Repository: hadoop
Updated Branches:
  refs/heads/branch-2 6041fc75d -> 7c429fbaa


Revert "Disable caching for JarURLConnection to avoid sharing JarFile with 
other users when loading resource from URL in Configuration class. Contributed 
by Zhihai Xu"

This reverts commit 7576b4247b9df8e5e39e61e8157d0ac48f55bf30.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/7c429fba
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/7c429fba
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/7c429fba

Branch: refs/heads/branch-2
Commit: 7c429fbaa986f2bc35ad20ceb4e78da174572a7b
Parents: 6041fc7
Author: Zhihai Xu <z...@apache.org>
Authored: Fri Sep 18 10:25:38 2015 -0700
Committer: Zhihai Xu <z...@apache.org>
Committed: Fri Sep 18 10:25:38 2015 -0700

----------------------------------------------------------------------
 hadoop-common-project/hadoop-common/CHANGES.txt          |  4 ----
 .../main/java/org/apache/hadoop/conf/Configuration.java  | 11 +----------
 2 files changed, 1 insertion(+), 14 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/7c429fba/hadoop-common-project/hadoop-common/CHANGES.txt
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diff --git a/hadoop-common-project/hadoop-common/CHANGES.txt 
b/hadoop-common-project/hadoop-common/CHANGES.txt
index 4a495da..d810ddf 100644
--- a/hadoop-common-project/hadoop-common/CHANGES.txt
+++ b/hadoop-common-project/hadoop-common/CHANGES.txt
@@ -270,10 +270,6 @@ Release 2.8.0 - UNRELEASED
     HADOOP-12413. AccessControlList should avoid calling getGroupNames in
     isUserInList with empty groups. (Zhihai Xu via cnauroth)
 
-    HADOOP-12404. Disable caching for JarURLConnection to avoid sharing
-    JarFile with other users when loading resource from URL in Configuration
-    class. (zxu)
-
   OPTIMIZATIONS
 
     HADOOP-11785. Reduce the number of listStatus operation in distcp

http://git-wip-us.apache.org/repos/asf/hadoop/blob/7c429fba/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
----------------------------------------------------------------------
diff --git 
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
 
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
index 8cdae3d..cee17a5 100644
--- 
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
+++ 
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
@@ -34,9 +34,7 @@ import java.io.Reader;
 import java.io.Writer;
 import java.lang.ref.WeakReference;
 import java.net.InetSocketAddress;
-import java.net.JarURLConnection;
 import java.net.URL;
-import java.net.URLConnection;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -2469,14 +2467,7 @@ public class Configuration implements 
Iterable<Map.Entry<String,String>>,
     if (url == null) {
       return null;
     }
-
-    URLConnection connection = url.openConnection();
-    if (connection instanceof JarURLConnection) {
-      // Disable caching for JarURLConnection to avoid sharing JarFile
-      // with other users.
-      connection.setUseCaches(false);
-    }
-    return parse(builder, connection.getInputStream(), url.toString());
+    return parse(builder, url.openStream(), url.toString());
   }
 
   private Document parse(DocumentBuilder builder, InputStream is,

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