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1) In Dev build 55 Right click and select python project properties 2) In Project properties dialog click the Remove button twice and you will get the following error: java.lang.ArrayIndexOutOfBoundsException: -1 at java.util.ArrayList.remove(ArrayList.java:390) at org.netbeans.modules.python.core.ui.models.PathListModel.remove(PathListModel.java:40) at org.netbeans.modules.python.project.ui.customizer.CustomizerPythonPath.removePythonPathActionPerformed(CustomizerPython Path.java:191) at org.netbeans.modules.python.project.ui.customizer.CustomizerPythonPath.access$100(CustomizerPythonPath.java:35) at org.netbeans.modules.python.project.ui.customizer.CustomizerPythonPath$2.actionPerformed(CustomizerPythonPath.java:89) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236) at java.awt.Component.processMouseEvent(Component.java:6099) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5864) at java.awt.Container.processEvent(Container.java:2058) at java.awt.Component.dispatchEventImpl(Component.java:4466) at java.awt.Container.dispatchEventImpl(Container.java:2116) at java.awt.Component.dispatchEvent(Component.java:4296) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916) at java.awt.Container.dispatchEventImpl(Container.java:2102) at java.awt.Window.dispatchEventImpl(Window.java:2458) at java.awt.Component.dispatchEvent(Component.java:4296) [catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:284) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Created attachment 71740 [details] log file
*** Bug 150317 has been marked as a duplicate of this bug. ***
*** Bug 151580 has been marked as a duplicate of this bug. ***
Unable to duplicate. Static analysis confirmed appropriate guard logic was added subsequent to this report. Marking as Fixed...