[
http://jira.codehaus.org/browse/MNG-2171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Benjamin Bentmann closed MNG-2171.
----------------------------------
Resolution: Fixed
Fix Version/s: (was: 3.0-alpha-7)
3.0-alpha-3
Assignee: Benjamin Bentmann
> uninstantiable expressions fail, even if not required
> -----------------------------------------------------
>
> Key: MNG-2171
> URL: http://jira.codehaus.org/browse/MNG-2171
> Project: Maven 2 & 3
> Issue Type: Bug
> Components: Plugins and Lifecycle
> Affects Versions: 2.0.3
> Reporter: Brett Porter
> Assignee: Benjamin Bentmann
> Fix For: 3.0-alpha-3
>
>
> 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).
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