Question

matlab新建GUI会出现错误，出现一大篇红色的错误

??? Java exception occurred:
java.lang.NullPointerException
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.buildTemplateListPanel(QuickStartPanel.java:308)
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.buildTemplatePanel(QuickStartPanel.java:278)
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.populateDialog(QuickStartPanel.java:219)
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.doInit(QuickStartPanel.java:209)
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.<init>(QuickStartPanel.java:131)
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.<init>(QuickStartPanel.java:79)
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel$1.runWithOutput(QuickStartPanel.java:152)
at com.mathworks.jmi.AWTUtilities$Invoker$2.watchedRun(AWTUtilities.java:397)
at com.mathworks.jmi.AWTUtilities$WatchedRunnable.run(AWTUtilities.java:360)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Error in ==> guidetemplate at 18
quickstartpanel = QuickStartPanel.create(origin);
Error in ==> guide at 69
guidetemplate;
File D:\软件\matlab\toolbox\matlab\guide\templateinfo.xml could not be parsed successfully.
java.net.MalformedURLException: unknown protocol: d
at java.net.URL.<init>(Unknown Source)
at java.net.URL.<init>(Unknown Source)
at java.net.URL.<init>(Unknown Source)
at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)
at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)
at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)
at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)
at com.mathworks.toolbox.matlab.guide.template.TemplateParser.xmlParse(TemplateParser.java:68)
at com.mathworks.toolbox.matlab.guide.template.TemplateParser.parseTemplateInfo(TemplateParser.java:57)
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.parseTemplate(QuickStartPanel.java:479)
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.buildTemplateListPanel(QuickStartPanel.java:290)
at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.bui

Answer 1

初步判断如下：
1、matlab的安装最好安装在英文目录下，而不要安装在中文目录下。
建议：
1、卸载matlab，并将matlab的安装目录删除干净，
2、重启，安装matlab在英文目录下，比如software\matlab，
建议直接安装在某个盘的根目录下，比如d:\matlab这样的。

Answer 2

MATLAB guide 与 中文英文没有关系 估计杀毒软件把 matlab中的系统文件给杀了 所以会出现上述问题