[CONF] Apache Tapestry > Loading the Project Into Eclipse

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Loading the Project Into Eclipse Page edited by Howard M. Lewis Ship Changes (2) {tutorialnav} The first step is to ask Maven to generate the Eclipse control files ({{.classpath}} and {{.project}}) for us: {noformat} $ mvn eclipse:eclipse -DdownloadSources=true [INFO] Scanning for projects... [INFO] Searching repository for plugin with prefix: 'eclipse'. [INFO] org.apache.maven.plugins: checking for updates from apache-snapshots [INFO] org.codehaus.mojo: checking for updates from apache-snapshots [INFO] artifact org.apache.maven.plugins:maven-eclipse-plugin: checking for updates from apache-snapshots [INFO] snapshot org.apache.maven.plugins:maven-eclipse-plugin:2.9-SNAPSHOT: checking for updates from apache-snapshots Downloading: http://repository.apache.org/snapshots//org/apache/maven/plugins/maven-eclipse-plugin/2.9-SNAPSHOT/maven-eclipse-plugin-2.9-20101117.070458-148.pom 11K downloaded (maven-eclipse-plugin-2.9-20101117.070458-148.pom) Downloading: http://repository.apache.org/snapshots//org/apache/maven/plugins/maven-eclipse-plugin/2.9-SNAPSHOT/maven-eclipse-plugin-2.9-20101117.070458-148.jar 194K downloaded (maven-eclipse-plugin-2.9-20101117.070458-148.jar) [INFO] ------------------------------------------------------------------------ [INFO] Building tutorial1 Tapestry 5 Application [INFO] task-segment: [eclipse:eclipse] [INFO] ------------------------------------------------------------------------ [INFO] Preparing eclipse:eclipse [INFO] No goals needed for project - skipping [INFO] [eclipse:eclipse {execution: default-cli}] [INFO] Using Eclipse Workspace: /Users/Howard/Documents/workspace [INFO] Adding default classpath container: org.eclipse.jdt.launching.JRE_CONTAINER [INFO] Wrote settings to /Users/Howard/Documents/workspace/tutorial1/.settings/org.eclipse.jdt.core.prefs [INFO] Wrote Eclipse project for "tutorial1" to /Users/Howard/Documents/workspace/tutorial1. [INFO] [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESSFUL [INFO] ------------------------------------------------------------------------ [INFO] Total time: 5 seconds [INFO] Finished at: Wed Nov 17 17:13:11 PST 2010 [INFO] Final Memory: 21M/81M [INFO] ------------------------------------------------------------------------ ~/Documents/workspace/tutorial1 $ {noformat} At this point, Maven has created the Eclipse {{.project}} and {{.classpath}} files, and we can import the project. Launch Eclipse and switch over to the Java Perspective. Right click inside the Package Explorer view and select *Import ...* !eclipse-java-persp.png|align=center,thumbnail! Choose the "existing projects" option: !eclipse-import.png|align=center,thumbnail! Now select the folder created by Maven: !eclipse-import-folder.png|align=center,thumbnail! When you click the Finish button, the project will be imported into the Eclipse workspace. !eclipse-project-errors.png|align=center,thumbnail! However; there are many errors. Maven expects that you will configure a classpath variable, {{M2_REPO}}, that points at your local repository; a directory in your home directory that stores all those downloaded JARs and other files. Open Eclipse's preferences panel and navigate to *Java > Build Path > Classpath Variables*: !eclipse-classpath-vars.png|align=center,thumbnail! Click the *New* button, and enter the new variable (you'll have to adjust this for your operating system and local paths): !eclipse-new-var.png|align=center,thumbnail! Eclipse will ask to perform a clean build, and the errors will be gone once it has done so. {tutorialnav} Full Content Tapestry Tutorial Dependencies, Tools and Plugins Creating The Skeleton Application Loading the Project Into Eclipse Hilo Forms Forms2 The first step is to ask Maven to generate the Eclipse control files (.classpath and .project) for us: $ mvn eclipse:eclipse -DdownloadSources=true [INFO] Scanning for projects... [INFO] Searching repository for plugin with prefix: 'eclipse'. [INFO] org.apache.maven.plugins: checking for updates from apache-snapshots [INFO] org.codehaus.mojo: checking for updates from apache-snapshots [INFO] artifact org.apache.maven.plugins:maven-eclipse-plugin: checking for updates from apache-snapshots [INFO] snapshot org.apache.maven.plugins:maven-eclipse-plugin:2.9-SNAPSHOT: checking for updates from apache-snapshots Downloading: http://repository.apache.org/snapshots//org/apache/maven/plugins/maven-eclipse-plugin/2.9-SNAPSHOT/maven-eclipse-plugin-2.9-20101117.070458-148.pom 11K downloaded (maven-eclipse-plugin-2.9-20101117.070458-148.pom) Downloading: http://repository.apache.org/snapshots//org/apache/maven/plugins/maven-eclipse-plugin/2.9-SNAPSHOT/maven-eclipse-plugin-2.9-20101117.070458-148.jar 194K downloaded (maven-eclipse-plugin-2.9-20101117.070458-148.jar) [INFO] ------------------------------------------------------------------------ [INFO] Building tutorial1 Tapestry 5 Application [INFO] task-segment: [eclipse:eclipse] [INFO] ------------------------------------------------------------------------ [INFO] Preparing eclipse:eclipse [INFO] No goals needed for project - skipping [INFO] [eclipse:eclipse {execution: default-cli}] [INFO] Using Eclipse Workspace: /Users/Howard/Documents/workspace [INFO] Adding default classpath container: org.eclipse.jdt.launching.JRE_CONTAINER [INFO] Wrote settings to /Users/Howard/Documents/workspace/tutorial1/.settings/org.eclipse.jdt.core.prefs [INFO] Wrote Eclipse project for "tutorial1" to /Users/Howard/Documents/workspace/tutorial1. [INFO] [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESSFUL [INFO] ------------------------------------------------------------------------ [INFO] Total time: 5 seconds [INFO] Finished at: Wed Nov 17 17:13:11 PST 2010 [INFO] Final Memory: 21M/81M [INFO] ------------------------------------------------------------------------ ~/Documents/workspace/tutorial1 $ At this point, Maven has created the Eclipse .project and .classpath files, and we can import the project. Launch Eclipse and switch over to the Java Perspective. Right click inside the Package Explorer view and select Import ... Unable to render embedded object: File (eclipse-java-persp.png) not found. Choose the "existing projects" option: Unable to render embedded object: File (eclipse-import.png) not found. Now select the folder created by Maven: Unable to render embedded object: File (eclipse-import-folder.png) not found. When you click the Finish button, the project will be imported into the Eclipse workspace. Unable to render embedded object: File (eclipse-project-errors.png) not found. However; there are many errors. Maven expects that you will configure a classpath variable, M2_REPO, that points at your local repository; a directory in your home directory that stores all those downloaded JARs and other files. Open Eclipse's preferences panel and navigate to Java > Build Path > Classpath Variables: Unable to render embedded object: File (eclipse-classpath-vars.png) not found. Click the New button, and enter the new variable (you'll have to adjust this for your operating system and local paths): Unable to render embedded object: File (eclipse-new-var.png) not found. Eclipse will ask to perform a clean build, and the errors will be gone once it has done so. Change Notification Preferences View Online | View Changes