svn merge -c 1512314 from trunk to branch-2.1-beta to fix HADOOP-9672.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2.1-beta@1512317 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -19,6 +19,8 @@ Release 2.1.1-beta - UNRELEASED
 
     HADOOP-9833 move slf4j to version 1.7.5 (Kousuke Saruta via stevel)
 
+    HADOOP-9672. Upgrade Avro dependency to 1.7.4. (sandy via kihwal)
+
   OPTIMIZATIONS
 
   BUG FIXES

hadoop-project/pom.xml

@@ -592,7 +592,7 @@
       <dependency>
         <groupId>org.apache.avro</groupId>
         <artifactId>avro</artifactId>
-        <version>1.5.3</version>
+        <version>1.7.4</version>
       </dependency>
       <dependency>
         <groupId>net.sf.kosmosfs</groupId>