From eff9b82421df9f654f021b5a0d485b0a7c4e50bb Mon Sep 17 00:00:00 2001
From: ramkrishna <ramkrishna@unknown>
Date: Fri, 22 Feb 2013 16:24:36 +0000
Subject: [PATCH] HBASE-7866 -
 TestSplitTransactionOnCluster.testSplitBeforeSettingSplittingInZK failed 3
 times in a row (Ram)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1449101 13f79535-47bb-0310-9956-ffa450edef68
---
 .../TestSplitTransactionOnCluster.java        | 28 +++++++++++++++++--
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java
index d7c34406930..fb4e9f27912 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSplitTransactionOnCluster.java
@@ -743,15 +743,31 @@ public class TestSplitTransactionOnCluster {
           @Override
           int createNodeSplitting(ZooKeeperWatcher zkw, HRegionInfo region, ServerName serverName)
               throws KeeperException, IOException {
-            throw new IOException();
+            throw new SplittingNodeCreationFailedException ();
           }
         };
       }
+      String node = ZKAssign.getNodeName(regionServer.getZooKeeper(), regions.get(0)
+          .getRegionInfo().getEncodedName());
+      regionServer.getZooKeeper().sync(node);
+      for (int i = 0; i < 100; i++) {
+        // We expect the znode to be deleted by this time. Here the
+        // znode could be in OPENED state and the
+        // master has not yet deleted the znode.
+        if (ZKUtil.checkExists(regionServer.getZooKeeper(), node) != -1) {
+          Thread.sleep(100);
+        }
+      }
       try {
         st.execute(regionServer, regionServer);
       } catch (IOException e) {
-        String node = ZKAssign.getNodeName(regionServer.getZooKeeper(), regions.get(0)
-            .getRegionInfo().getEncodedName());
+        // check for the specific instance in case the Split failed due to the
+        // existence of the znode in OPENED state.
+        // This will at least make the test to fail;
+        assertTrue("Should be instance of CreateSplittingNodeFailedException",
+            e instanceof SplittingNodeCreationFailedException );
+        node = ZKAssign.getNodeName(regionServer.getZooKeeper(), regions.get(0).getRegionInfo()
+            .getEncodedName());
         {
           assertTrue(ZKUtil.checkExists(regionServer.getZooKeeper(), node) == -1);
         }
@@ -979,5 +995,11 @@ public class TestSplitTransactionOnCluster {
     }
   }
 
+  private static class SplittingNodeCreationFailedException  extends IOException {
+    public SplittingNodeCreationFailedException () {
+      super();
+    }
+  }
+
 }