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From Christian Müller (JIRA) <j...@apache.org>
Subject [jira] Created: (KARAF-440) features-maven-plugin throws NullPointerException maven 3.0.2
Date Wed, 02 Feb 2011 21:33:29 GMT
features-maven-plugin throws NullPointerException maven 3.0.2
-------------------------------------------------------------

                 Key: KARAF-440
                 URL: https://issues.apache.org/jira/browse/KARAF-440
             Project: Karaf
          Issue Type: Bug
          Components: tooling
    Affects Versions: 2.1.3
         Environment: reproducible with features-maven-plugin 2.1.0 and 2.1.3

Christian-Muellers-MacBook-Pro:platforms cmueller$ mvn -v
Apache Maven 3.0.2 (r1056850; 2011-01-09 01:58:10+0100)
Java version: 1.6.0_22, vendor: Apple Inc.
Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
Default locale: en_US, platform encoding: MacRoman
OS name: "mac os x", version: "10.6.6", arch: "x86_64", family: "mac"
            Reporter: Christian Müller


Install Maven 3.0.2

Checkout Apache Camel from trunk:
git clone git://git.apache.org/camel.git

Go into the platforms sub directory:
cd camel/platforms

Run validate from the features-maven-plugin (we have a profile in Camel for this):
mvn -Pvalidate clean install

