Error on site generation when using maven-war-plugin

["Ramos, Victor Hugo Barbosa (Victor Hugo)" <vr...@avaya.com>]

Hi All,
	I need to package my application into a war file before the test
phase to do some web tests, so I included the following code in my
pom.xml:

<plugin>
	<groupId>org.apache.maven.plugins</groupId>
	<artifactId>maven-war-plugin</artifactId>
	<executions>
		<execution>
			<phase>generate-test-resources</phase>
			<goals>
			<goal>war</goal>
			</goals>
			<configuration>
	
<outputDirectory>${project.build.directory}/testWar/</outputDirectory>
			</configuration>
		</execution>
	</executions>
</plugin>

When I run the command mvn package evething works fine, but when I
generate the project site (mvn site) the following error occurs:

[INFO] [aspectj:compile {execution: default}]
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:compile]
[INFO] Nothing to compile - all classes are up to date
[INFO]
------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO]
------------------------------------------------------------------------
[INFO] Error configuring: org.apache.maven.plugins:maven-war-plugin.
Reason: ERR
OR: Cannot override read-only parameter: classesDirectory in goal:
war:war
[INFO]
------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Error
configuring: org.a
pache.maven.plugins:maven-war-plugin. Reason: ERROR: Cannot override
read-only p
arameter: classesDirectory in goal: war:war
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa
ultLifecycleExecutor.java:563)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLi
fecycle(DefaultLifecycleExecutor.java:475)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.forkProjectLifecy
cle(DefaultLifecycleExecutor.java:891)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.forkLifecycle(Def
aultLifecycleExecutor.java:734)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa
ultLifecycleExecutor.java:525)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLi
fecycle(DefaultLifecycleExecutor.java:475)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(Defau
ltLifecycleExecutor.java:454)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHan
dleFailures(DefaultLifecycleExecutor.java:306)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmen
ts(DefaultLifecycleExecutor.java:273)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLi
fecycleExecutor.java:140)
        at
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:256)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        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.plugin.PluginConfigurationException: Error
configuri
ng: org.apache.maven.plugins:maven-war-plugin. Reason: ERROR: Cannot
override re
ad-only parameter: classesDirectory in goal: war:war
        at
org.apache.maven.plugin.DefaultPluginManager.validatePomConfiguration
(DefaultPluginManager.java:848)
        at
org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(Defaul
tPluginManager.java:558)
        at
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPlugi
nManager.java:390)
        at
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Defa
ultLifecycleExecutor.java:534)
        ... 20 more
[INFO]
------------------------------------------------------------------------
[INFO] Total time: 14 seconds
[INFO] Finished at: Fri Mar 09 11:20:58 BRT 2007
[INFO] Final Memory: 30M/54M
[INFO]
------------------------------------------------------------------------

As you see I did not change the classesDirectory, I already tried to
remove the outputDirectory configuration but the same error occurred.

Thanks in advance,

Victor Hugo B. Ramos
Avaya Brazil
CSI Software and Custom Application

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