我开始使用以下环境开展一个新项目：
- Ubuntu 12.04
- java版本“1.6.0_27”
- 面向 Web 开发人员的 Eclipse Java EE IDE。版本：Helios 服务版本 1
- SpringSource 工具套件版本：2.9.2.RELEASE
- tomcat 6（我可以从 Eclipse IDE 启动、停止）
- PostgresSql 数据库 + pgAdmin III
我遵循了预期的教程：
- docs.spring.io/spring-roo/reference/html/beginning.html
- docs.spring.io/spring-roo/reference/html/base-dbre.html
我设法创建了我的项目，并使用逆向工程过程生成了所有业务对象。我还设法使用 Web MVC 流程创建了控制器对象。
我遇到的问题是我无法让我的项目在tomcat上运行。我无法创建服务器并将我的项目添加到其中：我右键单击服务器选项卡，新建 => 新服务器 => 我选择 tomcat 6 => 我检查运行时环境：链接到 /opt/tomcat6 并使用工作台默认 JRE 作为预期 => 我单击下一步按钮：然后我无法在列表中看到我的项目。所以我无法将它添加到服务器为了尝试另一种方式，我将我的项目导出到位于 /opt/tomcat6 的 war 文件中。当我更新war文件时，似乎我的应用程序在webapps上更新了但我认为war文件不正确，因为这是它的内容：
-- log.roo
-- pom.xml
-- .settings/
-- src/ And here
-- ++ main/
-- ++ ** java/
-- ++ ** resources/
-- ++ ** webapp/
-- ++ ** -- images/
-- ++ ** -- styles/
-- ++ ** -- WEB-INF/
-- ++ ** -- ++ classes/
-- ++ ** -- ++ i18n/
-- ++ ** -- ++ layouts/
-- ++ ** -- ++ spring/
-- ++ ** -- ++ tags/
-- ++ ** -- ++ views/
-- ++ ** -- ++ web.xml
当我在本地主机：8080/MyProject/ 上运行时，出现 404 错误……我认为根据目录内容是预期的……？？？...
从网上搜索，我对 Project Facets 很感兴趣...我看到一个帖子，有人被告知右键单击该项目 => 配置 => 转换为分面形式...
只要“转换为多面形式......”末尾有树点，我点击这个菜单......它实际上转换了项目-_-
我不知道这是否是一个额外的问题，或者它是否是一件好事......但目前它并没有解决我的问题。
顺便说一句，我现在可以为我的项目选择方面......但是哪一个？？？那是另一个问题...
还有一个线索：
在查看 Eclipse 的“问题”选项卡时，我发现我有 100 次相同的错误：
Description Resource Path Location Type
javax.servlet cannot be resolved to a type category.tagx /MyProject/src/main/webapp/WEB-INF/tags/menu line 1 JSP Problem
但是，我的 pom.xml 中有预期的以下内容：
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
在“错误日志”选项卡中，我也有以下错误（这应该与我的问题无关？）：错误项目 facet grails.app 尚未定义。它用于插件 com.springsource.sts.server.tc.core。
我也有这个消息（这肯定与我的问题有关？）：
Info build: Abort due to missing classpath/inpath/aspectpath entries
Info /MyProject : Project 'MyProject' is missing required source folder: 'src/test/resources'
Info /MyProject : Project 'MyProject' is missing required source folder: 'src/test/java'
这些文件夹是存在的......但我没有使用它们，所以我从构建路径管理窗口的“源”选项卡中删除了它们。它在“错误日志”选项卡中产生了很多错误。这里有几个例子可以帮助你帮助我：
Error Problems occurred when invoking code from plug-in: "org.eclipse.jdt.core".
