mbien commented on issue #8040:
URL: https://github.com/apache/netbeans/issues/8040#issuecomment-2541234988
```
Product Version = Apache NetBeans IDE 23
Operating System = Windows 11 version 10.0 running on amd64
Java; VM; Vendor = 23.0.1; Java HotSpot(TM) 64-Bit Server VM
23.0.1+11-39; Oracle Corporation
Runtime = Java(TM) SE Runtime Environment 23.0.1+11-39
...
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:1843)
at
java.desktop/javax.swing.plaf.basic.BasicComboBoxUI.getDisplaySize(BasicComboBoxUI.java:1446)
at
com.formdev.flatlaf.ui.FlatComboBoxUI.getDisplaySize(FlatComboBoxUI.java:712)
```
Interesting. I don't see how `File#toString` could return null, the way File
is constructed it would fail much earlier if the path would resolve to null.
https://github.com/openjdk/jdk/blob/367c3041272d43b0474b433c555f22a3e15579f6/src/java.base/share/classes/java/io/File.java#L2004-L2006
https://github.com/openjdk/jdk/blob/367c3041272d43b0474b433c555f22a3e15579f6/src/java.base/share/classes/java/io/File.java#L520-L522
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