My JasperReports used to work with v2M4.
Unfortunately, it causes the following error while executing "mvn" after
upgrading to M5:

======================================================================


C:\Work\EclipseWorkspace\myproject_sample_m5>mvn
[INFO] Scanning for projects...
[INFO]
----------------------------------------------------------------------------
[INFO] Building AppFuse Struts 2 Application
[INFO]    task-segment: [install]
[INFO]
----------------------------------------------------------------------------
[INFO]
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
------------------------------------------------------------------------
[INFO] null
[INFO]
------------------------------------------------------------------------
[INFO] Trace
java.lang.NullPointerException
        at
org.apache.maven.artifact.resolver.DefaultArtifactCollector.recurse(DefaultArtifactCollector.java:164)
        at
org.apache.maven.artifact.resolver.DefaultArtifactCollector.recurse(DefaultArtifactCollector.java:334)
        at
org.apache.maven.artifact.resolver.DefaultArtifactCollector.recurse(DefaultArtifactCollector.java:334)
        at
org.apache.maven.artifact.resolver.DefaultArtifactCollector.collect(DefaultArtifactCollector.java:75)
        at
org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolveTransitively(DefaultArtifactResolver.java:2
84)
        at
org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolveTransitively(DefaultArtifactResolver.java:2
72)
        at
org.apache.maven.plugin.DefaultPluginManager.resolveTransitiveDependencies(DefaultPluginManager.java:1238)
        at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:397)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:48
0)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.jav
a:311)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:278)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:143)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:334)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:125)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:272)
        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: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)
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 2 seconds
[INFO] Finished at: Wed May 30 01:34:16 CST 2007
[INFO] Final Memory: 8M/14M
[INFO]
------------------------------------------------------------------------

======================================================================

My environment:
v2M5 + Struts + Basic archetype + Hibernate

My pom.xml:

    <dependencies>
        ........
        <!-- JasperReports dependencies start -->
        <dependency>
                <groupId>jasperreports</groupId>
                <artifactId>jasperreports</artifactId>
                <version>1.3.1</version>
<!--            <scope>runtime</scope>-->
        </dependency>
<!--        <dependency>-->
<!--            <groupId>jasperreports</groupId>-->
<!--            <artifactId>iTextAsian</artifactId>-->
<!--            <version>20030811</version>-->
<!--            <scope>runtime</scope>-->
<!--        </dependency>-->
<!--        <dependency>-->
<!--            <groupId>org.apache.struts</groupId>-->
<!--            <artifactId>struts2-jasperreports-plugin</artifactId>-->
<!--            <version>2.0.6</version>-->
<!--            <scope>runtime</scope>-->
<!--        </dependency>-->
<!--        <dependency>-->
<!--            <groupId>poi</groupId>-->
<!--            <artifactId>poi-2.5.1-final</artifactId>-->
<!--            <version>20040804</version>-->
<!--        </dependency>-->
<!--        <dependency>-->
<!--                    <groupId>commons-collections</groupId>-->
<!--                    <artifactId>commons-collections</artifactId>-->
<!--                    <version>3.2</version>-->
<!--        </dependency>-->
        <!-- JasperReports dependencies end -->
    </dependencies>

======================================================================

I searched the web but could not find any clues.
My best guess is the dependency conflict with maven, however, I have no idea
on how to solve it.
Any suggestions? Thanks in advance.
-- 
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