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.Path
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...
Exception in thread "AWT-EventQueue-0"... Learn more about exception in thread "awt-eventqueue-0", java null pointer MATLAB Compiler, MATLAB
at java.awt.EventDispatchThread.run(Unknown Source)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...
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space at sun.font.GlyphList.ensureCapacity(Unknown Source) at sun.font.GlyphList.setFromChars(Unknown Source) at sun.java2d.pipe.GlyphListPipe.drawChars(Unknown Source) at sun.java2d.SunGr...
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...
When I try the figure properties editor (I don't like the new one by the way) I get in matlab window line : Exception in thread "AWT-EventQueue-0": java.lang.NullPointerException at com.mathworks.page.plottool.propertyinspectormanager.PropertyInspectorManager$2.run(PropertyInspectorManager.ja...
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.dispos...
Here's the error message provided in the command window immediately after pressing print: Exception in thread "AWT-EventQueue-0" java.awt.print.PrinterException: Invalid name of PrintService. at sun.awt.windows.WPrinterJob.setNativePrintService(Native Method) at sun.awt.window...