On Thursday 02 August 2007 17:06, Gabriel Mateescu wrote:
Hi Gabriel,
great work! When I disable the (de)bugging it works.
This should be fixed in the Globus Toolkit Advisories for 4.0.5
Best wishes,
Thomas
> Hello,
>
>
> There are two bugs in the Globus code which are the cause
> of this behavior (but they can be avoided, see below):
>
>
> 1. First, the error message
>
> Unhandled exception during execution of
> org.globus.mds.usefulrp.glue.GangliaElementProducer
>
> is erroneous because it indicates the wrong class name. The
> message comes from the method
> timerExpired in ResourcePropertyProviderTask.java, which
> contains this code fragment:
>
> try
> {
> result = this.producer.getElement(this.trimmedArgs);
> this.listener.executionPerformed(result);
> }
> catch (Exception e)
> {
> logger.error("Unhandled exception during execution of " +
> config.getClassName() + ": " + e);
> ....
> }
>
> The bug here is that config.getClassName() will report always
>
> org.globus.mds.usefulrp.glue.GangliaElementProducer
>
> which provides the getElement method, but the exception can
> be also thrown by
> the method executionPerfomed() which is in the class
> TransformElementListener.java.
> In this case, the exception is in fact thrown by
> executionPerfomed().
>
>
>
> 2. Second, the method executionPerformed() in
> TransformElementListener.java
> is the one that throws the exception, and it does so because
> this.transformArgs
> is null. However, this.transformArgs is not an argument to
> this method, but it is
> set in the TransformElementListener constructor, and it is not
> clear why
> it is null: is it because of a missing parameter in some
> configuration
> file, or is it a bug in the code that invokes the constructor?
>
>
>
> 3. Third, the method executionPerformed() in
> TransformElementListener.java
> invokes transformElement() in GLUEComputeElementTransform.java
> which contains this code
>
> if (logger.isDebugEnabled()) {
> logger.debug(
> "Successfully deserialized transform input into
> ClusterCollectionType object: " +
> ObjectSerializer.toString(clusters));
> }
>
>
> When debugging is enabled, the logging at point 3 throws an
> exception.
>
>
> So the bugs are at (1) and (3).
>
>
> Thomas: Please disable debugging and see if it works.
>
>
> Gabriel
>
> On Aug 2, 2007, at 10:02 AM, Thomas Bruesemeister wrote:
> > Again, the Ganglia information appears in the container.log but not
> > in the services.
> >
> > I guess this issue is related to:
> >
> > 2007-08-02 09:45:35,716 ERROR
> > rpprovider.ResourcePropertyProviderTask [Timer-4,timerExpired:159]
> > Unhandled exception during execution of
> > org.globus.mds.usefulrp.glue.GangliaElementProducer :
> > java.lang.IllegalArgumentException: Argument name is null
> >
> > Any ideas whats going wrong here?
> >
> > Best wishes,
> > Thomas
