Eclipse（带有 J2EE 插件）不会将类文件构建到输出目录
我在使用多个版本的 Eclipse 时都遇到过这个问题。在某些场景下，Eclipse不会将字节码类文件输出到输出目录。我将进行构建和清理。我正在使用 Tomcat 服务器。我停止了服务器，但 Eclipse 仍然不会进行构建。
我的输出目录：project/WebContent/WEB-INF/classes
有时，在进行了如此多的构建和/或重新启动计算机后，我可以再次构建到该目录。有谁知道问题是什么？
另外，为此问题创建错误报告的最佳方法是什么。
版本信息：伽利略 面向 Web 开发人员的 Eclipse Java EE IDE。 Build id: 20100218-1602
另外，安装了 mvn m2eclipse 插件。
I have had this issue with several versions of Eclipse. In some scenarios, Eclipse will not output bytecode class files to the output directory. I will do a build and a clean. I am working with Tomcat server. I stop the server and still Eclipse will not do a build.
My output directory: project/WebContent/WEB-INF/classes
Sometimes after doing so many builds and/or restarting my machine, I am able to build again to that directory. Does any know what the problem is?
Also, what is the best way to create a bug report for this problem.
Version Info: Galileo
Eclipse Java EE IDE for Web Developers.
Build id: 20100218-1602
Also, mvn m2eclipse plugin installed.
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如果项目构建路径缺少某些必需的库，通常会发生这种情况。还要确保自动构建已选中 [ 项目 >自动构建]。如果您仍然遇到问题，请发帖
This usually happens if, project build path is missing some required libraries. Also ensure, build automatically is checked [ Project > Build Automatically ]. Please post if you still face problem
我也有同样的问题。我检查了“自动构建”，并期望在我的项目/bin 目录中包含类文件，但它是空的。对我有用的是取消选中“项目”菜单中的“自动构建”，“项目 ->”清理然后做Project ->构建全部。现在所有 .java 文件都已编译，我再次选中“自动构建”。
I had the same problem. I had "Build Automatically" checked, and was expecting class file in my project/bin directory but it was empty. What worked for me was unchecking "Build Automatically" in Project menu, Project -> Clean and then do Project -> Build All. Now all .java files were compiled and I checked "Build Automatically" again.
我还有一个简单的问题，但我不知道如何直接评论该问题而不添加答案。
您是否在 Windows 上运行 Eclipse/m2eclipse？如果是这样，您可能会遇到“干净”生命周期阶段发生错误的问题。如果将以下内容添加到>元素在 ~/.m2/settings.xml 中，您应该能够避免这种类型的构建中断：
<代码>
I have another simple question, but I don't know how to comment on the question directly without adding an answer.
Are you running Eclipse/m2eclipse on Windows? If so, you may be having issues with errors occurring during the "clean" lifecycle stage. If you add the following to the <profiles /> element in your ~/.m2/settings.xml, you should be able to avoid this type of build interruption:
<profile> <id>windows-nocleanerrors</id> <activation> <os> <family>Windows</family> </os> </activation> <properties> <maven.clean.failOnError>false</maven.clean.failOnError> </properties> </profile>