Throws:
{code}
christian-muellers-macbook-pro:platforms cmueller$ mvn -Pvalidate clean install -e
[INFO] Error stacktraces are turned on.
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] Camel :: Platforms
[INFO] Camel :: Platforms :: Apache Karaf
[INFO] Camel :: Platforms :: Apache Karaf :: Features
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Camel :: Platforms 2.7-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ platforms ---
[INFO] Deleting /Users/cmueller/workspaceApacheGitSVN/camel/platforms/target
[INFO]
[INFO] --- maven-antrun-plugin:1.2:run (create-prop) @ platforms ---
[INFO] Executing tasks
    [echo] Maven version: 2.7-SNAPSHOT
    [echo] OSGi version: 2.7.0.SNAPSHOT
   [mkdir] Created dir: /Users/cmueller/workspaceApacheGitSVN/camel/platforms/target
[INFO] Executed tasks
[INFO]
[INFO] --- properties-maven-plugin:1.0-alpha-2:read-project-properties (default) @ platforms
---
[INFO]
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ platforms ---
[INFO] Setting property: classpath.resource.loader.class => 'org.codehaus.plexus.velocity.ContextClassLoaderResourceLoader'.
[INFO] Setting property: velocimacro.messages.on => 'false'.
[INFO] Setting property: resource.loader => 'classpath'.
[INFO] Setting property: resource.manager.logwhenfound => 'false'.
[INFO]
[INFO] --- ianal-maven-plugin:1.0-alpha-1:verify-legal-files (default) @ platforms ---
[INFO]
[INFO] --- maven-install-plugin:2.3.1:install (default-install) @ platforms ---
[INFO] Installing /Users/cmueller/workspaceApacheGitSVN/camel/platforms/pom.xml to /Users/cmueller/.m2/repository/org/apache/camel/platforms/2.7-SNAPSHOT/platforms-2.7-SNAPSHOT.pom
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Camel :: Platforms :: Apache Karaf 2.7-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ karaf ---
[INFO] Deleting /Users/cmueller/workspaceApacheGitSVN/camel/platforms/karaf/target
[INFO]
[INFO] --- maven-antrun-plugin:1.2:run (create-prop) @ karaf ---
[INFO] Executing tasks
    [echo] Maven version: 2.7-SNAPSHOT
    [echo] OSGi version: 2.7.0.SNAPSHOT
   [mkdir] Created dir: /Users/cmueller/workspaceApacheGitSVN/camel/platforms/karaf/target
[INFO] Executed tasks
[INFO]
[INFO] --- properties-maven-plugin:1.0-alpha-2:read-project-properties (default) @ karaf ---
[INFO]
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ karaf ---
[INFO] Setting property: classpath.resource.loader.class => 'org.codehaus.plexus.velocity.ContextClassLoaderResourceLoader'.
[INFO] Setting property: velocimacro.messages.on => 'false'.
[INFO] Setting property: resource.loader => 'classpath'.
[INFO] Setting property: resource.manager.logwhenfound => 'false'.
[INFO]
[INFO] --- ianal-maven-plugin:1.0-alpha-1:verify-legal-files (default) @ karaf ---
[INFO]
[INFO] --- maven-install-plugin:2.3.1:install (default-install) @ karaf ---
[INFO] Installing /Users/cmueller/workspaceApacheGitSVN/camel/platforms/karaf/pom.xml to /Users/cmueller/.m2/repository/org/apache/camel/karaf/2.7-SNAPSHOT/karaf-2.7-SNAPSHOT.pom
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Camel :: Platforms :: Apache Karaf :: Features 2.7-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ apache-camel ---
[INFO] Deleting /Users/cmueller/workspaceApacheGitSVN/camel/platforms/karaf/features/target
[INFO]
[INFO] --- maven-antrun-plugin:1.2:run (create-prop) @ apache-camel ---
[INFO] Executing tasks
    [echo] Maven version: 2.7-SNAPSHOT
    [echo] OSGi version: 2.7.0.SNAPSHOT
   [mkdir] Created dir: /Users/cmueller/workspaceApacheGitSVN/camel/platforms/karaf/features/target
[INFO] Executed tasks
[INFO]
[INFO] --- properties-maven-plugin:1.0-alpha-2:read-project-properties (default) @ apache-camel
---
[INFO]
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ apache-camel ---
[INFO]
[INFO] --- maven-resources-plugin:2.4.3:resources (filter) @ apache-camel ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 4 resources
[INFO] Copying 3 resources
[INFO]
[INFO] >>> features-maven-plugin:2.1.3:validate (validate) @ apache-camel >>>
[INFO]
[INFO] --- maven-antrun-plugin:1.2:run (create-prop) @ apache-camel ---
[INFO] Executing tasks
    [echo] Maven version: 2.7-SNAPSHOT
    [echo] OSGi version: 2.7.0.SNAPSHOT
[INFO] Executed tasks
[INFO]
[INFO] --- properties-maven-plugin:1.0-alpha-2:read-project-properties (default) @ apache-camel
---
[INFO]
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ apache-camel ---
[INFO]
[INFO] --- maven-resources-plugin:2.4.3:resources (filter) @ apache-camel ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 4 resources
[INFO] Copying 3 resources
[INFO] Copying 3 resources
[INFO]
[INFO] <<< features-maven-plugin:2.1.3:validate (validate) @ apache-camel <<<
[INFO]
[INFO] --- features-maven-plugin:2.1.3:validate (validate) @ apache-camel ---
[INFO] == Preparing for validation ==
[INFO]  - getting list of system bundle exports
[INFO]  - getting list of provided bundle exports
java.lang.NullPointerException
       at org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.injectSession(DefaultLegacyArtifactCollector.java:77)
       at org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.collect(DefaultLegacyArtifactCollector.java:99)
       at org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.collect(DefaultLegacyArtifactCollector.java:782)
       at org.apache.maven.shared.dependency.tree.DefaultDependencyTreeBuilder.buildDependencyTree(DefaultDependencyTreeBuilder.java:97)
       at org.apache.karaf.tooling.features.ValidateFeaturesMojo.readProvidedBundles(ValidateFeaturesMojo.java:217)
       at org.apache.karaf.tooling.features.ValidateFeaturesMojo.prepare(ValidateFeaturesMojo.java:162)
       at org.apache.karaf.tooling.features.ValidateFeaturesMojo.execute(ValidateFeaturesMojo.java:142)
       at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:107)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
       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:319)
       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
       at org.apache.maven.cli.MavenCli.execute(MavenCli.java:534)
       at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
       at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
       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)
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Camel :: Platforms ................................ SUCCESS [1.236s]
[INFO] Camel :: Platforms :: Apache Karaf ................ SUCCESS [1.080s]
[INFO] Camel :: Platforms :: Apache Karaf :: Features .... FAILURE [0.991s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 4.143s
[INFO] Finished at: Sun Jan 30 22:04:19 CET 2011
[INFO] Final Memory: 21M/81M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.karaf.tooling:features-maven-plugin:2.1.3:validate
(validate) on project apache-camel: Unable to validate /Users/cmueller/workspaceApacheGitSVN/camel/platforms/karaf/features/target/classes/features.xml:
null: NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.karaf.tooling:features-maven-plugin:2.1.3:validate
(validate) on project apache-camel: Unable to validate /Users/cmueller/workspaceApacheGitSVN/camel/platforms/karaf/features/target/classes/features.xml:
null
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:217)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
       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:319)
       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
       at org.apache.maven.cli.MavenCli.execute(MavenCli.java:534)
       at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
       at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
       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.MojoExecutionException: Unable to validate /Users/cmueller/workspaceApacheGitSVN/camel/platforms/karaf/features/target/classes/features.xml:
null
       at org.apache.karaf.tooling.features.ValidateFeaturesMojo.execute(ValidateFeaturesMojo.java:148)
       at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:107)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
       ... 19 more
Caused by: java.lang.NullPointerException
       at org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.injectSession(DefaultLegacyArtifactCollector.java:77)
       at org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.collect(DefaultLegacyArtifactCollector.java:99)
       at org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector.collect(DefaultLegacyArtifactCollector.java:782)
       at org.apache.maven.shared.dependency.tree.DefaultDependencyTreeBuilder.buildDependencyTree(DefaultDependencyTreeBuilder.java:97)
       at org.apache.karaf.tooling.features.ValidateFeaturesMojo.readProvidedBundles(ValidateFeaturesMojo.java:217)
       at org.apache.karaf.tooling.features.ValidateFeaturesMojo.prepare(ValidateFeaturesMojo.java:162)
       at org.apache.karaf.tooling.features.ValidateFeaturesMojo.execute(ValidateFeaturesMojo.java:142)
       ... 21 more
[ERROR]
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following
articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :apache-camel
{code}

we use the following configuration:
{code}
                <plugin>
                   <groupId>org.apache.karaf.tooling</groupId>
                   <artifactId>features-maven-plugin</artifactId>
                   <version>2.1.3</version>
                   <configuration>
                     <file>${project.build.directory}/classes/${features.file}</file>
                     <karafConfig>${project.build.directory}/classes/config.properties</karafConfig>

                   </configuration>
                   <executions>
                     <execution>
                       <id>validate</id>
                       <phase>process-resources</phase>
                       <goals>
                         <goal>validate</goal>
                       </goals>
                     </execution>
                   </executions>
                   <dependencies>
                    <dependency> 
                     <groupId>org.slf4j</groupId>
                     <artifactId>slf4j-simple</artifactId>
                     <version>1.4.3</version>
	            </dependency>
                 </dependencies>
               </plugin> 
{code}

Thanks in advance,
Christian

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