minor bugfix: cause may be null

This commit is contained in:
fros4943 2010-03-19 12:34:03 +00:00
parent aa41f9218a
commit c71b5b60d0

View file

@ -24,7 +24,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: GUI.java,v 1.165 2010/03/19 11:32:59 fros4943 Exp $
* $Id: GUI.java,v 1.166 2010/03/19 12:34:03 fros4943 Exp $
*/
package se.sics.cooja;
@ -1651,13 +1651,13 @@ public class GUI extends Observable {
GUI.showErrorDialog(GUI.getTopParentContainer(), "Error when starting plugin", ex, false);
} else {
/* If the plugin requires visualization, inform user */
Throwable cause = ex.getCause();
Throwable cause = ex;
do {
if (cause instanceof PluginRequiresVisualizationException) {
logger.info("Visualized plugin was not started: " + pluginClass);
return null;
}
} while ((cause=cause.getCause()) != null);
} while (cause != null && (cause=cause.getCause()) != null);
logger.fatal("Error when starting plugin", ex);
}