Eclipse 项目类型定义/配置

Question

我正在尝试使用具有自己不同项目类型的修改版 Eclipse。对于某些项目类型，当我创建项目时，重新启动然后删除（未选中从磁盘中删除）项目我收到以下错误：

org.eclipse.core.internal.resources.ResourceException: Resource '/projectName' does not exist.
at org.eclipse.core.internal.resources.Resource.checkExists(Resource.java:341)
at org.eclipse.core.internal.resources.Resource.checkAccessible(Resource.java:215)
at org.eclipse.core.internal.resources.Project.checkAccessible(Project.java:147)
at org.eclipse.core.internal.resources.Resource.checkAccessibleAndLocal(Resource.java:221)
at org.eclipse.core.internal.resources.Resource.touch(Resource.java:1949)
at org.eclipse.core.internal.resources.Project.touch(Project.java:1403)
at org.eclipse.wst.jsdt.internal.core.SetContainerOperation.execute(SetContainerOperation.java:122)
at org.eclipse.wst.jsdt.core.JavaScriptCore.setJsGlobalScopeContainer(JavaScriptCore.java:3901)
at org.eclipse.wst.jsdt.launching.JREContainerInitializer.initialize(JREContainerInitializer.java:48)
at org.eclipse.wst.jsdt.internal.core.JavaModelManager.initializeContainer(JavaModelManager.java:2214)
at org.eclipse.wst.jsdt.internal.core.JavaModelManager$6.run(JavaModelManager.java:2144)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2313)
at org.eclipse.wst.jsdt.internal.core.JavaModelManager.initializeAllContainers(JavaModelManager.java:2160)
at org.eclipse.wst.jsdt.internal.core.JavaModelManager.getJsGlobalScopeContainer(JavaModelManager.java:1536)
at org.eclipse.wst.jsdt.core.JavaScriptCore.getJsGlobalScopeContainer(JavaScriptCore.java:1319)
at org.eclipse.wst.jsdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2747)
at org.eclipse.wst.jsdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:2026)
at org.eclipse.wst.jsdt.core.JavaScriptCore.initializeAfterLoad(JavaScriptCore.java:2655)
at org.eclipse.wst.jsdt.internal.ui.InitializeAfterLoadJob$RealJob.run(InitializeAfterLoadJob.java:32)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54)

!SUBENTRY 1 org.eclipse.core.resources 4 368 2015-07-06 13:39:58.865 !MESSAGE 资源“/projectName”不存在。

我的怀疑是 eclipse 不承认这是一个项目或其他东西。所以问题如下：有人知道eclipse如何定义可接受/可用的项目类型吗？

Answer 1

您的堆栈跟踪显示工作区中没有文件夹projectName，因此看起来该项目根本不存在。

项目文件夹中.project 文件的内容定义了项目的“性质”和“建设者”。例如，Java 插件项目.project 文件可能如下所示：

<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
    <name>projectName</name>
    <comment></comment>
    <projects>
    </projects>
    <buildSpec>
        <buildCommand>
            <name>org.eclipse.jdt.core.javabuilder</name>
            <arguments>
            </arguments>
        </buildCommand>
        <buildCommand>
            <name>org.eclipse.pde.ManifestBuilder</name>
            <arguments>
            </arguments>
        </buildCommand>
        <buildCommand>
            <name>org.eclipse.pde.SchemaBuilder</name>
            <arguments>
            </arguments>
        </buildCommand>
        <buildCommand>
            <name>org.eclipse.pde.ds.core.builder</name>
            <arguments>
            </arguments>
        </buildCommand>
    </buildSpec>
    <natures>
        <nature>org.eclipse.pde.PluginNature</nature>
        <nature>org.eclipse.jdt.core.javanature</nature>
    </natures>
</projectDescription>

IProjectDescription 接口提供了用于设置这些值的 API。