[M2.1-SNAPSHOT] Activating profiles causes NullPointerException

Tue, 31 Jan 2006 05:49:32 -0800

I have defined a profile in my POM which is meant to cause the maven-jar-plugin to sign JARs generated by subprojects. When I activate the profile I get a NPE. Below is my POM and the NPE.
<project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd";> 
 <modelVersion>4.0.0</modelVersion>
 <groupId>sis</groupId>
 <artifactId>common</artifactId>
 <packaging>pom</packaging>
 <version>1.0-SNAPSHOT</version>
 <name>sis-common</name>
 <build>
   <pluginManagement>
     <plugins>
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
         <configuration>
           <source>1.5</source>
           <target>1.5</target>
           <debug>true</debug>
           <showDeprecation>true</showDeprecation>
           <showWarnings>false</showWarnings>
           <optimize>true</optimize>
         </configuration>
       </plugin>
       <plugin>
         <artifactId>maven-jar-plugin</artifactId>
         <version>2.1_SNAPSHOT</version>
         <configuration>
           <archive>
             <addMavenDescriptor>false</addMavenDescriptor>
           </archive>
         </configuration>
       </plugin>
     </plugins>
   </pluginManagement>
 </build>
 <profiles>
   <profile>
     <id>sign-jar</id>
     <activation>
       <property>
         <name>rel</name>
         <value>true</value>
       </property>
     </activation>
     <build>
       <plugins>
         <plugin>
           <artifactId>maven-jar-plugin</artifactId>
           <executions>
             <execution>
               <goals>
                 <goal>sign</goal>
               </goals>
             </execution>
           </executions>
           <configuration>
<!-- The keystore properties are defined in $HOME/.m2/settings.xml --> 
             <keystore>${keystore.file}</keystore>
             <storepass>${keystore.pass}</storepass>
             <alias>${keystore.alias}</alias>
           </configuration>
         </plugin>
       </plugins>
     </build>
   </profile>
 </profiles>
 <modules>
   <module>util</module>
   <module>app</module>
 </modules>
 <dependencyManagement>
   <dependencies>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
       <version>3.8.1</version>
       <scope>test</scope>
     </dependency>

     <dependency>
       <groupId>log4j</groupId>
       <artifactId>log4j</artifactId>
       <version>1.2.13</version>
     </dependency>
   </dependencies>
 </dependencyManagement>
</project>

[INFO] Scanning for projects...
[INFO] ---------------------------------------------------------------------------- 
[ERROR] FATAL ERROR
[INFO] ---------------------------------------------------------------------------- 
[INFO] null
[INFO] ---------------------------------------------------------------------------- 
[INFO] Trace
java.lang.NullPointerException
at org.apache.maven.project.injection.DefaultProfileInjector.injectPlugins(DefaultProfileInjector.java:147) at org.apache.maven.project.injection.DefaultProfileInjector.injectBuild(DefaultProfileInjector.java:134) at org.apache.maven.project.injection.DefaultProfileInjector.inject(DefaultProfileInjector.java:80) at org.apache.maven.project.DefaultMavenProjectBuilder.injectActiveProfiles(DefaultMavenProjectBuilder.java:1132) at org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultMavenProjectBuilder.java:945) at org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMavenProjectBuilder.java:672) at org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInternal(DefaultMavenProjectBuilder.java:414) at org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjectBuilder.java:190) 
       at org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:515)
at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:447) 
       at org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:351)
       at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:278)
       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
       at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
       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)

Am I doing something wrong or is this a bug?

Thanks,
Richard Allen

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