Set context class loader to be plugin class loader when initializing plugin. JM-1055

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@8201 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/openfire/container/PluginManager.java

@@ -412,7 +412,10 @@ public class PluginManager {
                 }
 
                 // Init the plugin.
+                ClassLoader oldLoader = Thread.currentThread().getContextClassLoader();
+                Thread.currentThread().setContextClassLoader(pluginLoader);
                 plugin.initializePlugin(this, pluginDir);
+                Thread.currentThread().setContextClassLoader(oldLoader);
 
                 // If there a <adminconsole> section defined, register it.
                 Element adminElement = (Element)pluginXML.selectSingleNode("/plugin/adminconsole");