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Subject: svn commit: r1102418 - in /hbase/branches/0.90: CHANGES.txt
 src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java
Date: Thu, 12 May 2011 18:47:59 -0000
To: commits@hbase.apache.org
From: stack@apache.org
Message-Id: <20110512184759.7AC6323889EA@eris.apache.org>

Author: stack
Date: Thu May 12 18:47:59 2011
New Revision: 1102418

URL: http://svn.apache.org/viewvc?rev=1102418&view=rev
Log:
HBASE-3878 Hbase client throws NoSuchElementException

Modified:
    hbase/branches/0.90/CHANGES.txt
    hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java

Modified: hbase/branches/0.90/CHANGES.txt
URL: http://svn.apache.org/viewvc/hbase/branches/0.90/CHANGES.txt?rev=1102418&r1=1102417&r2=1102418&view=diff
==============================================================================
--- hbase/branches/0.90/CHANGES.txt (original)
+++ hbase/branches/0.90/CHANGES.txt Thu May 12 18:47:59 2011
@@ -3,6 +3,7 @@ Release 0.90.4 - Unreleased
   BUG FIXES
     HBASE-3617 NoRouteToHostException during balancing will cause Master abort
                (Ted Yu)
+    HBASE-3878 Hbase client throws NoSuchElementException (Ted Yu)
 
 Release 0.90.3 - Unreleased
   BUG FIXES

Modified: hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java
URL: http://svn.apache.org/viewvc/hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java?rev=1102418&r1=1102417&r2=1102418&view=diff
==============================================================================
--- hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java (original)
+++ hbase/branches/0.90/src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java Thu May 12 18:47:59 2011
@@ -26,6 +26,7 @@ import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.NoSuchElementException;
 import java.util.Map.Entry;
 import java.util.Set;
 import java.util.TreeSet;
@@ -833,8 +834,12 @@ public class HConnectionManager {
       // we need to examine the cached location to verify that it is
       // a match by end key as well.
       if (!matchingRegions.isEmpty()) {
-        HRegionLocation possibleRegion =
-          matchingRegions.get(matchingRegions.lastKey());
+        HRegionLocation possibleRegion = null;
+        try {
+          possibleRegion = matchingRegions.get(matchingRegions.lastKey());          
+        } catch (NoSuchElementException nsee) {
+          LOG.warn("checkReferences() might have removed the key", nsee);
+        }
 
         // there is a possibility that the reference was garbage collected
         // in the instant since we checked isEmpty().