Could you paste your pom? The stack trace doesn't give much info.

Thanks,
Deng

Timothy Reilly wrote:
I am wondering how I can get to the bottom of this exception/build error. I am 
already running the -e option:
[INFO] [war:war]
[INFO] Exploding webapp...
[INFO] Assembling webapp cmsl-war in 
C:\Work3\cmsl-app\cmsl-war\target\cmsl-war-1.0-SNAPSHOT
[INFO] Copy webapp webResources to 
C:\Work3\cmsl-app\cmsl-war\target\cmsl-war-1.0-SNAPSHOT
[INFO] Copy webapp webResources to 
C:\Work3\cmsl-app\cmsl-war\target\cmsl-war-1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO] ------------------------------------------------------------------------
[INFO] org.apache.maven.project.MavenProject incompatible with java.lang.String
[INFO] ------------------------------------------------------------------------
[INFO] Trace
java.lang.ClassCastException: org.apache.maven.project.MavenProject 
incompatible with java.lang.String
 at 
org.codehaus.plexus.util.InterpolationFilterReader.read(InterpolationFilterReader.java:269)
 at 
org.codehaus.plexus.util.InterpolationFilterReader.read(InterpolationFilterReader.java:162)
 at java.io.Reader.read(Reader.java:143)
 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(AbstractWarMojo.java:921)
 at 
org.apache.maven.plugin.war.AbstractWarMojo.copyResources(AbstractWarMojo.java:415)
 at 
org.apache.maven.plugin.war.AbstractWarMojo.buildWebapp(AbstractWarMojo.java:518)
 at 
org.apache.maven.plugin.war.AbstractWarMojo.buildExplodedWebapp(AbstractWarMojo.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(DefaultPluginManager.java:443)
 at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
 at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:480)
 at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:459)
 at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java: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:64)
 at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:615)
 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: 21 seconds
[INFO] Finished at: Thu Jun 28 15:48:46 EDT 2007
[INFO] Final Memory: 9M/33M
[INFO] ------------------------------------------------------------------------
--TIA


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