有时候,在MyEclipse运行application程序时会呈现如下过错:
java.lang.UnsupportedClassVersionError: Bad version number in .class file
造成这种过错的原由是ni的支撑Tomcat运行的JDK版本与支撑application运行的JDK版本不一致导致的.
那么如何解决上面的问题呢?
措施显而易见:把它们的JDK版本改成一致.
步骤如下:
1.Window --> Preferences -->Java --> compiler中的compiler compliance level对应的下拉菜单中选择JDK版本.
2.Window --> Preferences -->MyEclipse --> Servers -->Tomcat --> Tomcat n.x -->JDK中的Tomcat JDK name下的下拉菜单中选择自身电脑上安装的JDK版本(必需与步骤1中的JDK版本一致).
如果还是没有解决,不用焦急,因为有些MyEclipse版本自带有JDK版本,所以也要将它改过来.
3.Window --> Preferences -->Java -->Installed JRES,然后在右边选择与步骤1和2版本一致的JDK版本,如果没有,可以自身添加.然后选中就可以了.
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