错误：在Eclipse中找不到或加载主类 [英] Error: Could not find or load main class in Eclipse

问题描述

我在Eclipse 4.2中运行一个项目时遇到麻烦。我有一个Java程序，一个类称为转换。 Eclipse构建项目很好。我可以通过在工作区中的项目文件夹中导航到/ bin /，然后输入 java Conversion 。

$ b，从命令行运行程序。
$ b

但是，当我尝试从Eclipse运行程序时，我显示错误：在控制台中找不到或加载主类转换 。

项目名称为 10.12.12：Project 。

解决方案

Eclipse不支持在项目名称中使用冒号或连字号。冒号似乎打破了处理编译的方式。

可以通过在项目的名称中不使用冒号来解决问题。

如注释中所述，这可能是Java 6的一个错误。它在Java 7中已修复。

I'm having trouble running a project in Eclipse 4.2. I have a Java program with one class titled Conversion. Eclipse builds the project fine. I'm able to run the program from the command line by navigating to /bin/ in the project's folder that's in the workspace and typing java Conversion.

However, when I try to run the program from Eclipse, I am shown Error: Could not find or load main class Conversion in the console.

The project name is 10.12.12: Project.

解决方案

Eclipse does not support the use of a colon or hyphen in project names. Colons appear to break the way it handles compilation.

The issue can be fixed by not using a colon in the project's name.

As noted in the comments, this may be a fault of Java 6. It is fixed in Java 7.

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