Mismanagement of container lookup realm can cause type incompatibilities for
plugins looking up components by string
--------------------------------------------------------------------------------------------------------------------
Key: MNG-4925
URL: http://jira.codehaus.org/browse/MNG-4925
Project: Maven 2 & 3
Issue Type: Bug
Components: Plugins and Lifecycle
Affects Versions: 3.0.1
Reporter: Benjamin Bentmann
Attachments: modello-regression.zip
Originally reported as
[MNGECLIPSE-2507|https://issues.sonatype.org/browse/MNGECLIPSE-2507] but is
actually a core issue.
To reproduce, copy {{plexus-build-api-0.0.6.jar}} into the {{lib}} directory of
a Maven 3.0.1 distro and run {{mvn generate-sources}} (without clean!) on the
attached project. This dies with
{noformat}
INFO] Scanning for projects...
INFO]
INFO] ------------------------------------------------------------------------
INFO] Building modello-regression 1.0-SNAPSHOT
INFO] ------------------------------------------------------------------------
INFO]
INFO] --- modello-maven-plugin:1.4.1:java (myModel) @ modello-regression ---
INFO] outputDirectory:
M:\downloads\modello-regression\target\generated-sources\modello
INFO] Working on model: src/main/mdo/myModel.mdo
INFO] Generating current version: 1.0.0
WARNING] Error contextualizing: class
org.codehaus.modello.plugin.java.JavaModelloGenerator
ava.lang.ClassCastException:
org.sonatype.plexus.build.incremental.DefaultBuildContext cannot be cast to
org.sonatype.plexus.build.incremental.BuildContext
at
org.codehaus.modello.plugin.AbstractModelloGenerator.contextualize(AbstractModelloGenerator.java:288)
at
org.codehaus.plexus.PlexusLifecycleManager.contextualize(PlexusLifecycleManager.java:247)
at
org.codehaus.plexus.PlexusLifecycleManager.manageLifecycle(PlexusLifecycleManager.java:223)
at
org.codehaus.plexus.PlexusLifecycleManager.manage(PlexusLifecycleManager.java:134)
at
org.sonatype.guice.plexus.binders.PlexusBeanBinder.afterInjection(PlexusBeanBinder.java:79)
at
com.google.inject.internal.MembersInjectorImpl.notifyListeners(MembersInjectorImpl.java:97)
at
com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:95)
at
com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:253)
at
com.google.inject.internal.InjectorImpl$4$1.call(InjectorImpl.java:949)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1002)
at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:945)
at
com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:984)
at
org.sonatype.guice.bean.reflect.AbstractDeferredClass.get(AbstractDeferredClass.java:48)
at
com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
at
com.google.inject.internal.InjectorImpl$4$1.call(InjectorImpl.java:949)
at
com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:995)
at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:945)
at com.google.inject.Scopes$1$1.get(Scopes.java:59)
at
org.sonatype.guice.bean.locators.LazyQualifiedBean.getValue(LazyQualifiedBean.java:66)
at
org.sonatype.guice.plexus.locators.LazyPlexusBean.getValue(LazyPlexusBean.java:54)
at java.util.AbstractMap.get(AbstractMap.java:165)
at
org.codehaus.modello.plugin.AbstractPluginManager.getPlugin(AbstractPluginManager.java:60)
at
org.codehaus.modello.core.DefaultGeneratorPluginManager.getGeneratorPlugin(DefaultGeneratorPluginManager.java:39)
at
org.codehaus.modello.core.DefaultModelloCore.generate(DefaultModelloCore.java:376)
at
org.codehaus.modello.maven.AbstractModelloGeneratorMojo.doExecute(AbstractModelloGeneratorMojo.java:266)
at
org.codehaus.modello.maven.AbstractModelloGeneratorMojo.execute(AbstractModelloGeneratorMojo.java:220)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:107)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:195)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:140)
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:316)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:153)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:451)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:188)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:134)
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)
{noformat}
Here, the {{DefaultBuildContext}} (and its contract interface {{BuildContext}})
got erroneously loaded from the core realm instead of the plugin realm.
The error is due to bad management of the container's lookup realm and only
manifests itself for the first mojo execution of a build.
Other potentially affected plugins are those using {{plexus-sec-dispatcher}},
{{plexus-cipher}} or any other components that aren't filtered out of the
plugin realm and where the component is looked up via
{{PlexusContainer.lookup(String)}}, i.e. without actual type as role.
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