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HADOOP-6269. Fix threading issue with defaultResource in Configuration.

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Contributed by Sreekanth Ramakrishnan


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@882831 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Christopher Douglas 2009-11-21 04:22:02 +00:00
parent bd92322d22
commit 09ec9c4ffc
2 changed files with 7 additions and 3 deletions
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3
CHANGES.txt
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@ -1181,6 +1181,9 @@ Release 0.20.2 - Unreleased
count at the start of each block in Hadoop archives. (Ben Slusky, Tom
White, and Mahadev Konar via cdouglas)
HADOOP-6269. Fix threading issue with defaultResource in Configuration.
(Sreekanth Ramakrishnan via cdouglas)
Release 0.20.1 - 2009-09-01
INCOMPATIBLE CHANGES

7
src/java/org/apache/hadoop/conf/Configuration.java
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@ -44,6 +44,7 @@
import java.util.Set;
import java.util.StringTokenizer;
import java.util.WeakHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -168,8 +169,8 @@ public class Configuration implements Iterable<Map.Entry<String,String>>,
* List of default Resources. Resources are loaded in the order of the list
* entries
*/
private static final ArrayList<String> defaultResources =
new ArrayList<String>();
private static final CopyOnWriteArrayList<String> defaultResources =
new CopyOnWriteArrayList<String>();
private static final Map<ClassLoader, Map<String, Class<?>>>
CACHE_CLASSES = new WeakHashMap<ClassLoader, Map<String, Class<?>>>();
@ -1685,7 +1686,7 @@ public String toString() {
return sb.toString();
}
private void toString(ArrayList resources, StringBuffer sb) {
private void toString(List resources, StringBuffer sb) {
ListIterator i = resources.listIterator();
while (i.hasNext()) {
if (i.nextIndex() != 0) {