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Posted to hdfs-commits@hadoop.apache.org by el...@apache.org on 2012/06/04 21:37:57 UTC

svn commit: r1346106 - in /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs: CHANGES.txt src/main/java/org/apache/hadoop/hdfs/server/namenode/GetImageServlet.java

Author: eli
Date: Mon Jun  4 19:37:56 2012
New Revision: 1346106

URL: http://svn.apache.org/viewvc?rev=1346106&view=rev
Log:
HDFS-3501. Checkpointing with security enabled will stop working after ticket lifetime expires. Contributed by Aaron T. Myers

Modified:
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
    hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/GetImageServlet.java

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt?rev=1346106&r1=1346105&r2=1346106&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt Mon Jun  4 19:37:56 2012
@@ -301,6 +301,9 @@ Release 2.0.1-alpha - UNRELEASED
     HDFS-3442. Incorrect count for Missing Replicas in FSCK report. (Andrew
     Wang via atm)
 
+    HDFS-3501. Checkpointing with security enabled will stop working
+    after ticket lifetime expires. (atm via eli)
+
 Release 2.0.0-alpha - UNRELEASED
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/GetImageServlet.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/GetImageServlet.java?rev=1346106&r1=1346105&r2=1346106&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/GetImageServlet.java (original)
+++ hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/GetImageServlet.java Mon Jun  4 19:37:56 2012
@@ -160,6 +160,11 @@ public class GetImageServlet extends Htt
                 return null;
               }
               
+              // We may have lost our ticket since last checkpoint, log in again, just in case
+              if (UserGroupInformation.isSecurityEnabled()) {
+                UserGroupInformation.getCurrentUser().reloginFromKeytab();
+              }
+              
               // issue a HTTP get request to download the new fsimage 
               MD5Hash downloadImageDigest =
                 TransferFsImage.downloadImageToStorage(