Hi everyone,
After downloading the archetypes from the repository. I can't seem to have
any success with the mvn compile or the mvn jetty:run commands. I am running
on the folder which also holds the pom.xml file but that don't help.
when I try to do mvn compile, it gives me this
[code][INFO] Scanning for projects...
[INFO]
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).
Project ID: ${groupId}:${artifactId}
POM Location: /home/simon/Documents/playing
with/struts2/struts2-starter/archetype-resources/pom.xml
Reason: Resolving expression: '${groupId}': Detected the following recursive
expression cycle: [groupId] for project ${groupId}:${artifactId} at
/home/simon/Documents/playing
with/struts2/struts2-starter/archetype-resources/pom.xml
[INFO]
------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Resolving expression:
'${groupId}': Detected the following recursive expression cycle: [groupId]
for project ${groupId}:${artifactId} at /home/simon/Documents/playing
with/struts2/struts2-starter/archetype-resources/pom.xml
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:404)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:272)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at
org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
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.InvalidProjectModelException: Resolving
expression: '${groupId}': Detected the following recursive expression cycle:
[groupId] for project ${groupId}:${artifactId} at
/home/simon/Documents/playing
with/struts2/struts2-starter/archetype-resources/pom.xml
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:884)
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:508)
at
org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200)
at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:604)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487)
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391)
... 12 more
Caused by:
org.apache.maven.project.interpolation.ModelInterpolationException:
Resolving expression: '${groupId}': Detected the following recursive
expression cycle: [groupId]
at
org.apache.maven.project.interpolation.AbstractStringBasedModelInterpolator.interpolateInternal(AbstractStringBasedModelInterpolator.java:319)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.traverseObjectWithParents(StringSearchModelInterpolator.java:185)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.run(StringSearchModelInterpolator.java:135)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.run(StringSearchModelInterpolator.java:102)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator.interpolateObject(StringSearchModelInterpolator.java:80)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator.interpolate(StringSearchModelInterpolator.java:62)
at
org.apache.maven.project.DefaultMavenProjectBuilder.processProjectLogic(DefaultMavenProjectBuilder.java:990)
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:880)
... 17 more
Caused by: org.codehaus.plexus.interpolation.InterpolationCycleException:
Resolving expression: '${groupId}': Detected the following recursive
expression cycle: [groupId]
at
org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolate(StringSearchInterpolator.java:210)
at
org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolate(StringSearchInterpolator.java:124)
at
org.apache.maven.project.interpolation.AbstractStringBasedModelInterpolator.interpolateInternal(AbstractStringBasedModelInterpolator.java:315)
... 25 more
[INFO]
------------------------------------------------------------------------
[INFO] Total time: < 1 second
[INFO] Finished at: Sat Oct 01 18:00:20 BNT 2011
[INFO] Final Memory: 1M/30M
[INFO]
------------------------------------------------------------------------
[/code]
AND when I try to run the mvn jetty:run command, as instructed by the book I
am reading then it gives me this
[code]
[INFO] Scanning for projects...
[INFO]
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).
Project ID: ${groupId}:${artifactId}
POM Location: /home/simon/Documents/playing
with/struts2/struts2-starter/archetype-resources/pom.xml
Reason: Resolving expression: '${groupId}': Detected the following recursive
expression cycle: [groupId] for project ${groupId}:${artifactId} at
/home/simon/Documents/playing
with/struts2/struts2-starter/archetype-resources/pom.xml
[INFO]
------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Resolving expression:
'${groupId}': Detected the following recursive expression cycle: [groupId]
for project ${groupId}:${artifactId} at /home/simon/Documents/playing
with/struts2/struts2-starter/archetype-resources/pom.xml
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:404)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:272)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at
org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:616)
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.InvalidProjectModelException: Resolving
expression: '${groupId}': Detected the following recursive expression cycle:
[groupId] for project ${groupId}:${artifactId} at
/home/simon/Documents/playing
with/struts2/struts2-starter/archetype-resources/pom.xml
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:884)
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:508)
at
org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:200)
at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:604)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487)
at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391)
... 12 more
Caused by:
org.apache.maven.project.interpolation.ModelInterpolationException:
Resolving expression: '${groupId}': Detected the following recursive
expression cycle: [groupId]
at
org.apache.maven.project.interpolation.AbstractStringBasedModelInterpolator.interpolateInternal(AbstractStringBasedModelInterpolator.java:319)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.traverseObjectWithParents(StringSearchModelInterpolator.java:185)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.run(StringSearchModelInterpolator.java:135)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator$InterpolateObjectAction.run(StringSearchModelInterpolator.java:102)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator.interpolateObject(StringSearchModelInterpolator.java:80)
at
org.apache.maven.project.interpolation.StringSearchModelInterpolator.interpolate(StringSearchModelInterpolator.java:62)
at
org.apache.maven.project.DefaultMavenProjectBuilder.processProjectLogic(DefaultMavenProjectBuilder.java:990)
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:880)
... 17 more
Caused by: org.codehaus.plexus.interpolation.InterpolationCycleException:
Resolving expression: '${groupId}': Detected the following recursive
expression cycle: [groupId]
at
org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolate(StringSearchInterpolator.java:210)
at
org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolate(StringSearchInterpolator.java:124)
at
org.apache.maven.project.interpolation.AbstractStringBasedModelInterpolator.interpolateInternal(AbstractStringBasedModelInterpolator.java:315)
... 25 more
[INFO]
------------------------------------------------------------------------
[INFO] Total time: < 1 second
[INFO] Finished at: Sat Oct 01 18:01:57 BNT 2011
[INFO] Final Memory: 1M/30M
[INFO]
------------------------------------------------------------------------
[/code]
I am sorry for my ignorance but I really do want to learn how to get this
thing. Any suggestions would be very much appreciated.
Regards,
Simon
--
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