It is not possible to package empty war.
----------------------------------------

                 Key: MWAR-126
                 URL: http://jira.codehaus.org/browse/MWAR-126
             Project: Maven 2.x War Plugin
          Issue Type: Bug
    Affects Versions: 2.0.2
            Reporter: Libor Kramolis
            Priority: Critical
         Attachments: war-bug.txt

If there is no java sources and no resources (src/main/java and 
src/main/resources does not exist) it is not possible to package war 
application.

But if I do NOT user classifier of war plugin there is no problem while war:war 
goal.

--
org.apache.maven.lifecycle.LifecycleExecutionException: Error installing 
artifact: File d:\work\tutor\development\tutorialproject-war_ws\target\classes 
does not exist
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:564)
        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:280)
        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)
Caused by: org.apache.maven.plugin.MojoExecutionException: Error installing 
artifact: File d:\work\tutor\development\tutorialproject-war_ws\target\classes 
does not exist
        at 
org.apache.maven.plugin.install.InstallMojo.execute(InstallMojo.java:143)
        at 
org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:443)
        at 
org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:539)
        ... 16 more
Caused by: org.apache.maven.artifact.installer.ArtifactInstallationException: 
Error installing artifact: File 
d:\work\tutor\development\tutorialproject-war_ws\target\classes does not exist
        at 
org.apache.maven.artifact.installer.DefaultArtifactInstaller.install(DefaultArtifactInstaller.java:87)
        at 
org.apache.maven.plugin.install.InstallMojo.execute(InstallMojo.java:105)
        ... 18 more
Caused by: java.io.IOException: File 
d:\work\tutor\development\tutorialproject-war_ws\target\classes does not exist
        at 
hidden.org.codehaus.plexus.util.FileUtils.copyFile(FileUtils.java:845)
        at 
org.apache.maven.artifact.installer.DefaultArtifactInstaller.install(DefaultArtifactInstaller.java:73)
        ... 19 more
--


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