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minor bugfix: cause may be null

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This commit is contained in:
fros4943 2010-03-19 12:34:03 +00:00
parent aa41f9218a
commit c71b5b60d0
1 changed files with 3 additions and 3 deletions
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6
tools/cooja/java/se/sics/cooja/GUI.java
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@ -24,7 +24,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * 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; package se.sics.cooja;
@ -1651,13 +1651,13 @@ public class GUI extends Observable {
GUI.showErrorDialog(GUI.getTopParentContainer(), "Error when starting plugin", ex, false); GUI.showErrorDialog(GUI.getTopParentContainer(), "Error when starting plugin", ex, false);
} else { } else {
/* If the plugin requires visualization, inform user */ /* If the plugin requires visualization, inform user */
Throwable cause = ex.getCause(); Throwable cause = ex;
do { do {
if (cause instanceof PluginRequiresVisualizationException) { if (cause instanceof PluginRequiresVisualizationException) {
logger.info("Visualized plugin was not started: " + pluginClass); logger.info("Visualized plugin was not started: " + pluginClass);
return null; return null;
} }
} while ((cause=cause.getCause()) != null); } while (cause != null && (cause=cause.getCause()) != null);
logger.fatal("Error when starting plugin", ex); logger.fatal("Error when starting plugin", ex);
} }