;
 
+import com.google.common.base.Supplier;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileStatus;
 import org.apache.hadoop.fs.FileUtil;
@@ -56,6 +57,7 @@ import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
+import java.util.concurrent.TimeoutException;
 
 public class TestFSNamesystem {
 
@@ -271,9 +273,16 @@ public class TestFSNamesystem {
     }
 
     latch.await();
-    Thread.sleep(10); // Lets all threads get BLOCKED
-    Assert.assertEquals("Expected number of blocked thread not found",
-                        threadCount, rwLock.getQueueLength());
+    try {
+      GenericTestUtils.waitFor(new Supplier<Boolean>() {
+        @Override
+        public Boolean get() {
+          return (threadCount == rwLock.getQueueLength());
+        }
+      }, 10, 1000);
+    } catch (TimeoutException e) {
+      fail("Expected number of blocked thread not found");
+    }
   }
 
   /**


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