java.lang.NullPointerException: type must not be null
at org.eclipse.jst.ws.jaxws.utils.ContractChecker.nul lCheckParam(ContractChecker.java:40)
at org.eclipse.jst.ws.jaxws.utils.internal.annotation s.impl.AnnotationInspectorImpl.<init>(AnnotationIn spectorImpl.java:76)
at org.eclipse.jst.ws.jaxws.utils.annotations.Annotat ionFactory.createAnnotationInspector(AnnotationFac tory.java:350)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.J axWsWorkspaceResource.newAnnotationInspector(JaxWs WorkspaceResource.java:206)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.AbstractModelSynchronizer.processCompilationUn it(AbstractModelSynchronizer.java:115)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.handleAddedCompilatio nUnit(OnEventModelSynchronizer.java:354)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.recursevilyHandleComp ilationUnits(OnEventModelSynchronizer.java:278)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.recursevilyHandleComp ilationUnits(OnEventModelSynchronizer.java:302)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.recursevilyHandleComp ilationUnits(OnEventModelSynchronizer.java:302)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.handleChangedProject( OnEventModelSynchronizer.java:176)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.elementChanged(OnEven tModelSynchronizer.java:86)
at org.eclipse.jdt.internal.core.DeltaProcessor$3.run (DeltaProcessor.java:1557)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner .java:42)
at org.eclipse.jdt.internal.core.DeltaProcessor.notif yListeners(DeltaProcessor.java:1547)
at org.eclipse.jdt.internal.core.DeltaProcessor.fireP ostChangeDelta(DeltaProcessor.java:1381)
at org.eclipse.jdt.internal.core.DeltaProcessor.fire( DeltaProcessor.java:1357)
at org.eclipse.jdt.internal.core.JavaModelOperation.r un(JavaModelOperation.java:769)
at org.eclipse.core.internal.resources.Workspace.run( Workspace.java:1975)
at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:47 77)
at org.eclipse.jst.jsp.core.internal.validation.JSPBa tchValidator.validate(JSPBatchValidator.java:532)
at org.eclipse.wst.validation.Validator$V2.validate(V alidator.java:1159)
at org.eclipse.wst.validation.internal.ValManager.val idate(ValManager.java:704)
at org.eclipse.wst.validation.internal.ValBuilderJob$ Visitor.visit(ValBuilderJob.java:334)
at org.eclipse.core.internal.events.ResourceDelta.acc ept(ResourceDelta.java:68)
at org.eclipse.core.internal.events.ResourceDelta.acc ept(ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.acc ept(ResourceDelta.java:48)
at org.eclipse.wst.validation.internal.ValBuilderJob. deltaBuild(ValBuilderJob.java:211)
at org.eclipse.wst.validation.internal.ValBuilderJob. run(ValBuilderJob.java:179)
at org.eclipse.wst.validation.internal.ValBuilderJob. runInWorkspace(ValBuilderJob.java:126)
at org.eclipse.core.internal.resources.InternalWorksp aceJob.run(InternalWorkspaceJob.java:38)
at org.eclipse.core.internal.jobs.Worker.run(Worker.j ava:54)
Error Exception occurred in listener of Java element change notification
java.lang.NullPointerException: type must not be null
at org.eclipse.jst.ws.jaxws.utils.ContractChecker.nul lCheckParam(ContractChecker.java:40)
at org.eclipse.jst.ws.jaxws.utils.internal.annotation s.impl.AnnotationInspectorImpl.<init>(AnnotationIn spectorImpl.java:76)
