Public bug reported:
I don't know if it's sun-java specific, but it seems like it. Weka in
any version used to work ok on dapper and works ok on other boxes. On my
edgy after upgrade, I get:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
weka.gui.explorer.PreprocessPanel.addPropertyChangeListener(Unknown
Source)
javax.swing.plaf.synth.SynthPanelUI.installListeners(SynthPanelUI.java:49)
javax.swing.plaf.synth.SynthPanelUI.installUI(SynthPanelUI.java:38)
javax.swing.JComponent.setUI(JComponent.java:652)
javax.swing.JPanel.setUI(JPanel.java:131)
javax.swing.JPanel.updateUI(JPanel.java:104)
javax.swing.JPanel.<init>(JPanel.java:64)
javax.swing.JPanel.<init>(JPanel.java:87)
javax.swing.JPanel.<init>(JPanel.java:95)
weka.gui.explorer.PreprocessPanel.<init>(Unknown Source)
weka.gui.explorer.Explorer.<init>(Unknown Source)
weka.gui.GUIChooser$2.actionPerformed(Unknown Source)
java.awt.Button.processActionEvent(Button.java:388)
java.awt.Button.processEvent(Button.java:356)
java.awt.Component.dispatchEventImpl(Component.java:3955)
java.awt.Component.dispatchEvent(Component.java:3803)
java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
at weka.gui.explorer.PreprocessPanel.addPropertyChangeListener(Unknown
Source)
at
javax.swing.plaf.synth.SynthPanelUI.installListeners(SynthPanelUI.java:49)
at javax.swing.plaf.synth.SynthPanelUI.installUI(SynthPanelUI.java:38)
at javax.swing.JComponent.setUI(JComponent.java:652)
at javax.swing.JPanel.setUI(JPanel.java:131)
at javax.swing.JPanel.updateUI(JPanel.java:104)
at javax.swing.JPanel.<init>(JPanel.java:64)
at javax.swing.JPanel.<init>(JPanel.java:87)
at javax.swing.JPanel.<init>(JPanel.java:95)
at weka.gui.explorer.PreprocessPanel.<init>(Unknown Source)
at weka.gui.explorer.Explorer.<init>(Unknown Source)
at weka.gui.GUIChooser$2.actionPerformed(Unknown Source)
at java.awt.Button.processActionEvent(Button.java:388)
at java.awt.Button.processEvent(Button.java:356)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at
java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
Which looks like exception going really through / from awt code (I'm not java
programmer, so may be wrong). This trace is from weka-3.5.3. Same thing happens
with latest stable ver.
If more info is needed -> what can I test to get it?
** Affects: sun-java5 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
--
Problems with weka
https://launchpad.net/bugs/69409
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