[MWAR-246] NullPointerException Processing Web Resources

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.1
• Fix Version/s: 2.3
• Environment: Linux, JDK 6
• Assignee: Dennis Lundberg
• Reporter: Gary Murphy
• Created: 05/Jan/11 07:12
• Updated: 08/Apr/15 08:02
• Resolved: 25/Sep/12 16:03

Description

NullPointerException on packaging of web resources. Configuration is:

         <plugin>
            <artifactId>maven-war-plugin</artifactId>
            <configuration>
               <webResources>
                  <resource>
	                  <excludes>
	                     <exclude>xercesImpl-*.jar</exclude>
	                  </excludes>
                  </resource>
               </webResources>
            </configuration>
         </plugin>

Stack trace is:

Execution default-war of goal org.apache.maven.plugins:maven-war-plugin:2.1.1:war failed.
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:211)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:140)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:316)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:153)
	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:451)
	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:188)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:134)
	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.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default-war of goal org.apache.maven.plugins:maven-war-plugin:2.1.1:war failed.
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:116)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:195)
	... 19 more
Caused by: java.lang.NullPointerException
	at java.io.File.<init>(File.java:222)
	at org.apache.maven.plugin.war.packaging.WarProjectPackagingTask.handleWebResources(WarProjectPackagingTask.java:124)
	at org.apache.maven.plugin.war.packaging.WarProjectPackagingTask.performPackaging(WarProjectPackagingTask.java:91)
	at org.apache.maven.plugin.war.AbstractWarMojo.buildWebapp(AbstractWarMojo.java:472)
	at org.apache.maven.plugin.war.AbstractWarMojo.buildExplodedWebapp(AbstractWarMojo.java:404)
	at org.apache.maven.plugin.war.WarMojo.performPackaging(WarMojo.java:197)
	at org.apache.maven.plugin.war.WarMojo.execute(WarMojo.java:159)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:107)
	... 20 more

Issue Links

• is duplicated by: MWAR-293 NullPointerException if no directory specified in webResources tag
• is duplicated by: MWAR-202 "directory" parameter should be declared as required in webResources/resource or correctly checked