How to deal with Exception in thread "AWT-EventQueue-0": java.lang.IllegalArgumentException: 'frame' cannot be null error

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Yunxin Gan 2021-10-6

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https://ww2.mathworks.cn/matlabcentral/answers/1468226-how-to-deal-with-exception-in-thread-awt-eventqueue-0-java-lang-illegalargumentexception-frame

评论： Kshitij Chhabra 2021-10-11

Hi,I have been geeting this error when trying ro execute a matlab script on my mac.I have tried sveral ways shown there :https://uk.mathworks.com/matlabcentral/answers/276006-how-to-solve-the-error-exception-in-thread-awt-eventqueue-0-java-lang-illegalargumentexception-c

I don't know if it is because i am using mac os , I was not able to solve my prloblem using those methods.I installed the jdk1.8.0-202 and my matlab version is 9.11.0.1769968 (R2021b) My mac version is 11.6

"Exception in thread "AWT-EventQueue-0": java.lang.IllegalArgumentException: 'frame' cannot be null"
at com.mathworks.mlwidgets.dialog.PathChange.<init>(PathChange.java:137)
	at com.mathworks.mlwidgets.dialog.PathChange.<init>(PathChange.java:128)
	at com.mathworks.mde.editor.plugins.matlab.EditorSaveRunAndPublishUtils.doConfigurationActionAfterPromptingAboutPath(EditorSaveRunAndPublishUtils.java:261)
	at com.mathworks.mde.editor.plugins.matlab.EditorSaveRunAndPublishUtils.saveFileAndDoConfigurationAction(EditorSaveRunAndPublishUtils.java:113)
	at com.mathworks.mde.editor.plugins.matlab.MatlabPluginUtils.executeDefaultConfiguration(MatlabPluginUtils.java:98)
	at com.mathworks.mde.editor.plugins.editordataservice.LegacyJavaExecutionFeature$1$1.run(LegacyJavaExecutionFeature.java:52)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
	at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
	at java.awt.EventQueue.access$500(EventQueue.java:97)
	at java.awt.EventQueue$3.run(EventQueue.java:709)
	at java.awt.EventQueue$3.run(EventQueue.java:703)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

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Kshitij Chhabra 2021-10-11

Hi Yunxin,

I understand that you have already tried modifying the java versions in your system, but the error still persists. Could you please provide the script/minimal example so that we can try reproducing the error at our end?

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