fixed a bug which causes NullPointerException in JmxMonitor on some p…

…latforms.
rantav · Oct 31, 2011 · 4be28e7 · 4be28e7
1 parent 6cf430f
commit 4be28e7
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/core/src/main/java/me/prettyprint/cassandra/service/JmxMonitor.java b/core/src/main/java/me/prettyprint/cassandra/service/JmxMonitor.java
@@ -96,7 +96,10 @@ private String getUniqueClassloaderIdentifier() {
    * @return A string representing the current context path or null if it cannot be determined.
    */
   private String getContextPath() {
-    URL url = getClass().getClassLoader().getResource("/");
+    ClassLoader loader = getClass().getClassLoader();
+    if(loader == null)
+     return null;
+    URL url = loader.getResource("/");
     if (url != null) {
       String[] elements = url.toString().split("/");
       for (int i = elements.length - 1; i > 0; --i) {