필터 지우기
필터 지우기

Java NullPointerException on opening documentation

조회 수: 5 (최근 30일)
Tairan Li
Tairan Li 2021년 1월 29일
답변: Anmol Dhiman 2021년 1월 31일
Whenever I search the documentation or open a built-in function I get something like this:
java.lang.NullPointerException
at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(UnsafeFieldAccessorImpl.java:57)
at sun.reflect.UnsafeObjectFieldAccessorImpl.get(UnsafeObjectFieldAccessorImpl.java:36)
at java.lang.reflect.Field.get(Field.java:393)
at sun.lwawt.macosx.CAccessibility.getAccessibleRoleFor(CAccessibility.java:248)
at sun.lwawt.macosx.CAccessibility$12.call(CAccessibility.java:263)
at sun.lwawt.macosx.CAccessibility$12.call(CAccessibility.java:260)
at sun.lwawt.macosx.LWCToolkit$CallableWrapper.run(LWCToolkit.java:597)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:301)
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.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
at java.awt.EventQueue$4.run(EventQueue.java:733)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
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)
My matlab version is R2020a maci64, but I had this problem in older versions too.
The documentations can be opened normally, but the error log is quite annoying.

답변 (1개)

Anmol Dhiman
Anmol Dhiman 2021년 1월 31일
Hi Tairan,
Refer to similar question on the same topic as errors seems to match.
Hope it helps

카테고리

Help CenterFile Exchange에서 Get Started with MATLAB에 대해 자세히 알아보기

태그

제품

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by