at org.eclipse.jst.ws.jaxws.utils.annotations.Annotat ionFactory.createAnnotationInspector(AnnotationFac tory.java:350)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.J axWsWorkspaceResource.newAnnotationInspector(JaxWs WorkspaceResource.java:206)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.AbstractModelSynchronizer.processCompilationUn it(AbstractModelSynchronizer.java:115)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.handleAddedCompilatio nUnit(OnEventModelSynchronizer.java:354)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.recursevilyHandleComp ilationUnits(OnEventModelSynchronizer.java:278)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.recursevilyHandleComp ilationUnits(OnEventModelSynchronizer.java:302)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.recursevilyHandleComp ilationUnits(OnEventModelSynchronizer.java:302)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.handleChangedProject( OnEventModelSynchronizer.java:176)
at org.eclipse.jst.ws.jaxws.dom.runtime.persistence.s ync.OnEventModelSynchronizer.elementChanged(OnEven tModelSynchronizer.java:86)
at org.eclipse.jdt.internal.core.DeltaProcessor$3.run (DeltaProcessor.java:1557)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner .java:42)
at org.eclipse.jdt.internal.core.DeltaProcessor.notif yListeners(DeltaProcessor.java:1547)
at org.eclipse.jdt.internal.core.DeltaProcessor.fireP ostChangeDelta(DeltaProcessor.java:1381)
at org.eclipse.jdt.internal.core.DeltaProcessor.fire( DeltaProcessor.java:1357)
at org.eclipse.jdt.internal.core.JavaModelOperation.r un(JavaModelOperation.java:769)
at org.eclipse.core.internal.resources.Workspace.run( Workspace.java:1975)
at org.eclipse.jdt.core.JavaCore.run(JavaCore.java:47 77)
at org.eclipse.jst.jsp.core.internal.validation.JSPBa tchValidator.validate(JSPBatchValidator.java:532)
at org.eclipse.wst.validation.Validator$V2.validate(V alidator.java:1159)
at org.eclipse.wst.validation.internal.ValManager.val idate(ValManager.java:704)
at org.eclipse.wst.validation.internal.ValBuilderJob$ Visitor.visit(ValBuilderJob.java:334)
at org.eclipse.core.internal.events.ResourceDelta.acc ept(ResourceDelta.java:68)
at org.eclipse.core.internal.events.ResourceDelta.acc ept(ResourceDelta.java:79)
at org.eclipse.core.internal.events.ResourceDelta.acc ept(ResourceDelta.java:48)
at org.eclipse.wst.validation.internal.ValBuilderJob. deltaBuild(ValBuilderJob.java:211)
at org.eclipse.wst.validation.internal.ValBuilderJob. run(ValBuilderJob.java:179)
at org.eclipse.wst.validation.internal.ValBuilderJob. runInWorkspace(ValBuilderJob.java:126)
at org.eclipse.core.internal.resources.InternalWorksp aceJob.run(InternalWorkspaceJob.java:38)
at org.eclipse.core.internal.jobs.Worker.run(Worker.j ava:54)
Error File not found: '/MyProject/src/main/java/__2F_MyProject_2F_src_2F_main_2F_webapp_2F_WEB_2D_ INF_2F_tags_2F_form_2F_fields_2F_select_2E_tagx.ja va'
org.eclipse.core.internal.resources.ResourceExcept ion: Resource '/MyProject/src/main/java/__2F_MyProject_2F_src_2F_main_2F_webapp_2F_WEB_2D_ INF_2F_tags_2F_form_2F_fields_2F_select_2E_tagx.ja va' does not exist.
at org.eclipse.core.internal.resources.Resource.check Exists(Resource.java:326)
at org.eclipse.core.internal.resources.Resource.check Accessible(Resource.java:200)
at org.eclipse.core.internal.resources.File.getConten ts(File.java:291)
at org.eclipse.jdt.internal.core.util.Util.getResourc eContentsAsCharArray(Util.java:1186)
at org.eclipse.jdt.internal.core.CompilationUnit.getC ontents(CompilationUnit.java:649)
(...)
at org.eclipse.core.internal.events.ResourceDelta.acc ept(ResourceDelta.java:48)
at org.eclipse.wst.validation.internal.ValBuilderJob. deltaBuild(ValBuilderJob.java:211)
at org.eclipse.wst.validation.internal.ValBuilderJob. run(ValBuilderJob.java:179)
at org.eclipse.wst.validation.internal.ValBuilderJob. runInWorkspace(ValBuilderJob.java:126)
at org.eclipse.core.internal.resources.InternalWorksp aceJob.run(InternalWorkspaceJob.java:38)
at org.eclipse.core.internal.jobs.Worker.run(Worker.j ava:54)
现在我在“问题”选项卡中有以下错误：
描述资源路径位置类型类路径错误：无法找到org.aspectj.lang.JoinPoint（检查aspectjrt.jar是否在您的类路径中） MyProject Unknown Java Problem
但是，我的 pom.xml 中有预期的内容：
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${aspectj.version}</version>
</dependency>