Cannot find the class file for java.lang.Object. Fix the build path then try building this project
2018-01-21 08:38
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完整错误信息:The project was not built since its build path is incomplete. Cannot find the class file for java.lang.Object. Fix the build path then try building this project。
错误发生场景:今天重装Myeclipse,然后重新导入以前的项目后,出现此错误。
出现此错误的的原因:MyEclipse中存在多个jre版本,MyEclipse默认使用的jre版本和项目之前使用的jre版本不一致,从而导致项目构建路径不完整。
解决方法:
1. 进入window
/ preferences / java / Installed JREs
1)按Add
2)输入JRE
Name, 例JDK1.5.0.09
3)JRE home directory, 选择以前使用的jre的安装路径
4)按OK
2. 进入Project
/ properties / Java Bulid Path
1)Add library
2)选JRE
System Library后按Next
3)选workplace
default JRE后按 finish
然后关闭设置窗口,回到编辑界面,此问题已解决。
错误发生场景:今天重装Myeclipse,然后重新导入以前的项目后,出现此错误。
出现此错误的的原因:MyEclipse中存在多个jre版本,MyEclipse默认使用的jre版本和项目之前使用的jre版本不一致,从而导致项目构建路径不完整。
解决方法:
1. 进入window
/ preferences / java / Installed JREs
1)按Add
2)输入JRE
Name, 例JDK1.5.0.09
3)JRE home directory, 选择以前使用的jre的安装路径
4)按OK
2. 进入Project
/ properties / Java Bulid Path
1)Add library
2)选JRE
System Library后按Next
3)选workplace
default JRE后按 finish
然后关闭设置窗口,回到编辑界面,此问题已解决。
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