Maven Enterprise Application Error

[naidu1986]

Hi,

How do i solve this problem?

NetBeans: Executing 'mvn.bat -Dnetbeans.execution=true --also-make --projects sg.edu.nus.comp:MyPrimeFaceOrganizer-ear install'
NetBeans: JAVA_HOME=C:\Program Files\Java\jdk1.6.0_07
Scanning for projects...
Reactor build order:
MyPrimeFaceOrganizer Maven Enterprise Application
MyPrimeFaceOrganizer-ejb Java EE 6 EJB
MyPrimeFaceOrganizer-web Java EE 6 Webapp
MyPrimeFaceOrganizer-ear JavaEE6 Assembly
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Building MyPrimeFaceOrganizer Maven Enterprise Application
task-segment: [install]
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[site:attach]
[install:install]
Installing D:\MyPrimeFaceOrganizer\MyPrimeFaceOrganizer\MyPrimeFaceOrganizer\pom.xml to C:\Users\Videos\.m2\repository\sg\edu\nus\comp\MyPrimeFaceOrganizer\1.0-SNAPSHOT\MyPrimeFaceOrganizer-1.0-SNAPSHOT.pom
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Building MyPrimeFaceOrganizer-ejb Java EE 6 EJB
task-segment: [install]
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[resources:resources]
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
Copying 2 resources
[WARNING] POM for 'org.eclipse.persistence:eclipselink:pom:2.0.0-RC1:compile' is invalid.

Its dependencies (if any) will NOT be available to the current build.
[WARNING] POM for 'javax:javaee-endorsed-api:pom:6.0:compile' is invalid.

Its dependencies (if any) will NOT be available to the current build.
[WARNING] POM for 'org.codehaus.plexus:plexus-compiler-api:pom:1.5.3:runtime' is invalid.

Its dependencies (if any) will NOT be available to the current build.
[WARNING] POM for 'org.codehaus.plexus:plexus-compiler-manager:pom:1.5.3:runtime' is invalid.

Its dependencies (if any) will NOT be available to the current build.
[WARNING] POM for 'org.codehaus.plexus:plexus-compiler-javac:pom:1.5.3:runtime' is invalid.

Its dependencies (if any) will NOT be available to the current build.
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this realm = app0.child-container[org.apache.maven.plugins:maven-compiler-plugin:2.0.2]
urls[0] = file:/C:/Users/Videos/.m2/repository/org/apache/maven/plugins/maven-compiler-plugin/2.0.2/maven-compiler-plugin-2.0.2.jar
urls[1] = file:/C:/Users/Videos/.m2/repository/javax/javaee-endorsed-api/6.0/javaee-endorsed-api-6.0.jar
urls[2] = file:/C:/Users/Videos/.m2/repository/org/codehaus/plexus/plexus-utils/1.0.4/plexus-utils-1.0.4.jar
urls[3] = file:/C:/Users/Videos/.m2/repository/org/codehaus/plexus/plexus-compiler-api/1.5.3/plexus-compiler-api-1.5.3.jar
urls[4] = file:/C:/Users/Videos/.m2/repository/org/codehaus/plexus/plexus-compiler-manager/1.5.3/plexus-compiler-manager-1.5.3.jar
urls[5] = file:/C:/Users/Videos/.m2/repository/org/codehaus/plexus/plexus-compiler-javac/1.5.3/plexus-compiler-javac-1.5.3.jar
Number of imports: 10
import: org.codehaus.classworlds.Entry@a6c57a42
import: org.codehaus.classworlds.Entry@12f43f3b
import: org.codehaus.classworlds.Entry@20025374
import: org.codehaus.classworlds.Entry@f8e44ca4
import: org.codehaus.classworlds.Entry@92758522
import: org.codehaus.classworlds.Entry@ebf2705b
import: org.codehaus.classworlds.Entry@bb25e54
import: org.codehaus.classworlds.Entry@bece5185
import: org.codehaus.classworlds.Entry@3fee8e37
import: org.codehaus.classworlds.Entry@3fee19d8


this realm = plexus.core
urls[0] = file:/C:/Program Files/apache-maven-2.2.1/bin/../lib/maven-2.2.1-uber.jar
Number of imports: 10
import: org.codehaus.classworlds.Entry@a6c57a42
import: org.codehaus.classworlds.Entry@12f43f3b
import: org.codehaus.classworlds.Entry@20025374
import: org.codehaus.classworlds.Entry@f8e44ca4
import: org.codehaus.classworlds.Entry@92758522
import: org.codehaus.classworlds.Entry@ebf2705b
import: org.codehaus.classworlds.Entry@bb25e54
import: org.codehaus.classworlds.Entry@bece5185
import: org.codehaus.classworlds.Entry@3fee8e37
import: org.codehaus.classworlds.Entry@3fee19d8
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[ERROR]BUILD ERROR
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Internal error in the plugin manager executing goal 'org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile': Unable to load the mojo 'org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile' in the plugin 'org.apache.maven.plugins:maven-compiler-plugin'. A required class is missing: org/codehaus/plexus/compiler/CompilerException
org.codehaus.plexus.compiler.CompilerException
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For more information, run Maven with the -e switch
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