Hi all, There seems to be an issue with the enforcer plugin and the Maven embedder, I've not seen it reported in the archives or in JIRA. maven snapshot from rev 659801 (http://code.google.com/p/q4e/downloads/list) POM that shows the error: <?xml version="1.0" encoding="UTF-8" ?> <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>test</groupId> <artifactId>test</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>test</name> <build> <pluginManagement> <plugins> <plugin> <artifactId>maven-enforcer-plugin</artifactId> <version>1.0-alpha-4</version> <executions> <execution> <id>enforce-rules</id> <goals> <goal>enforce</goal> </goals> <configuration> <rules> <requirePluginVersions> <message>Found plugins without fixed release version defined. Build is not reproducible.</message> </requirePluginVersions> </rules> </configuration> </execution> </executions> </plugin> </plugins> </pluginManagement> <plugins> <plugin> <artifactId>maven-enforcer-plugin</artifactId> </plugin> </plugins> </build> </project> error is: [INFO] [enforcer:enforce] --------------------------------------------------- constituent[0]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/aspectjrt-1.5.3.jar constituent[1]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/commons-cli-1.0.jar constituent[2]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/commons-logging-api-1.1.jar constituent[3]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/doxia-sink-api-1.0-alpha-9.jar constituent[4]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/jsch-0.1.27.jar constituent[5]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/jtidy-4aug2000r7-dev.jar constituent[6]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/log4j-1.2.12.jar constituent[7]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-artifact-3.0-20080521.152646-63.jar constituent[8]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-core-2.1-SNAPSHOT.jar constituent[9]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-embedder-2.1-SNAPSHOT.jar constituent[10]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-lifecycle-2.1-SNAPSHOT.jar constituent[11]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-model-2.1-SNAPSHOT.jar constituent[12]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-plugin-api-2.1-SNAPSHOT.jar constituent[13]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-profile-2.1-SNAPSHOT.jar constituent[14]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-project-2.1-SNAPSHOT.jar constituent[15]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-reporting-api-2.1-SNAPSHOT.jar constituent[16]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-toolchain-2.1-SNAPSHOT.jar constituent[17]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/maven-workspace-2.1-SNAPSHOT.jar constituent[18]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/plexus-container-default-1.0-alpha-46-20080419.145100-1.jar constituent[19]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/plexus-interactivity-api-1.0-alpha-6.jar constituent[20]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/plexus-interpolation-1.0-20080407.184049-2.jar constituent[21]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/plexus-utils-1.5.1.jar constituent[22]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/wagon-file-1.0-beta-2.jar constituent[23]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/wagon-http-lightweight-1.0-beta-2.jar constituent[24]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/wagon-http-shared-1.0-beta-2.jar constituent[25]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/wagon-provider-api-1.0-beta-2.jar constituent[26]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/wagon-ssh-1.0-beta-2.jar constituent[27]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/wagon-ssh-common-1.0-beta-2.jar constituent[28]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/wagon-ssh-external-1.0-beta-2.jar constituent[29]: file:/E:/downloads/apache-maven-2.1-659801-bin/apache-maven-2.1-SNAPSHOT /bin/../lib/xbean-reflect-3.4-20080418.173627-4.jar --------------------------------------------------- java.lang.NullPointerException at org.codehaus.plexus.util.ReflectionUtils.getValueIncludingSuperclasses(R eflectionUtils.java:163) at org.apache.maven.plugins.enforcer.RequirePluginVersions.getBoundPlugins( RequirePluginVersions.java:507) at org.apache.maven.plugins.enforcer.RequirePluginVersions.execute(RequireP luginVersions.java:172) at org.apache.maven.plugins.enforcer.EnforceMojo.execute(EnforceMojo.java:1 85) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginMa nager.java:579) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandle Failures(DefaultLifecycleExecutor.java:498) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegmentFo rProject(DefaultLifecycleExecutor.java:265) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments( DefaultLifecycleExecutor.java:191) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifec ycleExecutor.java:149) at org.apache.maven.DefaultMaven.execute_aroundBody0(DefaultMaven.java:223) at org.apache.maven.DefaultMaven.execute_aroundBody1$advice(DefaultMaven.ja va:304) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:1) at org.apache.maven.embedder.MavenEmbedder.execute_aroundBody2(MavenEmbedde r.java:904) at org.apache.maven.embedder.MavenEmbedder.execute_aroundBody3$advice(Maven Embedder.java:304) at org.apache.maven.embedder.MavenEmbedder.execute(MavenEmbedder.java:1) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:176) at org.apache.maven.cli.MavenCli.main(MavenCli.java:63) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav a:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor Impl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launche r.java:289) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:2 29) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launc her.java:408) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:351 ) at org.codehaus.classworlds.Launcher.main(Launcher.java:31) Java version: 1.6.0_06
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