1. 确认问题来源 错误消息表明,在MATLAB环境中,与Java的AWT事件队列线程相关的代码中出现了NullPointerException。这通常意味着在MATLAB中调用的Java代码试图访问或操作一个未被初始化的对象。 2. 分析错误原因 NullPointerException是Java中常见的运行时异常,通常发生在以下几种情况: 尝试调用一个null对象的实例方法。
1.检查是否正确安装了MATLAB的Excel支持包，如果没有安装，可以尝试安装该支持包。2.检查Excel文件是否存在格式问题，比如单元格格式或者内容不规范等，可以尝试将文件重新排版或者导出为其他格式再尝试导入。3.尝试使用其他方式导入Excel文件，比如使用MATLAB的xlsread函数或者将Excel文件转化为CSV格式再导入。4...
at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueu...
at java.lang.Thread.run(Thread.java:748) Exception in thread "AWT-EventQueue-0": java.lang.NoClassDefFoundError: Could not initialize class com.mathworks.instutil.InstutilResourceKeys at com.mathworks.matlab_login.MatlabLogin.getInfoToCallEmbeddedLogin(Unknown Source) at com...
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: Could not initialize class com.mathworks.mlwidgets.util.MatlabFileIconUtils at com.mathworks.mde.filebrowser.FileViewTableModel$FileInfoItem.getIcon(FileViewTableModel.java:297) at com.mathworks.mde.filebrowser.FileViewTableModel....
先声明一下所用软件的位数: 软件位数: 操作系统 :win7 64位 matlab:R2010b 32位 JDK:1.6 32位 异常一:Failed to find the library mclmcrrt7_14.dll 具体异常情况如下: Exception in thread "AWT-EventQueue-0" java.lang.Unsatis ...
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at com.mathworks.mlwidgets.graphics.ModelStateFactory.createNoSelectionModelState(ModelStateFactory.java:251) at com.mathworks.mlwidgets.graphics.PlotToolSetFactory$3.parseComplete(PlotToolSetFactory.java:123) at com.mathworks.mlwidgets.grap...
Exception in thread "AWT-EventQueue-0" java.lang.ExceptionInInitializerErrorat java.lang.Class.forName0(Native Method)at java.lang.Class.forName(Class.java:264)at com.mathworks.mlwidgets.prefs.PrefsDialog.getPrefsEditorPanelFactory(PrefsDialog.java:391)at com.mathworks.mlwidgets.prefs.PrefsDialog.regis...
Exception in thread "AWT-EventQueue-0": java.lang.IllegalAccessError: superclass access check failed: class com.mathworks.hg.peer.types.HGMotifCheckMenuUI (in unnamed module @0x706bf110) cannot access class com.sun.java.swing.plaf.motif.MotifMenuUI (in module java.desktop) because module java...
Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Channel does not exist at com.mathworks.connector.message_service.impl.AbstractMessageService.unsubscribe(AbstractMessageService.java:58) at com.mathworks.mde.liveeditor.widget.rtc.RichTextComponent.dispo...