... except such a method is already in the Functions class.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@9888 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/PluginManager.java

@@ -234,9 +234,7 @@ public final class PluginManager extends AbstractModelObject {
         }
 
         public String getExceptionString() {
-            StringWriter sw = new StringWriter();
-            cause.printStackTrace(new PrintWriter(sw));
-            return sw.toString();
+            return Functions.printThrowable(cause);
         }
     }
 }