what eclipse plugin are you using? you should ask in its mailing list
though dependeing on which one you use
On 9/15/07, Marco Mistroni <[EMAIL PROTECTED]> wrote:
> Hello,
> sorry to hijack this hteread.. but i have a questionr egarding mvn &
> eclipse integration
>
> somehow, even after i enable a maven project iva eclipse, the classpath in
> eclipse is screwed up big time
> i hav dfined a m2_repo variable, but still i am getting errors from all
> import i do, like eclipse does not know
> where to look for external packages i import (such as spring, log4j etc..)
>
> i ws wondering how i can enable eclipse to have same classpath as maven.....
>
> any help would be appreciated
>
> thanks and regards
> marco
>
>
> On 9/15/07, Carlos Sanchez <[EMAIL PROTECTED]> wrote:
> >
> > most of your steps can be done in Q4E by going to the "New project"
> > wizard, "Ne Maven 2 project", choose the archetype and fill in the
> > blanks
> >
> > On 9/14/07, Alexander Sack <[EMAIL PROTECTED]> wrote:
> > > Hi Everybody:
> > >
> > > You know Eclipse/Maven2 integration at this point can be very confusing.
> > > You have three plugins, two of which are ECLIPSE plugins that integrate
> > > Maven2 while the other is a Maven2 plugin that happens to auto-generate
> > > files for Eclipse. I wrote this below and I figured I would share to
> > see if
> > > it helps anyone else.
> > >
> > > The main advantages of Codehaus and Q4E (which I plan to try very soon
> > but I
> > > will assume it does similar things that Codehaus does) is that they
> > > integrate the POM dependency graph as part of your Eclipse project's
> > Build
> > > Path, i.e. it autoupdates dependencies as you add them to the POM. The
> > > maven-eclipse-plugin relies on creating a separate CLASSPATH CONTAINER
> > > variable referenced in your .classpath file to use your local maven2
> > > repository (the M2_REPO variable in the directions - btw this is typical
> > for
> > > other plugins like the JBoss tools). Unfortunately the latter is not as
> > > dynamic when it comes to adding and deleting dependencies in your
> > project.
> > >
> > > Codehaus installs on 3.1.x and up (I've used it with 3.1.1 specifically
> > and
> > > with 3.3 though for some reason its buggy under 3.3).
> > >
> > > What I do to setup a project is the following:
> > >
> > > - Use mvn archetype to setup the basic structure
> > > - Create a new Java project with Maven2 nature enabled
> > > - Import archetype directory structure into this project
> > > - Edit the Build Path within Eclipse
> > > - Use ant build file to execute mvn from within Eclipse
> > >
> > > Here is an example (I'm using Eclipse 3.1.1 w/Codehaus m2eclipse
> > plugin):
> > >
> > > 1) In some temporary directory
> > > mvn archetype:create -DgroupId=com.example.project-DartifactId=MyProject
> > > 2) Edit pom.xml to packaging is pom, rm -rf the src directory
> > > 3) Within MyProject use archetype plugin to create other modules which
> > adds
> > > them to parent module, e.g.
> > >
> > > mvn archetype create -DgroupId=com.example.project -DartifactId=ejb3
> > > mvn archetype create -DgroupId=com.example.project -DartifactId=war
> > >
> > > This will create two sub modules, one for war, one for ejb3. You can
> > change
> > > the packaging to war and jar (or ejb) respectively.
> > >
> > > 4) Now go into Eclipse and do a new project MyProject and import the
> > > MyProject you created above via Filesystem
> > > 5) Enable Maven2 nature, now Maven2 dependencies will show up and
> > > dynamically change as you edit your POM hierarchy
> > > 6) Edit Build Path in Project's properties and remove
> > MyProject. Instead
> > > add the ejb3/src/main/java and war/src/main/java source folders.
> > > 7) Check "Allow output folders for source folders"
> > > 8) Now I use a generic build.xml ANT file to execute Maven2 such as
> > this:
> > >
> > > <project name="MyProject" default="all">
> > > <property environment="env"/>
> > > <property file=" build.properties"/>
> > >
> > > <!-- Feel free to conditional this to execute the bat or shell
> > depending
> > > on OS -->
> > > <property name="mvn" value="${env.MAVEN_HOME}\bin\mvn.bat"/>
> > >
> > > <target name="mvn">
> > > <exec dir="${basedir}" executable="${mvn}">
> > > <arg line="-P${maven.profile.list} -
> > Dmaven.test.skip=true${goal}"/>
> > > </exec>
> > > </target>
> > >
> > > <target name="clean">
> > > <antcall target="mvn">
> > > <param name="goal" value="clean"/>
> > > </antcall>
> > > </target>
> > >
> > > <target name="process-resources">
> > > <antcall target="mvn">
> > > <param name="goal" value="process-resources"/>
> > > </antcall>
> > > </target>
> > >
> > > <target name="compile">
> > > <antcall target="mvn">
> > > <param name="goal" value="compile"/>
> > > </antcall>
> > > </target>
> > >
> > > <target name="site">
> > > <antcall target="mvn">
> > > <param name="goal" value="site"/>
> > > </antcall>
> > > </target>
> > >
> > > <target name="all">
> > > <antcall target="package"/>
> > > </target>
> > >
> > > <target name="package">
> > > <antcall target="mvn">
> > > <param name="goal" value="package"/>
> > > </antcall>
> > > </target>
> > >
> > > <target name="install">
> > > <antcall target="mvn">
> > > <param name="goal" value="install"/>
> > > </antcall>
> > > </target>
> > > </project>
> > >
> > > Mine has some more stuff in it but you get the idea.
> > >
> > > 9) Now copy build.xml to Ant View and execute targets
> > > 10) Remove the old MyProject you imported as now its part of your
> > workspace
> > > (I guess you could have not imported it originally which is an extra
> > step)
> > >
> > > I have NO idea if this is what others do but this works great for my
> > > builds. I can build from the command line using ant (as well as allow
> > ant
> > > to do some preprocessing that Maven2 might or might not be able to
> > > accomplish as easy) as well as build from Eclipse. I have built several
> > > products this way without any issue (nightly builds use the command
> > line,
> > > developers such as myself use Eclipse).
> > >
> > > Try it....hope this helps a little....I will play with Q4E with Europa
> > > (which I want for just for the server instances stuff).
> > >
> > > Thanks!
> > >
> > > -aps
> > >
> > > --
> > > "What lies behind us and what lies in front of us is of little concern
> > to
> > > what lies within us." -Ralph Waldo Emerson
> > >
> >
> >
> > --
> > I could give you my word as a Spaniard.
> > No good. I've known too many Spaniards.
> > -- The Princess Bride
> >
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> >
>
--
I could give you my word as a Spaniard.
No good. I've known too many Spaniards.
-- The Princess Bride
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