uninstantiable expressions fail, even if not required -----------------------------------------------------
Key: MNG-2171 URL: http://jira.codehaus.org/browse/MNG-2171 Project: Maven 2 Type: Bug Components: Plugins and Lifecycle Versions: 2.0.3 Reporter: Brett Porter I tihnk this is actually in plexus' configurator. Try these: @parameter expression="${executedProject}" or @parameter default-value="${executedProject}" In a mojo with no @execute tag. The first gives: [INFO] ---------------------------------------------------------------------------- [ERROR] BUILD ERROR [INFO] ---------------------------------------------------------------------------- [INFO] Failed to configure plugin parameters for: org.codehaus.mojo:cobertura-maven-plugin:2.0-SNAPSHOT on the command line, specify: '-DexecutedProject=VALUE' Cause: Class 'org.apache.maven.project.MavenProject' cannot be instantiated [INFO] ---------------------------------------------------------------------------- [INFO] Trace org.apache.maven.lifecycle.LifecycleExecutionException: Error getting reports from the plugin 'org.codehaus.mojo:cobertura-maven-plugin' at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getReports(DefaultLifecycleExecutor.java:694) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getReports(DefaultLifecycleExecutor.java:637) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:512) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:475) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:454) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:306) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:273) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:140) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115) at org.apache.maven.cli.MavenCli.main(MavenCli.java:256) 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) Caused by: org.apache.maven.plugin.PluginConfigurationException: Error configuring: org.codehaus.mojo:cobertura-maven-plugin. Reason: Unable to parse the created DOM for plugi n configuration at org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:1036) at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:576) at org.apache.maven.plugin.DefaultPluginManager.getReport(DefaultPluginManager.java:462) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.getReports(DefaultLifecycleExecutor.java:678) ... 18 more Caused by: org.codehaus.plexus.component.configurator.ComponentConfigurationException: Class 'org.apache.maven.project.MavenProject' cannot be instantiated at org.codehaus.plexus.component.configurator.converters.AbstractConfigurationConverter.instantiateObject(AbstractConfigurationConverter.java:121) at org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.fromConfiguration(ObjectWithFieldsConverter.java:88) at org.codehaus.plexus.component.configurator.converters.ComponentValueSetter.configure(ComponentValueSetter.java:247) at org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.processConfiguration(ObjectWithFieldsConverter.java:137) at org.codehaus.plexus.component.configurator.BasicComponentConfigurator.configureComponent(BasicComponentConfigurator.java:56) at org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:1030) ... 21 more Caused by: java.lang.InstantiationException: org.apache.maven.project.MavenProject at java.lang.Class.newInstance0(Class.java:335) at java.lang.Class.newInstance(Class.java:303) at org.codehaus.plexus.component.configurator.converters.AbstractConfigurationConverter.instantiateObject(AbstractConfigurationConverter.java:111) ... 26 more The second instead evaluates the expression as '' (empty string) and can't put the empty string into the maven project. Both should set it to null (ie, skip it). -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.codehaus.org/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira