I'm not sure I can completely answer your question (relatively new user myself), but I can tell you what we did here (we also develop in Eclipse and deploy via Tomcat).
I have this plugin [1] to launch Tomcat via Eclipse and debug the processes that are running in it. I haven't gotten Maven to smoothly integrate with Eclipse insofar as building, so I still just run Maven myself when it's time to rebuild. I believe there's a Maven-Eclipse plugin that will take care of that, and also set the Classpath and included JARs as appropriate, but I've seen a lot of complaints about it on the board, and frankly I don't really mind manually doing those things. I just leave a command line open and occasionally hit up-arrow + Enter to re-execute the build when I want to test. We also wrote a context.xml file to point Tomcat to the default Maven output directory. This system works fine for our work, but may be a little more inconvenient for you, since you have a multi-level thing going on. Things I'm not sure about: I would say that logically, core.jar should be a dependency *in Maven* of the webapp. You should have your own local repository, build your core using (I think) the "install" goal, and then build your webapp, and Maven should take the core.jar it built in the previous step and put it into the /WEB-INF/lib directory. Perhaps you could clarify some things from your mail: what is the command you're using to "publish?" When you say that "the core project (not just the jar)" is a dependency of the webapp, do you mean a Maven dependency, or an Eclipse project dependency? Hope there's something helpful for you in there. ~Dan Allen [1] http://www.eclipsetotale.com/tomcatPlugin.html -----Original Message----- From: Mick Knutson [mailto:[EMAIL PROTECTED] Sent: Wednesday, April 30, 2008 6:08 PM To: maven Subject: Re: [m2] any tutorial on how to get Maven to compile and deploy in Tomcat/eclipse? I have 2 artifacts in this project. Core and Webapp. When I have the core project (not just the jar) as a dependancy of my webapp, I get this error when i publish: *Error creating zip file core.jar: duplicate entry: META-INF/persistence.xml duplicate entry: META-INF/persistence.xml* persistence.xml is in src/main/resources/META-INF, as well as target/classes/META-INF. But when I use the core-2.2.jar as the dependancy of my webapp, i can publish fine, but then get this error: *Apr 30, 2008 3:06:51 PM org.apache.tomcat.util.digester.Digester startElement SEVERE: Begin event threw exception java.lang.ClassNotFoundException: org.jboss.embedded.tomcat.EmbeddedJBossBootstrapListener at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at org.apache.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule. java:205) at org.apache.tomcat.util.digester.Rule.begin(Rule.java:153) at org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1358 ) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElemen t(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractXMLDocumentParser.emp tyElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.s canStartElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$F ragmentContentDispatcher.dispatch(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.s canDocument(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unkn own Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unkn own Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unkno wn Source) at org.apache.tomcat.util.digester.Digester.parse(Digester.java:1644) at org.apache.catalina.startup.Catalina.load(Catalina.java:516) at org.apache.catalina.startup.Catalina.load(Catalina.java:550) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:260) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:412) * On Wed, Apr 30, 2008 at 2:52 PM, Mick Knutson <[EMAIL PROTECTED]> wrote: > I am trying to switch from IntelliJ to eclipse. I used the eclipse:eclipse > plugin, but then used the sonatype plugin to import an existing maven > multi-module project I have. > > 1st i guess i don't understand how or what eclipse is going to use to > deploy to Tomcat. Does it try to deploy exploded, or the wacutal war > archives? > > 2nd, I keep getting this error only when starting eclipse: > > *Apr 30, 2008 2:50:51 PM org.apache.tomcat.util.digester.Digester > startElement > SEVERE: Begin event threw exception > java.lang.ClassNotFoundException: > org.jboss.embedded.tomcat.EmbeddedJBossBootstrapListener > * > > I was hoping it would be easy to switch FROM intellij, but so far I am not > sure... > > -- > Thanks, > Mick Knutson > > http://www.baselogic.com > http://www.blincmagazine.com > http://www.linkedin.com/in/mickknutson > http://www.djmick.com > http://www.myspace.com/mickknutson > http://www.myspace.com/BLiNCMagazine > http://tahoe.baselogic.com > --- -- Thanks, Mick Knutson http://www.baselogic.com http://www.blincmagazine.com http://www.linkedin.com/in/mickknutson http://www.djmick.com http://www.myspace.com/mickknutson http://www.myspace.com/BLiNCMagazine http://tahoe.baselogic.com --- -- This message may contain confidential, proprietary, or legally privileged information. 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