SPARK-1693: Most of the tests throw a java.lang.SecurityException when spark built for hadoop 2.3.0 , 2.4.0

Author: witgo

pom.xml

@@ -594,6 +594,10 @@
             <groupId>org.jboss.netty</groupId>
             <artifactId>netty</artifactId>
           </exclusion>
+          <exclusion>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+          </exclusion>
         </exclusions>
       </dependency>
 
@@ -614,6 +618,10 @@
             <groupId>org.jboss.netty</groupId>
             <artifactId>netty</artifactId>
           </exclusion>
+          <exclusion>
+            <groupId>javax.servlet</groupId>
+            <artifactId>servlet-api</artifactId>
+          </exclusion>
         </exclusions>
       </dependency>
       <dependency>