This sort of thing can happen for GUI code that invoked outside the Swing event thread. How is this being invoked? If it's just from the menu, then I presume it is in the Swing event thread...
Edward On 2/14/12 11:29 AM, Daniel Crawl wrote:
Hi Daren, I get the same behavior with Windows 7. The error is the same for both "Listen to Actor" and editing a Python script: java.lang.NullPointerException at ptolemy.actor.gui.TextEditor.getBackground(TextEditor.java:144) at java.awt.Window.setBackground(Unknown Source) at java.awt.Frame.setBackground(Unknown Source) at ptolemy.gui.Top.access$1001(Top.java:141) at ptolemy.gui.Top$SetBackgroundRunnable.run(Top.java:1889) at ptolemy.gui.Top.deferIfNecessary(Top.java:247) at ptolemy.gui.Top.setBackground(Top.java:501) at ptolemy.actor.gui.TextEditor.setBackground(TextEditor.java:238) ... Christopher, do you know what causes this? Thanks, --dan On 2/8/12 4:28 AM, Daren Thomas wrote:I can use "Listen to Actor" for Kepler 2.3 on Mac OS X, but not under Windows. When I select the option from the context menu, nothing happens. Also, when I try to edit a script for the Python actor, I get an error message "Failed to open a dialog to edit the target (null)" - this doesn't bother me ATM, but I guess I should mention it, as it could be an additional symptom of a wrongly configured system. I installed Kepler 2.3 on Windows with the installer provided on the website. It seems "all" questions in the users list refer to compiling your own version/environment. Is that the way to go? Regards, Daren Thomas _______________________________________________ Kepler-users mailing list [email protected] http://lists.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-users_______________________________________________ Kepler-users mailing list [email protected] http://lists.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-users
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