无法在Eclipse中保存项目首选项 [英] Can't save project preferences in Eclipse

问题描述

所有我想要做的是将我的项目的Java编译器设置为5.0。默认值为1.4。当我尝试按OK按钮保存时，我收到以下错误。

首选项保存失败：

原因：
异常保存项目首选项时出现：
/com.myproj.reqmanager.ui/.settings/org.eclipse.jdt.ui.prefs。

我以前从来没有这个错误。我的意思是我以前导入了这个项目并保存了首选项设置，没有任何问题。无处不在我现在得到这个问题。

解决方案

如果你遵循这个线程，这可以是：

$ b $因为使用Eclipse在网络驱动器上使用工作区（不一定是你的情况，而是值得一提，以防万一）

• 因为文件被某种方式锁定另一个进程或版本控制系统，悲观锁定）。另请参阅错误130266 ：

只读项目文件在处理源控制系统（如Perforce）时，会使本地文件为只读，直到它们被检出。

All I am trying to do is to set the Java compiler for my project as 5.0. It is 1.4 by default. When I try to save by pressing OK button I get the following error.

Preferences Save Failed:

Reason: Exception Occured while saving project preferences: /com.myproj.reqmanager.ui/.settings/org.eclipse.jdt.ui.prefs.

I never got this error earlier. I mean I have imported this project before and saved preference settings without any problem. Out of nowhere I am getting this problem now.

解决方案

If you follow this thread, this can be:

• because of the use of Eclipse with a workspace on a network drive (not necessarily your case, but worth mentioning just in case)
• because the file is somehow locked (either by another process or by a Version Control System with pessimistic locking). See also bug 130266:

Read-only project files come up a lot when dealing with source control systems (like Perforce) that make the local files read-only until they are "checked out".

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