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From "Andrew Strickland" <stric...@gmail.com>
Subject Re: Maven error in tutorial
Date Tue, 15 Apr 2008 00:27:27 GMT
or rather, I guess that "null" corresponds to the groupId in the POM of the
express-demo project.  Check to see if that has a value.

On Mon, Apr 14, 2008 at 8:26 PM, Andrew Strickland <strickla@gmail.com>
wrote:

> without looking at the code, the problem to me seems to be the:
> *
> Caused by: org.apache.maven.project*
> *.ProjectBuildingException: Cannot find parent
> : org.apache.portals.tutorials**:portal-applications for project:
> null:express-dem
> o:war:null for project null:express-demo:war:null
>
> *
> Whatever the value of the express-demo pom artifactId is, it's not
> supposed to be "null".  Just a guess though,
>
> Andy
>
>
>
> On Mon, Apr 14, 2008 at 6:58 PM, <benethridge@charter.net> wrote:
>
> >
> > Hi. I'm trying to figure out why I'm getting this maven error, at this
> > point in the tutorial:
> >
> > http://portals.apache.org/tutorials/jetspeed-2-ant/03/build-it.html
> >
> > Below are details of the error:
> >
> > ----------------------------------------------------------------
> >  Directory of
> > C:\downloads\Apache\JetspeedTraining\workspace\jetexpress\applicat
> > ions\express-demo
> >
> > 04/14/2008  06:11 PM    <DIR>          .
> > 04/14/2008  06:11 PM    <DIR>          ..
> > 04/14/2008  06:11 PM             7,816 pom.xml
> > 04/14/2008  06:11 PM    <DIR>          src
> >               1 File(s)          7,816 bytes
> >               3 Dir(s)  169,487,032,320 bytes free
> >
> >
> > C:\downloads\Apache\JetspeedTraining\workspace\jetexpress\applications\express-d
> > emo>mvn
> > [INFO] Scanning for projects...
> > Downloading:
> > http://repo1.maven.org/maven2/org/apache/portals/tutorials/portal-a
> > pplications/1.0/portal-applications-1.0.pom<http://repo1.maven.org/maven2/org/apache/portals/tutorials/portal-applications/1.0/portal-applications-1.0.pom>
> > [INFO]
> > ------------------------------------------------------------------------
> > [ERROR] FATAL ERROR
> > [INFO]
> > ------------------------------------------------------------------------
> > [INFO] Failed to resolve artifact.
> >
> > GroupId: org.apache.portals.tutorials
> > ArtifactId: portal-applications
> > Version: 1.0
> >
> > Reason: Unable to download the artifact from any repository
> >
> >  org.apache.portals.tutorials:portal-applications:pom:1.0
> >
> > from the specified remote repositories:
> >  central (http://repo1.maven.org/maven2)
> >
> >
> > [INFO]
> > ------------------------------------------------------------------------
> > [INFO] Trace
> > org.apache.maven.reactor.MavenExecutionException: Cannot find parent:
> > org.apache
> > .portals.tutorials:portal-applications for project:
> > null:express-demo:war:null f
> > or project null:express-demo:war:null
> >        at
> > org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:378)
> >        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:292)
> >        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129)
> >        at org.apache.maven.cli.MavenCli.main(MavenCli.java:287)
> >        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >        at
> > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
> > java:39)
> >        at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
> > sorImpl.java:25)
> >        at java.lang.reflect.Method.invoke(Method.java:585)
> >        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: Cannot
> > find parent
> > : org.apache.portals.tutorials:portal-applications for project:
> > null:express-dem
> > o:war:null for project null:express-demo:war:null
> >        at
> > org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(D
> > efaultMavenProjectBuilder.java:1370)
> >        at
> > org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(Def
> > aultMavenProjectBuilder.java:821)
> >        at
> > org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFi
> > leInternal(DefaultMavenProjectBuilder.java:506)
> >        at
> > org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMave
> > nProjectBuilder.java:198)
> >        at
> > org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:583)
> >        at
> > org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:461)
> >        at
> > org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:365)
> >        ... 11 more
> > Caused by: org.apache.maven.project.ProjectBuildingException: POM
> > 'org.apache.po
> > rtals.tutorials:portal-applications' not found in repository: Unable to
> > download
> >  the artifact from any repository
> >
> >  org.apache.portals.tutorials:portal-applications:pom:1.0
> >
> > from the specified remote repositories:
> >  central (http://repo1.maven.org/maven2)
> >  for project org.apache.portals.tutorials:portal-applications
> >        at
> > org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepo
> > sitory(DefaultMavenProjectBuilder.java:603)
> >        at
> > org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(D
> > efaultMavenProjectBuilder.java:1366)
> >        ... 17 more
> > Caused by: org.apache.maven.artifact.resolver.ArtifactNotFoundException:
> > Unable
> > to download the artifact from any repository
> >
> >  org.apache.portals.tutorials:portal-applications:pom:1.0
> >
> > from the specified remote repositories:
> >  central (http://repo1.maven.org/maven2)
> >
> >        at
> > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(De
> > faultArtifactResolver.java:212)
> >        at
> > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(De
> > faultArtifactResolver.java:74)
> >        at
> > org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepo
> > sitory(DefaultMavenProjectBuilder.java:556)
> >        ... 18 more
> > Caused by: org.apache.maven.wagon.ResourceDoesNotExistException: Unable
> > to downl
> > oad the artifact from any repository
> >        at
> > org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(Def
> > aultWagonManager.java:331)
> >        at
> > org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(De
> > faultArtifactResolver.java:200)
> >        ... 20 more
> > [INFO]
> > ------------------------------------------------------------------------
> > [INFO] Total time: < 1 second
> > [INFO] Finished at: Mon Apr 14 18:17:33 EDT 2008
> > [INFO] Final Memory: 1M/2M
> > [INFO]
> > ------------------------------------------------------------------------
> >
> >
> > C:\downloads\Apache\JetspeedTraining\workspace\jetexpress\applications\express-d
> > emo>
> >
> > ---------------------------------------------------------------------------
> >
> > As a side-issue, I've managed to work around many of the obvious errors
> > in the tutorial and gotten pretty far with the changes and "delta" deploys,
> > but it contains so many bugs and incorrect file locations and such, that
> > it's almost useless as a "tutorial" for newcomers...hard to see the forest
> > for all the trees.  Of course, those who already have good experience with
> > jetspeed and/or portlets AND tomcat AND maven AND eclipse AND ant, will
> > probably be able to figure it out....but that's more background knowledge
> > than most newcomers will probably have...or are willing to learn for no
> > other reason than to learn portlets.
> >
> > The tutorial looks like it was quite good at one time, so it gives me
> > the feeling that this jetspeed (and maybe portlets in general) isn't being
> > actively advanced anymore. Is that so?
> >
> > Ben
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: jetspeed-user-unsubscribe@portals.apache.org
> > For additional commands, e-mail: jetspeed-user-help@portals.apache.org
> >
> >
>

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