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Posted to commits@hbase.apache.org by st...@apache.org on 2008/06/26 05:29:02 UTC

svn commit: r671711 - in /hadoop/hbase/trunk: CHANGES.txt src/java/org/apache/hadoop/hbase/regionserver/HLog.java

Author: stack
Date: Wed Jun 25 20:29:02 2008
New Revision: 671711

URL: http://svn.apache.org/viewvc?rev=671711&view=rev
Log:
HBASE-709 Deadlock while rolling WAL-log while finishing flush 

Modified:
    hadoop/hbase/trunk/CHANGES.txt
    hadoop/hbase/trunk/src/java/org/apache/hadoop/hbase/regionserver/HLog.java

Modified: hadoop/hbase/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/hbase/trunk/CHANGES.txt?rev=671711&r1=671710&r2=671711&view=diff
==============================================================================
--- hadoop/hbase/trunk/CHANGES.txt (original)
+++ hadoop/hbase/trunk/CHANGES.txt Wed Jun 25 20:29:02 2008
@@ -67,6 +67,7 @@
    HBASE-701   Showing bytes in log when should be String
    HBASE-702   deleteall doesn't
    HBASE-704   update new shell docs and commands on help menu
+   HBASE-709   Deadlock while rolling WAL-log while finishing flush
    
    
   IMPROVEMENTS

Modified: hadoop/hbase/trunk/src/java/org/apache/hadoop/hbase/regionserver/HLog.java
URL: http://svn.apache.org/viewvc/hadoop/hbase/trunk/src/java/org/apache/hadoop/hbase/regionserver/HLog.java?rev=671711&r1=671710&r2=671711&view=diff
==============================================================================
--- hadoop/hbase/trunk/src/java/org/apache/hadoop/hbase/regionserver/HLog.java (original)
+++ hadoop/hbase/trunk/src/java/org/apache/hadoop/hbase/regionserver/HLog.java Wed Jun 25 20:29:02 2008
@@ -393,23 +393,21 @@
         try {
       	  this.writer.append(logKey, logEdit);
       	} catch (IOException e) {
-      	  LOG.error("Could not append to log. Opening new log. Exception: ", e);
-          rollWriter();
-          try {
-            this.writer.append(logKey, logEdit);
-          } catch (IOException e2) { 
-            LOG.fatal("Could not append to log the second time because " + 
-              e2.toString() + ", aborting.");
-            throw e2;
-          }
+          LOG.fatal("Could not append. Requesting close of log", e);
+          requestLogRoll();
+          throw e;
       	}
         this.numEntries++;
       }
     }
     if (this.numEntries > this.maxlogentries) {
-      if (listener != null) {
-        listener.logRollRequested();
-      }
+        requestLogRoll();
+    }
+  }
+
+  private void requestLogRoll() {
+    if (this.listener != null) {
+      this.listener.logRollRequested();
     }
   }