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Posted to common-commits@hadoop.apache.org by cu...@apache.org on 2006/09/13 01:47:56 UTC
svn commit: r442759 - in /lucene/hadoop/trunk: CHANGES.txt
src/java/org/apache/hadoop/dfs/DataStorage.java
Author: cutting
Date: Tue Sep 12 16:47:56 2006
New Revision: 442759
URL: http://svn.apache.org/viewvc?view=rev&rev=442759
Log:
HADOOP-526. Fix a NullPointerException when attempting to start two datanodes in the same directory. Contributed by Milind.
Modified:
lucene/hadoop/trunk/CHANGES.txt
lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/DataStorage.java
Modified: lucene/hadoop/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/CHANGES.txt?view=diff&rev=442759&r1=442758&r2=442759
==============================================================================
--- lucene/hadoop/trunk/CHANGES.txt (original)
+++ lucene/hadoop/trunk/CHANGES.txt Tue Sep 12 16:47:56 2006
@@ -13,6 +13,9 @@
3. HADOOP-521. Fix another NullPointerException finding the
ClassLoader when using libhdfs. (omalley via cutting)
+ 4. HADOOP-526. Fix a NullPointerException when attempting to start
+ two datanodes in the same directory. (Milind Bhandarkar via cutting)
+
Release 0.6.0 - 2006-08-08
Modified: lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/DataStorage.java
URL: http://svn.apache.org/viewvc/lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/DataStorage.java?view=diff&rev=442759&r1=442758&r2=442759
==============================================================================
--- lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/DataStorage.java (original)
+++ lucene/hadoop/trunk/src/java/org/apache/hadoop/dfs/DataStorage.java Tue Sep 12 16:47:56 2006
@@ -35,6 +35,9 @@
private ArrayList storageFiles = new ArrayList();
private ArrayList storageLocks = new ArrayList();
+ // cache away the names of all passed in dirs
+ private File[] origDirs = null;
+
// cache away the names of locked dirs
private File[] dirs = null;
@@ -65,6 +68,7 @@
*/
public DataStorage( int curVersion, File[] dataDirs ) throws IOException {
this.version = curVersion;
+ this.origDirs = dataDirs;
for (int idx = 0; idx < dataDirs.length; idx++) {
storageFiles.add(idx, new RandomAccessFile(
new File(dataDirs[idx], STORAGE_INFO_FILE_NAME ),
@@ -129,7 +133,7 @@
FileLock lock = file.getChannel().tryLock();
if (lock == null) {
// log a warning
- LOG.warn("Cannot lock storage file in directory "+dirs[idx].getName());
+ LOG.warn("Cannot lock storage file in directory "+origDirs[idx].getName());
// remove the file from fileList, and close it
storageFiles.add(idx, null);
file.close();