Sharing this so someone else might be helped later.
I ran into this stack trace:
[INFO] [war:war]
[INFO] Exploding webapp...
[INFO] Assembling webapp myapp in C:\code\myapp \target\myapp
-1.4.0-SNAPSHOT
[INFO] Copy webapp webResources to C:\code\myapp \target\myapp
-1.4.0-SNAPSHOT
[INFO]
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
------------------------------------------------------------------------
[INFO] org.apache.maven.project.MavenProject
[INFO]
------------------------------------------------------------------------
[INFO] Trace
java.lang.ClassCastException: org.apache.maven.project.MavenProject
at
org.codehaus.plexus.util.InterpolationFilterReader.read(InterpolationFil
terReader.java:269)
at
org.codehaus.plexus.util.InterpolationFilterReader.read(InterpolationFil
terReader.java:162)
at java.io.Reader.read(Reader.java:122)
at org.codehaus.plexus.util.IOUtil.copy(IOUtil.java:212)
at org.codehaus.plexus.util.IOUtil.copy(IOUtil.java:200)
at
org.apache.maven.plugin.war.AbstractWarMojo.copyFilteredFile(AbstractWar
Mojo.java:921)
at
org.apache.maven.plugin.war.AbstractWarMojo.copyResources(AbstractWarMoj
o.java:415)
at
org.apache.maven.plugin.war.AbstractWarMojo.buildWebapp(AbstractWarMojo.
java:518)
at
org.apache.maven.plugin.war.AbstractWarMojo.buildExplodedWebapp(Abstract
WarMojo.java:347)
at
org.apache.maven.plugin.war.WarMojo.performPackaging(WarMojo.java:164)
at org.apache.maven.plugin.war.WarMojo.execute(WarMojo.java:130)
at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginMa
nager.java:443)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Default
LifecycleExecutor.java:539)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifec
ycle(DefaultLifecycleExecutor.java:48
0)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultL
ifecycleExecutor.java:459)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandle
Failures(DefaultLifecycleExecutor.jav
a:311)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(
DefaultLifecycleExecutor.java:278)
at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifec
ycleExecutor.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:280)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.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)
It seemed to hit this error when there was an images directory that had
filtering on.
Caused the problem when it hit ${basedir}/web/images:
<plugin>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<webResources>
<resource>
<directory>${basedir}/web</directory>
<filtering>true</filtering>
</resource>
</webResources>
</configuration>
</plugin>
Fixed the problem:
<plugin>
<artifactId>maven-war-plugin</artifactId>
<configuration>
<webResources>
<resource>
<directory>${basedir}/web</directory>
<filtering>false</filtering>
</resource>
</webResources>
</configuration>
</plugin>
Paul Sundling
