Why does MATLAB crash when editing a script?

18 次查看（过去 30 天）
MathWorks Support Team
回答： MathWorks Support Team 2020-4-7
When editing a script or a live script MATLAB crashes.
Error is thrown in the Command Window:
Exception in thread "AWT-EventQueue-0": java.lang.NullPointerException
at java.util.WeakHashMap.hash(WeakHashMap.java:298)
at java.util.WeakHashMap.get(WeakHashMap.java:396)
at java.util.Collections$SynchronizedMap.get(Collections.java:2584)
at sun.awt.SunToolkit.targetToAppContext(SunToolkit.java:399)
at java.awt.event.FocusEvent.getOppositeComponent(FocusEvent.java:221)
...
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Stack trace is:
[ 0] 0x0000000010b5b603 C:\Program Files\MATLAB\R2019b\bin\win64\libmwfl.dll+00046595
[ 1] 0x0000000010b595d8 C:\Program Files\MATLAB\R2019b\bin\win64\libmwfl.dll+00038360
[ 2] 0x0000000010b5f58a C:\Program Files\MATLAB\R2019b\bin\win64\libmwfl.dll+00062858
[ 3] 0x0000000010b5e1a8 C:\Program Files\MATLAB\R2019b\bin\win64\libmwfl.dll+00057768
[ 4] 0x0000000010b63aab C:\Program Files\MATLAB\R2019b\bin\win64\libmwfl.dll+00080555
[ 5] 0x00000000452e7f31 C:\Program Files\MATLAB\R2019b\bin\win64\jmi.dll+00818993
[ 6] 0x0000000057909ead C:\Program Files\MATLAB\R2019b\sys\java\jre\win64\jre\bin\server\jvm.dll+02727597
[ 7] 0x00000000578f208b C:\Program Files\MATLAB\R2019b\sys\java\jre\win64\jre\bin\server\jvm.dll+02629771
[ 8] 0x000000005790ac26 C:\Program Files\MATLAB\R2019b\sys\java\jre\win64\jre\bin\server\jvm.dll+02731046
[ 9] 0x000000005790f52d C:\Program Files\MATLAB\R2019b\sys\java\jre\win64\jre\bin\server\jvm.dll+02749741
[ 10] 0x00000000579a5d98 C:\Program Files\MATLAB\R2019b\sys\java\jre\win64\jre\bin\server\jvm.dll+03366296
[ 11] 0x00007ff9e8ec121f C:\WINDOWS\SYSTEM32\ntdll.dll+00659999
[ 12] 0x00007ff9e8e8a289 C:\WINDOWS\SYSTEM32\ntdll.dll+00434825
[ 13] 0x00007ff9e8ebfe8e C:\WINDOWS\SYSTEM32\ntdll.dll+00654990
[ 14] 0x000000008b5c1df4 <unknown-module>+00000000

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采纳的回答

MathWorks Support Team
The crash might occur if you have Open JDK installed instead of the standard JDK. You can uninstall Open JDK and install standard JDK to fix the crash.

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