Sun classloaders typically have very bad toString methods. Others (for example, IDM classloaders) output useful information. Added toString call which may be very useful in the latter case.

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/logging/trunk@377189 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/logging/LogFactory.java

@@ -1377,6 +1377,10 @@ public abstract class LogFactory {
         logDiagnostic(
             "[ENV] Class " + className + " was loaded via classloader "
             + objectId(classLoader));
+        if (classLoader != null) {
+            final String classLoaderString = classLoader.toString();
+            logDiagnostic("[ENV] " + objectId(classLoader) + " == '" + classLoaderString + "'");
+        }
         
         try {
             systemClassLoader = ClassLoader.getSystemClassLoader();
@@ -1385,7 +1389,6 @@ public abstract class LogFactory {
                 "[ENV] Security forbids determining the system classloader.");
             return;
         }        
-
         if (classLoader != null) {
             StringBuffer buf = new StringBuffer("[ENV] ClassLoader tree:");
             for(;;) {