Added info about plugin that failed to load.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@7981 b35dd754-fafc-0310-a699-88a17e54d16e

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

@@ -17,10 +17,10 @@ import org.dom4j.Element;
 import org.dom4j.io.SAXReader;
 import org.jivesoftware.admin.AdminConsole;
 import org.jivesoftware.database.DbConnectionManager;
+import org.jivesoftware.openfire.XMPPServer;
 import org.jivesoftware.util.LocaleUtils;
 import org.jivesoftware.util.Log;
 import org.jivesoftware.util.Version;
-import org.jivesoftware.openfire.XMPPServer;
 
 import java.io.*;
 import java.util.*;
@@ -463,7 +463,7 @@ public class PluginManager {
             }
         }
         catch (Throwable e) {
-            Log.error("Error loading plugin", e);
+            Log.error("Error loading plugin: " + pluginDir, e);
         }
     }