Go to the project's properties and remove the existing JAR file from the build path.
进入项目的属性并将现存的JAR文件从这个构建路径中删除。
If indeed you did this, undo the manual build path change, and see if that helps.
如果你这样做，松开手动建立路径的变化，看看是否有帮助。
Include the same jar files listed in Configure the class path in the project build path.
将配置类路径中列出的相同的jar文件包含在项目构建路径中。
Otherwise, Eclipse shows compile errors in your project. To modify a project's build path.
否则，Eclipse将显示项目中的编译错误。
To add projects in the same workspace as your build path, click the projects TAB, then click add.
要将项目添加到构建路径所在的工作空间中，单击projects选项卡，然后单击add。
Perform the equivalent step for the client project to make the EJB project available on the build path.
为客户机工程执行相同的步骤，让构建路径上有ejb工程。
In the final step, before deploying, make sure that the build path and all JAR dependencies are in place.
在最后的步骤中，部署之前，确保构建路径和所有的JAR依存关系都在适当的位置。
For this to compile successfully, you will need to add the portlet-api.jar file to the project build path.
为了使之成功编译，您需要把portlet -api . jar文件添加到项目构建路径中。
If you want enhanced data validation classes and forms processing, add clear.swc to the project build path.
如果你想要增强的数据验证类和表单处理，只需将clear . swc添加到项目的构建路径中即可。
To use these classes, you must add the corresponding projects/JARs to the build path of your current project.
要使用这些类，必须把相应的项目/JAR添加到当前项目的构建路径中。
At this point, it's a good idea to do a quick sanity check to make sure you've set up the build path properly.
此时，最好进行一次快速、明智的检查，确保您已正确地设置了构建路径。
You will then see those JAR files under the "Web App Libraries" entry in the build path, as shown in Figure 5.
然后您将在这个构建路径中看到，那些JAR文件在“WebAppLibraries”条目中，如图5所示。
First, add the HelloWorldEJB project to the build path because you reference EJB code in the servlet test case.
首先，将HelloWorldEJB工程添加到构建路径，因为您在servlet测试案例中引用了EJB代码。
This gives you a good idea of which JAR files need to be available on the build path and the run-time classpath.
这会让您很好地了解哪些JAR文件需要能够在构建路径和运行时类路径中找到。
On the Libraries TAB, highlight all entries and click remove to remove all JARs and class folder from the build path.
在Libraries选项卡中，突出显示所有条目并单击Remove，以从构建路径中删除所有JAR和类文件夹。
As already mentioned, since you added the JAR files to the WEB-INF \ lib folder, then they are now on the build path.
我们已经提到过，因为您已经将JAR文件添加到WEB - INF \lib文件夹，所以它们现在就已经在构建路径上了。
After you have included the Notes.jar file in your build path, you can add the import directive and create a simple view.
在构建路径中包含了Notes. jar文件后，可以添加导入指令，然后创建简单视图。
Select to add the SRC folder under the EmployeeListJPA project. This will add the following folder entry to the build path.
选择在EmployeeListJPA项目之下添加src文件夹。
On the project Explorer TAB, right-click the NewAtomFeed project and select Properties to add class libraries to the build path.
在ProjectExplorer选项卡中，右键单击newatomfeed项目并选择Properties，将类库添加到构建路径。
There is a known bug in the build configuration, so you need to add an extra JAR file into the build path for the gateway project.
构建配置中有一个已知bug，因此需要将一个额外JAR文件添加到网关项目的构建路径中。
Or, if you're using a system based on directories (such as Microsoft Visual Studio), simply include several directories in your build path.
否则，如果正在使用基于目录的系统(例如MicrosoftVisualStudio)，那么只需要在编译路径中简单地包括几个目录即可。
To be able to see the add_filter and add_action functions in code completion, you can modify the build path to add the WordPress wp-includes directory.
为了查看在代码完成工具中的add_filter与add_action函数，可以修改构建路径以添加WordPresswp - includes目录。
The PDT project provides the ability to add folders to your build path, which also gives you the ability to have code-completion tools work with WordPress.
PDT项目提供了向构建路径添加文件夹的功能，它同时也使代码完成工具能够用于 WordPress。
It includes many new usability features over the previous version, including the ability to add a build path, open types, and access improved code assistance.
与先前的版本相比，它增加了一些新的可用性特性，包括添加构建路径、打开类型和访问改进了的代码帮助的功能。
Next, we'll edit the build path of the EJB project to include the i18nctx.jar file, which contains all the classes relevant to the internationalization service.
然后，编辑EJB项目的创建路径使其包含 i18nctx.jar文件，该文件包含了与国际化服务相关的所有的类。
Additionally, the SRC folder from EmployeeListJPA needs to be added to the build path of the EmployeeListWeb project to avoid development-time compilation errors.
另外，来自EmployeeListJPA的src文件夹需要添加至EmployeeList Web项目的构建路径，以避免开发时汇编错误。
Modify the project build path setting to include the OSGi framework library osgi.jar and other packages that we will use in the bundle code (servlet.jar in this case).
修改该项目的构建路径设置，使之包括OSGi框架库 osgi.jar和在包码中使用的其他包（在本实例中为 servlet.jar）。
A list of all classes in the project's build path that match that pattern are presented in a list, from which you can select the class and package name you want to use.
将在一个列表中显示与该模式匹配的项目构建路径中的所有类，您可以从此列表中选择您希望使用的类名称和包名称。
To use JUnit, you must first put the JUnit JAR on your project's build path, and create a test class. Complete the following steps to put JUnit on the project's build path
要使用JUnit，您必须首先将JUnitJAR保存在项目的Build路径上并创建一个测试类。
If you choose not to use Application Developer, just make sure the following JAR files are available on the build path (in addition to the Struts JAR files that were imported).
如果您不选用Application Developer，那么您只需确保以下JAR文件在构建路径上(另外还有导入的Struts JAR文件)。
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