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The error is pointing to this line:

	chart.removeAllSeries();

But chart is never null when this line is called, so I don't know what your MASON version is doing.

Try using the SVN repository version next: I suspect you'll have much more success.  If it's still causing problems, I can dig further.

I am also using jcommon-1.0.16 and jfreechart-1.0.13.  That's what I have in the libraries.


Sean

On Mar 28, 2013, at 5:45 PM, Rick Riolo wrote:

> hi sean,
> i'll have to look back to see what i sent..thats what happens when one rushes is the'
> middel of then night.
> 
> i put that file  you sen t into flockers and iit compiled fine, started up seemingly fine,'but when
> i clicked the start/pause or step button, it emittted the error below,
> i dont know if this is right or wong, but the Displays tab only shows flockers, no chart.
> 
> i'm using mason 16 and i tried jfreechart-1.0.14.jar and .13.
> here is one cp i used:
> atached is he flockers i am using.'
> 
> [rlr@tasso flockers]$ export CLASSPATH=.:/1a/opt64/Mason/mason/jfreechart-1.0.14/lib/jfreechart-1.0.14.jar:/1a/opt64/Mason/mason/:
> 
> i tried reversing those and 
> i figure its got to be a version problem,
> 
> could you please send methe classpath you use?
> thanks'
> 
> -r
> 
> [rlr@tasso flockers]$ java FlockersWithUI
> Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
> 	at FlockersWithUI.start(FlockersWithUI.java:52)
> 	at sim.display.Console.startSimulation(Console.java:1432)
> 	at sim.display.Console.pressPause(Console.java:2223)
> 	at sim.display.Console.pressPause(Console.java:2185)
> 	at sim.display.Console$2.actionPerformed(Console.java:303)
> 	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
> 	at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
> 	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
> 	at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
> 	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
> 	at java.awt.Component.processMouseEvent(Component.java:6505)
> 	at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
> 	at java.awt.Component.processEvent(Component.java:6270)
> 	at java.awt.Container.processEvent(Container.java:2229)
> 	at java.awt.Component.dispatchEventImpl(Component.java:4861)
> 	at java.awt.Container.dispatchEventImpl(Container.java:2287)
> 	at java.awt.Component.dispatchEvent(Component.java:4687)
> 	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
> 	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
> 	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
> 	at java.awt.Container.dispatchEventImpl(Container.java:2273)
> 	at java.awt.Window.dispatchEventImpl(Window.java:2719)
> 	at java.awt.Component.dispatchEvent(Component.java:4687)
> 	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:703)
> 	at java.awt.EventQueue.access$000(EventQueue.java:102)
> 	at java.awt.EventQueue$3.run(EventQueue.java:662)
> 	at java.awt.EventQueue$3.run(EventQueue.java:660)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
> 	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
> 	at java.awt.EventQueue$4.run(EventQueue.java:676)
> 	at java.awt.EventQueue$4.run(EventQueue.java:674)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
> 	at java.awt.EventQueue.dispatchEvent(EventQueue.java:673)
> 	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
> 	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
> 	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
> 	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
> 	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
> 	at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)
> 
> 
> Rick Riolo                           [log in to unmask]
> Center for the Study of Complex Systems (CSCS)
> 317b West Hall                
> University of Michigan         Ann Arbor MI 48109-1107
> Phone: 734 763 3323                  Fax: 734 763 9267
> http://cscs.umich.edu/~rlr
> 
> 
> On Thu, Mar 28, 2013 at 10:35 AM, Sean Luke <[log in to unmask]> wrote:
> Rick, I do not see any references to time series or charts in the document you attached.  Perhaps you could send me your whole project as a tarball (minus MASON proper), and I could look into it.
> 
> I looked back in the archive to try to find what you're referring to threadwise, but all I found was a thread called "Creating Charts in Mason v15".  Just did some slight hacks to the code the poster had submitted, in order to update the code to compile for the current version of MASON.  And it seems to work well.  Here's the code: (drop it in to mason/app/flockers)
> 
>  
> 
> 
> Perhaps this might be of use to you.  Note that it's not my code, but it seems to work to me.
> 
> On Mar 28, 2013, at 3:57 AM, Rick Riolo wrote:
> 
> > i and some of m  sturfrnts ae tryig to add times series displays following
> > the instructions on thehow to page,  we all worked independently, but we all ended in the
> > same  placce, wirh complainta about depreated methods and the chart not appearing ina thread
> > from 2011, which seemed to end with ni resolution,
> >
> > so, does any oneknow how to make it work?
> > we are using mason 16, jfreechart-1.0.13.jar
> >
> >
> > attached is m y GUI
> >
> > thanks in advance
> >
> >
> > Rick Riolo                           [log in to unmask]
> > Center for the Study of Complex Systems (CSCS)
> > 317b West Hall
> > University of Michigan         Ann Arbor MI 48109-1107
> > Phone: 734 763 3323                  Fax: 734 763 9267
> > http://cscs.umich.edu/~rlr
> 
> 
>