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From hair...@apache.org
Subject svn commit: r824957 - in /hadoop/common/branches/branch-0.20: CHANGES.txt src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
Date Tue, 13 Oct 2009 22:26:50 GMT
Author: hairong
Date: Tue Oct 13 22:26:49 2009
New Revision: 824957

URL: http://svn.apache.org/viewvc?rev=824957&view=rev
Log:
HDFS-686. NullPointerException is thrown while merging edit log and image. Contributed by
Hairong Kuang.

Modified:
    hadoop/common/branches/branch-0.20/CHANGES.txt
    hadoop/common/branches/branch-0.20/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java

Modified: hadoop/common/branches/branch-0.20/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20/CHANGES.txt?rev=824957&r1=824956&r2=824957&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.20/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.20/CHANGES.txt Tue Oct 13 22:26:49 2009
@@ -17,6 +17,9 @@
     values of new configuration variables when deprecated variables are
     disabled. (Sreekanth Ramakrishnan via yhemanth)
 
+    HDFS-686. NullPointerException is thrown while merging edit log and image.
+    (hairong)
+
 Release 0.20.1 - 2009-09-01
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/branches/branch-0.20/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java?rev=824957&r1=824956&r2=824957&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.20/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
(original)
+++ hadoop/common/branches/branch-0.20/src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
Tue Oct 13 22:26:49 2009
@@ -759,7 +759,7 @@
     if (length < 0) {
       throw new IOException("Negative length is not supported. File: " + src );
     }
-    final LocatedBlocks ret = getBlockLocationsInternal(src, dir.getFileINode(src),
+    final LocatedBlocks ret = getBlockLocationsInternal(src, 
         offset, length, Integer.MAX_VALUE, doAccessTime);  
     if (auditLog.isInfoEnabled()) {
       logAuditEvent(UserGroupInformation.getCurrentUGI(),
@@ -770,12 +770,12 @@
   }
 
   private synchronized LocatedBlocks getBlockLocationsInternal(String src,
-                                                       INodeFile inode,
                                                        long offset, 
                                                        long length,
                                                        int nrBlocksToReturn,
                                                        boolean doAccessTime) 
                                                        throws IOException {
+    INodeFile inode = dir.getFileINode(src);
     if(inode == null) {
       return null;
     }



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