hello everybody,

I am very new in using and installing maven. When I try to mvn install maven
in directory ns-allinone-2.34/ns-2.34/agentj,
it gives following error;
prabin@prabin-desktop:~$ cd $AGENTJ
prabin@prabin-desktop:~/ns-allinone-2.34/ns-2.34/agentj$ mvn install
[INFO] Scanning for projects...
Downloading:
http://trianacode.org/maven/proto//agentj/agentj/1.0/agentj-1.0.pom
[INFO] Unable to find resource 'agentj:agentj:pom:1.0' in repository
proto-cu-maven-repos (http://trianacode.org/maven/proto/)
Downloading: http://repo1.maven.org/maven2/agentj/agentj/1.0/agentj-1.0.pom
[INFO] Unable to find resource 'agentj:agentj:pom:1.0' in repository central
(http://repo1.maven.org/maven2)
[INFO]
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).


Project ID: null:agentj-core:jar:1.1

Reason: Cannot find parent: agentj:agentj for project:
null:agentj-core:jar:1.1 for project null:agentj-core:jar:1.1


[INFO]
------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Cannot find parent:
agentj:agentj for project: null:agentj-core:jar:1.1 for project
null:agentj-core:jar:1.1
        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: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: Cannot find
parent: agentj:agentj for project: null:agentj-core:jar:1.1 for project
null:agentj-core:jar:1.1
        at
org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1396)
        at
org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:823)
        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.collectProjects(DefaultMaven.java:560)
        at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391)
        ... 12 more
Caused by: org.apache.maven.project.ProjectBuildingException: POM
'agentj:agentj' not found in repository: Unable to download the artifact
from any repository

  agentj:agentj:pom:1.0

from the specified remote repositories:
  central (http://repo1.maven.org/maven2),
  proto-cu-maven-repos (http://trianacode.org/maven/proto/)

 for project agentj:agentj
        at
org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:605)
        at
org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:1392)
        ... 19 more
Caused by: org.apache.maven.artifact.resolver.ArtifactNotFoundException:
Unable to download the artifact from any repository

  agentj:agentj:pom:1.0

from the specified remote repositories:
  central (http://repo1.maven.org/maven2),
  proto-cu-maven-repos (http://trianacode.org/maven/proto/)


        at
org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:228)
        at
org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:90)
        at
org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(DefaultMavenProjectBuilder.java:558)
        ... 20 more
Caused by: org.apache.maven.wagon.ResourceDoesNotExistException: Unable to
download the artifact from any repository
        at
org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWagonManager.java:404)
        at
org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:216)
        ... 22 more
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 4 seconds
[INFO] Finished at: Wed Jul 27 17:56:40 EST 2011
[INFO] Final Memory: 1M/7M
[INFO]
------------------------------------------------------------------------

Please help me, I am trying to fix it since last week but I am unsucessful.
i am very new in this one.
Any help and information will be much appreciated.
thank you
prabin rijal


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