The only way to get a NPE in that use would be to have a null return for
getJobClass(). Check it and let us know if that's the case.

[]s
Michael Nascimento Santos
JSR-207 Expert Group Member
http://weblogs.java.net/pub/au/80
htp://www.soujava.org.br

----- Original Message ----- 
From: "Mick Knutson" <[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
Sent: Wednesday, September 24, 2003 10:19 PM
Subject: Re: Quartz error and Struts plugin for struts


> I tried that and here is what I found:
>
> JobDetail(381): return "JobDetail '"
> as listed in the method below:
>
>   public String toString() {
>     return "JobDetail '"
>       + getFullName()
>       + "':  jobClass: '"
>       + getJobClass().getName()
>       + " isStateful: "
>       + isStateful()
>       + " isVolatile: "
>       + isVolatile()
>       + " isDurable: "
>       + isDurable()
>       + " requestsRecovers: "
>       + requestsRecovery();
>   }
>
>
> ---
> Thanks
> Mick Knutson
> http://www.baselogic.com
>
> +001(805) 563-0666 Office
> +001 (708) 570-2772 Fax
> ---
>
> ----- Original Message ----- 
> From: "Joe Germuska" <[EMAIL PROTECTED]>
> To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
> Sent: Wednesday, September 24, 2003 6:08 PM
> Subject: Re: Quartz error and Struts plugin for struts
>
>
> > At 5:45 PM -0700 9/24/03, Mick Knutson wrote:
> > >I have used the example xml excerp from the src, but I don't know what
> would
> > >be wrong with the file, or how to track it further.
> > >Any ideas about where I can go to get help?
> >
> > I'd suggest going straight to the source code, seeing as all the
> > pieces you are using are open source projects.
> >
> > For example:
> >
> > >java.lang.NullPointerException
> > >         at org.quartz.JobDetail.toString(JobDetail.java:381)
> > >         at java.lang.String.valueOf(String.java:2177)
> > >         at java.lang.StringBuffer.append(StringBuffer.java:361)
> > >         at
> > >org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:792)
> > >         at
> >
>
>org.apache.commons.digester.SetPropertiesRule.begin(SetPropertiesRule.java:
> 2
> > >59)
> >
> > Looking in the source for org.apache.commons.beanutils.BeanUtils, I
> > see that line 792 is the call to "log.debug()":
> >
> >          if (log.isDebugEnabled()) {
> >              log.debug("BeanUtils.populate(" + bean + ", " +
> >                      properties + ")");
> >          }
> >
> > So one thing you've discovered is that Quartz has a bug in it's
> > JobDetail.toString() implementation -- it should be doing a null
> > check!  The other thing you see though, is that that's merely a
> > debugging line.  So if you go to your commons-logging configuration
> > and set the logging threshold for
> > org.apache.commons.beanutils.BeanUtils to "INFO" or higher, you'll
> > skip that call all together, and maybe get a little farther.
> >
> > You could also go and look at the code for Quartz and see what values
> > in the JobDetail.toString() might possibly be dereferencing a
> > property or method on a null object; that may help you figure out
> > something that needs to be set, or help you track down some bug in
> > the com.jgsullivan.quartz.SchedulerBuilder and/or
> > com.jgsullivan.quartz.ConfigRuleSet -- I see from a brief look at
> > ConfigRuleSet that Quartz requires some kind of complicated rules
> > because it needs to establish relationships between a JobDetail
> > object and a JobGroupConfig object.
> >
> > At the risk of sounding like a jerk, your posts don't give the
> > impression that you are trying very hard yourself to get to the
> > bottom of these problems.   I can't speak for anyone else, but if all
> > you ever do is post the next stack trace that comes up, I'm
> > personally not likely to put a whole lot more energy into helping you
> > get to the bottom of your problem.  You've got to do some of your own
> > legwork too.
> >
> > Joe
> > -- 
> > Joe Germuska
> > [EMAIL PROTECTED]
> > http://blog.germuska.com
> >   "We want beef in dessert if we can get it there."
> >    -- Betty Hogan, Director of New Product Development, National
> > Cattlemen's Beef Association
> >
> >
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> > For additional commands, e-mail: [EMAIL PROTECTED]
> >
> >
>
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