为什么我的java编译器级别不符合我安装的项目方面？

问题描述

我在Eclipse 3.7中制作了一个简单的Java AppEngine应用程序，名为Guestbook，我试图运行它。但是，我遇到一个缺少快速修复的错误：

 描述资源路径位置类型
 Java编译器级别与安装的Java项目构面的版本不匹配。 
留言簿未知方面的项目问题（Java版本不匹配）
  

我尝试导航到项目|属性来更改我的项目方面。但是，我找不到处理facet的设置。

安装的Java项目方面是什么意思，我该如何解决？

解决方案

您可以通过右键单击项目 - > properties-> Project Facets

在这里，您可以看到一个示例Web应用程序的方面：

我认为您的Java facet与已安装的不一致。我怀疑facet是1.5版本。请检查一下。

加载项：打开导航器视图，展开.settings文件夹，打开文件org.eclipse.wst.common.project.facet.core.xml并手动将Java版本设置为1.6。

I made a simple Java Google AppEngine application called Guestbook in Eclipse 3.7 and am trying to run it. However, I am encountering an error that lacks a quick fix:

Description Resource    Path    Location    Type
Java compiler level does not match the version of the installed Java project facet.
Guestbook       Unknown Faceted Project Problem (Java Version Mismatch)

I tried navigating to Project | Properties to change my project facet. However, I could not find a setting that dealt with "facet."

What does "installed Java project facet" mean, and how do I fix this?

解决方案

You can see your facets via Right click on your project->properties->Project Facets,

Here you can see my facets for an example web application:

I think your Java facet does not match with the installed one. I'm suspicious that facet is at version 1.5. Please check it.

Add-on:Open the Navigator view, expand the .settings folder, open the file org.eclipse.wst.common.project.facet.core.xml and manually set the Java version to 1.6.

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