估计是配置混乱导致的错误.解决方法是:
使用cmd到myeclipse安装目录下,调用 myeclipse.exe -clean
问题解决,至于引发这个问题的原因有待进一步考证
myeclipse文件打不开,报错:org.eclipse.swt.SWTException: Invalid thread access
【上篇】maven安装出现错误:ERROR: JAVA_HOME is set to an invalid directory.
【下篇】There is no Action mapped for namespace / and action name .
【下篇】There is no Action mapped for namespace / and action name .