HADOOP-8687. Upgrade log4j to 1.2.17. Contributed by Eli Collins

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1372653 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -81,6 +81,8 @@ Release 2.0.1-alpha - UNRELEASED
     HADOOP-8623. hadoop jar command should respect HADOOP_OPTS.
     (Steven Willis via suresh)
 
+    HADOOP-8687. Upgrade log4j to 1.2.17. (eli)
+
   BUG FIXES
 
     HADOOP-8372. NetUtils.normalizeHostName() incorrectly handles hostname

hadoop-project/pom.xml

@@ -460,7 +460,7 @@
       <dependency>
         <groupId>log4j</groupId>
         <artifactId>log4j</artifactId>
-        <version>1.2.15</version>
+        <version>1.2.17</version>
         <exclusions>
           <exclusion>
             <groupId>com.sun.jdmk</groupId>