[ http://jira.codehaus.org/browse/MNG-734?page=comments#action_44562 ]
Bob Allison commented on MNG-734:
---------------------------------
After putting a few System.out.println in the plexus code, I have traced the
cause of the exception back a little.
When the deploy plugin is loaded, it is configured with a call to
BasicComponentConfigurator.configureComponent method. The configuration that
is passed to this method is:
<configuration>
<artifact
implementation="org.apache.maven.artifact.Artifact">${project.artifact}</artifact>
<attachedArtifacts
implementation="java.util.List">${project.attachedArtifacts}</attachedArtifacts>
<buildDirectory
implementation="java.lang.String">${project.build.directory}</buildDirectory>
<deploymentRepository
implementation="org.apache.maven.artifact.repository.ArtifactRepository">${project.distributionManagementArtifactRepository}</deploymentRepository>
<finalName
implementation="java.lang.String">${project.build.finalName}</finalName>
<localRepository
implementation="org.apache.maven.artifact.repository.ArtifactRepository">${localRepository}</localRepository>
<packaging implementation="java.lang.String">${project.packaging}</packaging>
<parentDir implementation="java.io.File">${project.file.parentFile}</parentDir>
<updateReleaseInfo default-value="false"
implementation="boolean">${updateReleaseInfo}</updateReleaseInfo>
</configuration>
BasicComponentConfigurator.configureComponent calls
ObjectWithFieldsConverter.processConfiguration to convert each configuration
element into a Java object. When this method gets to the fourth element
(deploymentRepository) it calls ObjectWithFieldsConverter.fromConfiguration to
create an object. The problem here is that the implementation class specified
in the configuration is an interface and can't be instantiated.
> java.lang.InstantiationException while deploying snapshot
> ---------------------------------------------------------
>
> Key: MNG-734
> URL: http://jira.codehaus.org/browse/MNG-734
> Project: Maven 2
> Type: Bug
> Components: maven-plugins
> Versions: 2.0-beta-1
> Reporter: Bob Allison
> Fix For: 2.0-beta-1
>
>
> Setting up a project to deploy a snapshot. From comments of others, I have a
> bad POM in one of my dependencies (haven't tracked that down yet).
> When I set the project's version to "3.0", the jar is deployed properly.
> When I set the project's version to "3.0-SNAPSHOT", I get the following stack
> dump:
> [INFO]
> ----------------------------------------------------------------------------
> [ERROR] BUILD ERROR
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Diagnosis: Error configuring plugin for execution of 'deploy:deploy'.
> [INFO]
> ----------------------------------------------------------------------------
> [ERROR] Cause:
> org.apache.maven.plugin.MojoExecutionException: Error configuring plugin for
> execution of 'deploy:deploy'.
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:342)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:472)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:445)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:431)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:268)
> at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:127)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:186)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:292)
> 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: Unable to
> parse the created DOM for plugin configuration
> at
> org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:1022)
> at
> org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:522)
> at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:337)
> ... 15 more
> Caused by:
> org.codehaus.plexus.component.configurator.ComponentConfigurationException:
> Class 'org.apache.maven.artifact.repository.ArtifactRepository' cannot be
> instantiated
> at
> org.codehaus.plexus.component.configurator.converters.AbstractConfigurationConverter.instantiateObject(AbstractConfigurationConverter.java:120)
> at
> org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.fromConfiguration(ObjectWithFieldsConverter.java:83)
> at
> org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.processConfiguration(ObjectWithFieldsConverter.java:118)
> at
> org.codehaus.plexus.component.configurator.BasicComponentConfigurator.configureComponent(BasicComponentConfigurator.java:55)
> at
> org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:1017)
> ... 17 more
> Caused by: java.lang.InstantiationException:
> org.apache.maven.artifact.repository.ArtifactRepository
> 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:110)
> ... 21 more
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