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HDFS-4982. JournalNode should relogin from keytab before fetching logs from other JNs. Contributed by Todd Lipcon. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1502683 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2013-07-12 20:44:50 +00:00
parent c7bf3e4ad8
commit ce5acc180b
2 changed files with 9 additions and 0 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -39,6 +39,9 @@ Release 2.1.1-beta - UNRELEASED
BUG FIXES
HDFS-4982. JournalNode should relogin from keytab before fetching logs
from other JNs (todd)
Release 2.1.0-beta - 2013-07-02
INCOMPATIBLE CHANGES

6
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/qjournal/server/Journal.java
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@ -57,6 +57,7 @@ import org.apache.hadoop.hdfs.util.PersistentLongFile;
import org.apache.hadoop.io.IOUtils;
import org.apache.hadoop.ipc.Server;
import org.apache.hadoop.security.SecurityUtil;
import org.apache.hadoop.security.UserGroupInformation;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Charsets;
@ -855,6 +856,11 @@ class Journal implements Closeable {
new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws IOException {
// We may have lost our ticket since last checkpoint, log in again, just in case
if (UserGroupInformation.isSecurityEnabled()) {
UserGroupInformation.getCurrentUser().checkTGTAndReloginFromKeytab();
}
boolean success = false;
try {
TransferFsImage.doGetUrl(url, localPaths, storage, true);