It's a bug of the war plugin that has been fixed a while back. Please use the latest version.
S. On Tue, May 19, 2009 at 8:55 PM, tubin gen <fachh...@gmail.com> wrote: > my project has subprojects one for ear , one for war and one for jar . > > > I get this error when I run mvn install > > > java.lang.NullPointerException > at > > org.apache.maven.plugin.war.util.WebappStructure.getDependencies(WebappStructure.java:109) > at > > org.apache.maven.plugin.war.util.WebappStructure.analyseDependencies(WebappStructure.java:288) > at > > org.apache.maven.plugin.war.packaging.DependenciesAnalysisPackagingTask.performPackaging(DependenciesAnalysisPackagingTask.java:46) > at > > org.apache.maven.plugin.war.AbstractWarMojo.buildWebapp(AbstractWarMojo.java:439) > at > > org.apache.maven.plugin.war.AbstractWarMojo.buildExplodedWebapp(AbstractWarMojo.java:375) > at > org.apache.maven.plugin.war.WarMojo.performPackaging(WarMojo.java:181) > at org.apache.maven.plugin.war.WarMojo.execute(WarMojo.java:143) > at > > org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:483) > at > > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:678) > at > > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:540) > at > > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:519) > at > > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:371) > at > > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:332) > at > > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:181) > at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:356) > at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:137) > at org.apache.maven.cli.MavenCli.main(MavenCli.java:356) > 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:597) > 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) > > > please help me, what is causing this error ? > -- Large Systems Suck: This rule is 100% transitive. If you build one, you suck" -- S.Yegge
