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lhunath edited comment on MWAR-169 at 9/5/08 8:56 AM: ---------------------------------------------------------------- After running mvn clean install in the module in question and then running another mvn install in the parent; the problem no longer occurs. was (Author: lhunath): Commenting out these options in the maven-war-plugin's configuration section avoids this problem: <packagingExcludes>WEB-INF/lib/*</packagingExcludes> <filteringDeploymentDescriptors>true</filteringDeploymentDescriptors> > NPE during packaging. > --------------------- > > Key: MWAR-169 > URL: http://jira.codehaus.org/browse/MWAR-169 > Project: Maven 2.x War Plugin > Issue Type: Bug > Affects Versions: 2.1-alpha-2 > Reporter: Maarten Billemont > > The following NPE happens when I run maven from the parent in a multi-module > project; though it does not occur when I run mvn clean install from within > the module itself. > [INFO] [war:war] > [INFO] Packaging webapp > [INFO] Assembling webapp[safe-online-startup-runtime] in > [/Users/mbillemo/Documents/workspace/safe-online/safe-online-startup-runtime/target/safe-online-startup- > runtime-1.1-SNAPSHOT] > [INFO] > ------------------------------------------------------------------------ > [ERROR] FATAL ERROR > [INFO] > ------------------------------------------------------------------------ > [INFO] null > [INFO] > ------------------------------------------------------------------------ > [INFO] Trace > 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:451) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:558) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:499) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:478) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:330) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:291) > at > org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:142) > at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:336) > at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:129) at > org.apache.maven.cli.MavenCli.main(MavenCli.java:287) 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) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira