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Warning : Unable to create com.mathwo​rks.mde.wo​rkspaceBro​wser, for details see %temp%\MAT​LABDesktop​CreateErro​r.log

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Abhishek Chaudhari
Abhishek Chaudhari 2022-11-16
回答： Chetan 2023-8-31
java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
at com.mathworks.mlwidgets.array.UserActionLogger.logActionEventData(UserActionLogger.java:241)
at com.mathworks.mlwidgets.array.UserActionLogger.logWSBOpenEventData(UserActionLogger.java:105)
at com.mathworks.mlwidgets.workspace.WorkspaceTable.<init>(WorkspaceTable.java:132)
at com.mathworks.mlwidgets.workspace.WorkspaceTable.<init>(WorkspaceTable.java:83)
at com.mathworks.mde.workspace.WorkspaceBrowser.<init>(WorkspaceBrowser.java:167)
at com.mathworks.mde.workspace.WorkspaceBrowser.getInstance(WorkspaceBrowser.java:96)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at com.mathworks.widgets.desk.DTClient.createComponent(DTClient.java:311)
at com.mathworks.widgets.desk.Desktop.createClientComponent(Desktop.java:6487)
at com.mathworks.mde.desk.MLDesktop.createClientComponent(MLDesktop.java:1054)
at com.mathworks.widgets.desk.Desktop.createClientComponentWrapper(Desktop.java:6501)
at com.mathworks.widgets.desk.Desktop.setClientShowing(Desktop.java:7200)
at com.mathworks.widgets.desk.Desktop.setClientShowing(Desktop.java:7187)
at com.mathworks.widgets.desk.Desktop.restoreLayout(Desktop.java:6004)
at com.mathworks.mde.desk.MLDesktop.restoreLayout(MLDesktop.java:1674)
at com.mathworks.widgets.desk.Desktop.restoreLayout(Desktop.java:5727)
at com.mathworks.widgets.desk.Desktop.restorePreviousLayout(Desktop.java:4571)
at com.mathworks.mde.desk.MLDesktop.restorePreviousLayout(MLDesktop.java:1624)
at com.mathworks.widgets.desk.Desktop.initMainFrame(Desktop.java:294)
at com.mathworks.mde.desk.MLDesktop.initMainFrameFromThread(MLDesktop.java:858)
at com.mathworks.mde.desk.MLDesktop.access$600(MLDesktop.java:225)
at com.mathworks.mde.desk.MLDesktop$Initializer.run(MLDesktop.java:1237)
at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:770)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:721)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:715)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:85)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:740)
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)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.JAXBException
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
... 38 more

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回答（1 个）

Chetan
Chetan 2023-8-31
Hi @Abhishek Chaudhari!
Based on my understanding, the issue you are facing is related to the JAXB APIs. Starting from Java SE 9, the JAXB APIs are considered Java EE APIs and are no longer included on the default classpath. In Java 11, they have been completely removed from the JDK.
To resolve this issue, you can add the necessary dependencies to the POM file so that the FAT jar includes them in the ML sandbox. Here is an example of how to add the dependency:
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
<version>2.3.1</version>
</dependency>
You can refer to the following article for more information on adding dependencies to the POM file:
Hope it helps!!

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