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Posted to notifications@netbeans.apache.org by "mbien (via GitHub)" <gi...@apache.org> on 2026/01/22 23:19:31 UTC
[I] Clearing output window fails on JDK ea 26 [netbeans]
mbien opened a new issue, #9155:
URL: https://github.com/apache/netbeans/issues/9155
### Apache NetBeans version
Apache NetBeans 29 latest release candidate
### What happened
works fine on JDK 25.0.2
```
SEVERE [global]
java.lang.NullPointerException: Cannot invoke "java.awt.Component.addPropertyChangeListener(String, java.beans.PropertyChangeListener)" because "invoker" is null
at java.desktop/javax.swing.JPopupMenu.setInvoker(JPopupMenu.java:963)
at org.netbeans.core.output2.OutputTab$PMListener.popupMenuWillBecomeInvisible(OutputTab.java:1309)
at java.desktop/javax.swing.JPopupMenu.firePopupMenuWillBecomeInvisible(JPopupMenu.java:713)
at java.desktop/javax.swing.JPopupMenu.setVisible(JPopupMenu.java:824)
at java.desktop/javax.swing.JPopupMenu.menuSelectionChanged(JPopupMenu.java:1556)
at java.desktop/javax.swing.MenuSelectionManager.setSelectedPath(MenuSelectionManager.java:128)
at java.desktop/javax.swing.MenuSelectionManager.clearSelectedPath(MenuSelectionManager.java:160)
at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:980)
at java.desktop/javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1026)
at java.desktop/java.awt.Component.processMouseEvent(Component.java:6570)
at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3390)
at java.desktop/java.awt.Component.processEvent(Component.java:6335)
at java.desktop/java.awt.Container.processEvent(Container.java:2260)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4952)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2318)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4784)
at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4917)
at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4560)
at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4501)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2304)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2667)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4784)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:716)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:693)
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)
```
method in question:
https://github.com/apache/netbeans/blob/0a82a1f93171e0c490e02fac5b3b30c5c450d142/platform/core.output2/src/org/netbeans/core/output2/OutputTab.java#L1306-L1321
### Language / Project Type / NetBeans Component
any
### How to reproduce
open output window and build a project to fill it, now try to clear it via right click context menu
### Did this work correctly in an earlier version?
No / Don't know
### Operating System
linux
### JDK
Oracle JDK 26 ea build 31
### Apache NetBeans packaging
Apache NetBeans binary zip
### Anything else
_No response_
### Are you willing to submit a pull request?
No
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Re: [I] Clearing output window fails on ea JDK 26 [netbeans]
Posted by "mbien (via GitHub)" <gi...@apache.org>.
mbien commented on issue #9155:
URL: https://github.com/apache/netbeans/issues/9155#issuecomment-3817691785
regarding the code which calls it: the hack grew over time and was originally in a different class:
https://github.com/neilcsmith-net/netbeans-releases/commit/710c209196373937886b73fd146ab388a8fa22f0
https://github.com/neilcsmith-net/netbeans-releases/commit/892020c2e6b440759f332858d7b737828390c963
https://github.com/neilcsmith-net/netbeans-releases/commit/b5bfff45c596a6d93b6554317a79bce62de5514c
I am not planning to make changes to it for now, so if the regression fix is merged to JDK 26 ga (which is now likely) I would also close this issue here too.
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Re: [I] Clearing output window fails on ea JDK 26 [netbeans]
Posted by "mbien (via GitHub)" <gi...@apache.org>.
mbien commented on issue #9155:
URL: https://github.com/apache/netbeans/issues/9155#issuecomment-3812739642
> tracked via https://bugs.openjdk.org/browse/JDK-8376169
I tested the proposed fix and it did work, however it [won't make it into JDK 26 ga](https://github.com/openjdk/jdk/pull/26407#discussion_r2736891691), earliest backport would be 26.0.1.
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Re: [I] Clearing output window fails on ea JDK 26 [netbeans]
Posted by "mbien (via GitHub)" <gi...@apache.org>.
mbien commented on issue #9155:
URL: https://github.com/apache/netbeans/issues/9155#issuecomment-3789573580
tracked via https://bugs.openjdk.org/browse/JDK-8376169
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Re: [I] Clearing output window fails on ea JDK 26 [netbeans]
Posted by "mbien (via GitHub)" <gi...@apache.org>.
mbien commented on issue #9155:
URL: https://github.com/apache/netbeans/issues/9155#issuecomment-3787269632
jdk commit: https://github.com/openjdk/jdk/commit/7fbeede14c558221ae0e5b8d65f50e50c0e3737a#diff-5a6689fb25b4cb54fb6854c16bd892cb8c25803fc8e4f02aa9d41bc05eff1c3e
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Re: [I] Clearing output window fails on ea JDK 26 [netbeans]
Posted by "mbien (via GitHub)" <gi...@apache.org>.
mbien commented on issue #9155:
URL: https://github.com/apache/netbeans/issues/9155#issuecomment-3835784839
closing. Fix landed in the JDK 26 branch.
https://github.com/openjdk/jdk/commit/21a3ed36d48f1d86e4d84eb0e84ccdbe4fd1a57e
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Re: [I] Clearing output window fails on ea JDK 26 [netbeans]
Posted by "mbien (via GitHub)" <gi...@apache.org>.
mbien closed issue #9155: Clearing output window fails on ea JDK 26
URL: https://github.com/apache/netbeans/issues/9155
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