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http://jira.codehaus.org/browse/MWAR-210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=185654#action_185654
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Willie Wheeler commented on MWAR-210:
-------------------------------------
I found this useful link:
http://www.mail-archive.com/issues@maven.apache.org/msg44538.html
When I ran
mvn -e clean verify
it worked fine.
(In both cases -- i.e. the case where I'm having the error and the case where
I'm not -- I'm running mvn verify against the top-level POM of a multi-module
project.)
> NullPointerException when running war:war
> -----------------------------------------
>
> Key: MWAR-210
> URL: http://jira.codehaus.org/browse/MWAR-210
> Project: Maven 2.x WAR Plugin
> Issue Type: Bug
> Affects Versions: 2.1
> Environment: I get this for Maven 2.1.0 and Maven 2.2.0:
> $ mvn -version
> Apache Maven 2.1.0 (r755702; 2009-03-18 12:10:27-0700)
> Java version: 1.6.0_11
> Java home: c:\Program Files\Java\jdk1.6.0_11\jre
> Default locale: en_US, platform encoding: Cp1252
> OS name: "windows xp" version: "5.1" arch: "x86" Family: "windows"
> When I run Maven 2.0.9 things work fine. Also, strangely, when I run Maven
> 2.1.0 on a different machine (Java 1.6.0_13) I *don't* get the
> NullPointerException.
> Reporter: Willie Wheeler
>
> This seems to be related to http://jira.codehaus.org/browse/MWAR-170, which
> is already closed.
> [INFO] [war:war]
> [INFO] Packaging webapp
> [INFO] Assembling webapp[sip07-war] in [C:\Documents and
> Settings\Willie\workspace\_sip0702\war\target\sip07-war-1.0.0.GA]
> [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: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)
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 56 seconds
> [INFO] Finished at: Sun Aug 02 10:30:03 MST 2009
> [INFO] Final Memory: 51M/508M
> [INFO]
> ------------------------------------------------------------------------
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