maven archetype j2ee-simple generates a failing project

StackOverflow https://stackoverflow.com/questions/1082012

Question

I created a j2ee-simple project using the maven template with following command-line 

 mvn archetype:create -DgroupId=com.hardik -DartifactId=ActionBazaar -DarchetypeArtifactId=maven-archetype-j2ee-simple

When I try to run the install goal within the created project folder I get an error about not existent model file in the site module. The error is described bellow.

When I remove the site module from the root pom.xml it works. Is there any proper way to correct this problem ?

What if I want to keep the site module in order to make website for my project ?

Here the error:

$ mvn install
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).


Project ID: unknown

Reason: Could not find the model file '/home/hardik/projects/ActionBazaar/site'. for project unknown


[INFO] ------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Could not find the model file '/home/hardik/projects/ActionBazaar/site'. for project unknown
        at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:432)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:300)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:356)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
        at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.project.ProjectBuildingException: Could not find the model file '/home/hardik/projects/ActionBazaar/site'. for project unknown
        at org.apache.maven.project.DefaultMavenProjectBuilder.readModel(DefaultMavenProjectBuilder.java:1585)
        at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:506)
        at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200)
        at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:632)
        at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:515)
        at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:588)
        at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:419)
        ... 11 more
Caused by: java.io.FileNotFoundException: /home/hardik/projects/ActionBazaar/site (No such file or directory)
        at java.io.FileInputStream.open(Native Method)
        at java.io.FileInputStream.<init>(FileInputStream.java:106)
        at hidden.org.codehaus.plexus.util.xml.XmlReader.<init>(XmlReader.java:124)
        at hidden.org.codehaus.plexus.util.xml.XmlStreamReader.<init>(XmlStreamReader.java:67)
        at hidden.org.codehaus.plexus.util.ReaderFactory.newXmlReader(ReaderFactory.java:113)
        at org.apache.maven.project.DefaultMavenProjectBuilder.readModel(DefaultMavenProjectBuilder.java:1580)
        ... 17 more
[INFO] ------------------------------------------------------------------------
[INFO] Total time: < 1 second
[INFO] Finished at: Sat Jul 04 07:59:37 CEST 2009
[INFO] Final Memory: 1M/4M
[INFO] ----
Was it helpful?

Solution

Try updating your maven to begin with. Trying to run this myself, I get the following error:

[WARNING] This goal is deprecated. Please use mvn archetype:generate instead

Aside from that, the archetype doesn't seem to even create a site module - if you ls, you'll notice there is, in-fact, no 'site' directory i.e. no module - that's why you're getting the error, and that's why removing the site fixes the problem. You can of course still make a dedicated site module - just create the directory 'site', and put a minimalist pom in there, which will let the build pass.

And, as I thought, here is the associated archetype bug for this issue: MARCHETYPES-15 . I suggest you vote for it, and 'watch' for when it will be fixed.

But like I said, simply adding the 'site' dir with a minimal pom will fix your problem. But you'll have to find a 'site' template as well. I suggest reading this excellent book from Sonatype (the creators of Maven.)

OTHER TIPS

In every module or project in the workspace make sure the and the element in the pom.xml contain the same entries. In this example below it is ad-common. With this it should work.

<artifactId>ad-common</artifactId>
<packaging>jar</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>ad-common</name>
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