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Convert Maven based web application to support eclipse

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In this section, you will learn to convert Maven based web application to support eclipse.

Convert Maven based web application to support eclipse

In this section, you will learn to convert Maven based web application to support eclipse.

The apache-maven-2.2.1 versions is used in the below example.

Note: If you are unaware of creating web application using maven click here.

Follow the Step to to convert Maven based web application to eclipse web application :

Step1 : First, you need to configure maven-eclipse-plugin in pom.xml as follows :

<!--maven-eclipse-plugin-->
<plugin>
	<artifactId>maven-eclipse-plugin</artifactId>
	<version>2.9</version>
	<configuration>
		<pde>true</pde>
	</configuration>
</plugin>

Step 2: Run mvn install to install the maven-compiler-plugin.

C:\project_maven\roseindia-webapp>mvn install
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Building roseindia-webapp Maven Webapp
[INFO] task-segment: [install]
[INFO] ------------------------------------------------------------------------
Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-eclips
e-plugin/2.9/maven-eclipse-plugin-2.9.pom
14K downloaded (maven-eclipse-plugin-2.9.pom)
Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-plugin
s/22/maven-plugins-22.pom
12K downloaded (maven-plugins-22.pom)
Downloading: http://repo1.maven.org/maven2/org/apache/maven/maven-parent/21/mave
n-parent-21.pom
25K downloaded (maven-parent-21.pom)
Downloading: http://repo1.maven.org/maven2/org/apache/maven/plugins/maven-eclips
e-plugin/2.9/maven-eclipse-plugin-2.9.jar
212K downloaded (maven-eclipse-plugin-2.9.jar)
[INFO] [resources:resources {execution: default-resources}]
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources,
i.e. build is platform dependent!
[INFO] Copying 0 resource
[INFO] [compiler:compile {execution: default-compile}]
[INFO] No sources to compile
[INFO] [resources:testResources {execution: default-testResources}]
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources,
i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory C:\project_maven\roseindia-webapp\src
\test\resources
[INFO] [compiler:testCompile {execution: default-testCompile}]
[INFO] No sources to compile
[INFO] [surefire:test {execution: default-test}]
[INFO] No tests to run.
[INFO] [war:war {execution: default-war}]
[INFO] Packaging webapp
[INFO] Assembling webapp[roseindia-webapp] in [C:\project_maven\roseindia-webapp
\target\roseindia-webapp]
[INFO] Processing war project
[INFO] Copying webapp resources[C:\project_maven\roseindia-webapp\src\main\webap
p]
[INFO] Webapp assembled in[31 msecs]
[INFO] Building war: C:\project_maven\roseindia-webapp\target\roseindia-webapp.w
ar
[INFO] [install:install {execution: default-install}]
[INFO] Installing C:\project_maven\roseindia-webapp\target\roseindia-webapp.war
to C:\Documents and Settings\satya\.m2\repository\net\roseindia\roseindia-webapp
\1.0\roseindia-webapp-1.0.war
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 5 seconds
[INFO] Finished at: Fri Jul 13 12:24:34 GMT+05:30 2012
[INFO] Final Memory: 11M/28M
[INFO] ------------------------------------------------------------------------

Step 3 :Run mvn eclipse:eclipse -Dwtpversion=2.0 command to convert Maven based web application to support eclipse :

C:\project_maven\roseindia-webapp>mvn eclipse:eclipse -Dwtpversion=2.0

[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Building roseindia-webapp Maven Webapp
[INFO] task-segment: [eclipse:eclipse]
[INFO] ------------------------------------------------------------------------
[INFO] Preparing eclipse:eclipse
[INFO] No goals needed for project - skipping
[INFO] [eclipse:eclipse {execution: default-cli}]
[INFO] Adding support for WTP version 2.0.
[INFO] Using Eclipse Workspace: C:\
[INFO] Adding default classpath container: org.eclipse.jdt.launching.JRE_CONTAIN
ER
[INFO] The Maven Eclipse plugin runs in 'pde'-mode.
[WARNING] The references manifest file doesnt exist, plugin dependencies will no
t be updated: {0}
[INFO] File C:\project_maven\roseindia-webapp\.project already exists.
Additional settings will be preserved, run mvn eclipse:clean if you want
old settings to be removed.
[INFO] Wrote Eclipse project for "roseindia-webapp" to C:\project_maven\roseindi
a-webapp.
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1 second
[INFO] Finished at: Fri Jul 13 13:36:54 GMT+05:30 2012
[INFO] Final Memory: 9M/22M
[INFO] ------------------------------------------------------------------------
'cmd' is not recognized as an internal or external command,
operable program or batch file.
C:\project_maven\roseindia-webapp>mvn eclipse:eclipse -Dwtpversion=2.0
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Building roseindia-webapp Maven Webapp
[INFO] task-segment: [eclipse:eclipse]
[INFO] ------------------------------------------------------------------------
[INFO] Preparing eclipse:eclipse
[INFO] No goals needed for project - skipping
[INFO] [eclipse:eclipse {execution: default-cli}]
[INFO] Adding support for WTP version 2.0.
[INFO] Using Eclipse Workspace: C:\
[INFO] Adding default classpath container: org.eclipse.jdt.launching.JRE_CONTAIN
ER
[INFO] Wrote settings to C:\project_maven\roseindia-webapp\.settings\org.eclipse
.jdt.core.prefs
[INFO] The Maven Eclipse plugin runs in 'pde'-mode.
[WARNING] The references manifest file doesnt exist, plugin dependencies will no
t be updated: {0}
[INFO] Wrote Eclipse project for "roseindia-webapp" to C:\project_maven\roseindi
a-webapp.
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1 second
[INFO] Finished at: Fri Jul 13 13:37:30 GMT+05:30 2012
[INFO] Final Memory: 9M/22M
[INFO] ------------------------------------------------------------------------

You can see the newly created folder .settings, and two files .classpath and .project inside your project folder as given below :

Step 4: Import Maven project into Eclipse project as follows :

Go to File menu >Import option >Existing Projects into Workspace>click next

Browse the Maven project and click Finish as given below :

Now, you can see your application(roseindia-webapp) in Eclipse :

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Posted on: July 13, 2012

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