AndrewChou77 commented on issue #7067:
URL: https://github.com/apache/netbeans/issues/7067#issuecomment-1944367454
Sure thing. The general error message is like:
**_Cannot invoke "String.matches(String)" because the return value of
"java.io.File.toString()" is null._**
And the exceptions detail is like:
java.lang.NullPointerException: Cannot invoke "String.matches(String)"
because the return value of "java.io.File.toString()" is null
at
org.netbeans.modules.project.ui.ProjectChooserAccessory$ProjectFileView.getIcon(ProjectChooserAccessory.java:578)
at java.desktop/javax.swing.JFileChooser.getIcon(JFileChooser.java:1607)
at
org.netbeans.swing.dirchooser.DirectoryChooserUI$DirectoryComboBoxRenderer.getListCellRendererComponent(DirectoryChooserUI.java:1858)
at
java.desktop/javax.swing.plaf.basic.BasicComboBoxUI.getDisplaySize(BasicComboBoxUI.java:1446)
at
com.formdev.flatlaf.ui.FlatComboBoxUI.getDisplaySize(FlatComboBoxUI.java:711)
at
java.desktop/javax.swing.plaf.basic.BasicComboBoxUI.getMinimumSize(BasicComboBoxUI.java:999)
at
com.formdev.flatlaf.ui.FlatComboBoxUI.getMinimumSize(FlatComboBoxUI.java:694)
at
java.desktop/javax.swing.plaf.basic.BasicComboBoxUI.getPreferredSize(BasicComboBoxUI.java:988)
at
java.desktop/javax.swing.JComponent.getPreferredSize(JComponent.java:1734)
at
org.netbeans.swing.dirchooser.DirectoryChooserUI$7.getPreferredSize(DirectoryChooserUI.java:566)
at
java.desktop/java.awt.BorderLayout.preferredLayoutSize(BorderLayout.java:724)
at java.desktop/java.awt.Container.preferredSize(Container.java:1826)
at java.desktop/java.awt.Container.getPreferredSize(Container.java:1810)
at
java.desktop/javax.swing.JComponent.getPreferredSize(JComponent.java:1736)
at
java.desktop/java.awt.BorderLayout.preferredLayoutSize(BorderLayout.java:724)
at java.desktop/java.awt.Container.preferredSize(Container.java:1826)
at java.desktop/java.awt.Container.getPreferredSize(Container.java:1810)
at
java.desktop/javax.swing.JComponent.getPreferredSize(JComponent.java:1736)
at
java.desktop/java.awt.BorderLayout.layoutContainer(BorderLayout.java:820)
at java.desktop/java.awt.Container.layout(Container.java:1541)
at java.desktop/java.awt.Container.doLayout(Container.java:1530)
at java.desktop/java.awt.Container.validateTree(Container.java:1725)
at java.desktop/java.awt.Container.validateTree(Container.java:1734)
at java.desktop/java.awt.Container.validateTree(Container.java:1734)
at java.desktop/java.awt.Container.validateTree(Container.java:1734)
at java.desktop/java.awt.Container.validateTree(Container.java:1734)
at java.desktop/java.awt.Container.validateTree(Container.java:1734)
at java.desktop/java.awt.Container.validateTree(Container.java:1734)
at java.desktop/java.awt.Container.validate(Container.java:1660)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2778)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4828)
at
java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:775)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:720)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:714)
at
java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:98)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:747)
at java.desktop/java.awt.EventQueue$5.run(EventQueue.java:745)
at
java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:744)
at
org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:136)
[catch] at
java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:203)
at
java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at
java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at
java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at
java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at
java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
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