org.apache.hadoop.yarn.util.ApplicationClassLoader.load.patch

--- ./hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ApplicationClassLoader.java	2015-04-06 15:11:21.000000000 -0700
+++ ./hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/ApplicationClassLoader.java.load	2015-04-06 15:11:35.000000000 -0700
@@ -116,6 +116,14 @@
       if (LOG.isDebugEnabled()) {
         LOG.debug("getResource("+name+")=" + url);
       }
+    } else if (!isSystemClass(name, systemClasses)) {
+      url= findResource(name);
+      if (url == null && name.startsWith("/")) {
+        if (LOG.isDebugEnabled()) {
+          LOG.debug("Remove leading / off " + name);
+        }
+        url= findResource(name.substring(1));
+      }
     }
     
     return url;