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Setup Eclipse

A preinstalled eclipse can be found at our files server Software:/MacOSX/Software/Eclipse

Install Eclipse (3.3.2)

Download the Java EE edition. It must include WTP.

Subversive (Subversion Plugin)

Register the following URLs in Help / Software Updates

Maven integration

Register the following URLs in Help / Software Updates

JIRA integration

  • Check Mylyn Extras and select JIRA integration

Setup Project

Create New Project

Select New / Other (not Project) 

Select Maven checkout from SCM

Provide subversion URL

1. http://svn.magnolia-cms.com/svn/community/magnolia/trunk/

2. Enable eclipse profile in the advanced settings

Check if you got all the projects (the sub modules)

Create a Server

If not yet done create a server.

Deploy the Webapp project

Open Server Edit Pane

Doubleclick on the server item 

Disable publishing

Make sure that the option Serve modules without publishing is selected. This ensures that the classes are taken from the target directories. 

Freemarker specific settings

For using the tag libs with freemarker you will need to edit web.xml and add the following lines:

<jsp-config>
   <taglib>
     <taglib-uri>cms-taglib</taglib-uri>
     <taglib-location>cms-taglib.tld</taglib-location>
   </taglib>
   <taglib>
     <taglib-uri>cms-util-taglib</taglib-uri>
     <taglib-location>cms-util-taglib.tld</taglib-location>
   </taglib>
</jsp-config>

And copy the files to webapp/WEB-INF

Configure Code Style

If you are a internal developer or a contributor please follow the instructions found here: Code style

Known Poblems

Wrong maven version is used for dependency checks

If the project can't build because of the following message (printed in Maven Console)

[WARN] Rule 0: org.apache.maven.plugin.enforcer.RequireMavenVersion failed with message: Detected Maven Version: 2.1-SNAPSHOT is not in the allowed range [2.0.9,2.0.9].

The expected stacktrace on startup is:

SEVERE: Exception sending context initialized event to listener instance of class info.magnolia.cms.servlets.MgnlServletContextListener
java.lang.NullPointerException
	at info.magnolia.cms.beans.config.PropertiesInitializer.loadAllModuleProperties(PropertiesInitializer.java:92)
	at info.magnolia.cms.beans.config.PropertiesInitializer.loadAllProperties(PropertiesInitializer.java:79)
	at info.magnolia.cms.servlets.MgnlServletContextListener.contextInitialized(MgnlServletContextListener.java:176)
	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843)
	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4350)

You can either add the following to the pluginManagement section if your main project pom to disable the enforcer plugin or select the eclipse profile:

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-enforcer-plugin</artifactId>
  <configuration>
    <skip>true</skip>
  </configuration>
</plugin>

Then clean all projects

To ensure that everything is fine you have to check if magnolia-core/target/classes/mgnl-bean.properties exist.

Freemarker can't find tags (tlds)

Freemarker searches explicitly only in WEB-INF/lib for the tld files to load. But normally if you develop by using eclipse the jars won't lay there. A valid workaround is to copy the needed tld files to the WEB-INF folder and to edit the web.xml to make the tlds available.

  <jsp-config>
    <taglib>
        <taglib-uri>cms-taglib</taglib-uri>
        <taglib-location>cms-taglib.tld</taglib-location>
    </taglib>
    <taglib>
        <taglib-uri>cms-util-taglib</taglib-uri>
        <taglib-location>cms-util-taglib.tld</taglib-location>
    </taglib>
  </jsp-config>

Project contains duplicate entry

Sometimes the same jar is references twice (by maven and EAR dependencies). To make the project compile again you must remove the ear dependency:

  • right click project -> Java EE -> Update EAR libraries

Webapp project don't work

  1. make sure that you have only one webapp project open
  2. add the pom dependency (not only the war dependency) otherwise the dependencies defined in the referenced war file won't be seen
  3. use war:inplace to overlay the webapp project
    • ensure that you delete WEB-INF/lib afterwards

Trouble shooting step by step

  1. check if there are any build issues denoted in the problem view
  2. check if there are any problems denoted in the pom.xml (missing parents, ..)
  3. check if the project builds in the terminal (by using mvn only)
    • are the parent poms available?
  4. check the maven log in eclipse (select the maven console in the console view)
    • are the logs fine?
    • verify that there is no version conflict thrown by the enforcer plugin
      • if so configure the project to use the eclipse profile in the project settings (maven tab)
  5. clean the project
    • this ensures that maven is used to build the resources
    • verify that the resources have been built (module descriptor in taget/classes/META-INF/magnolia
  6. update project configuration
    • right click project -> maven -> update project configuration
    • check the maven console (some errors are not reported to the GUI)
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