Hey all, Not sure if this is a Findbugs plugin bug, or maven itself, but under 3.4.0-SNAPSHOT I get the following exception when running our findbags goals:
```
[ERROR] Failed to execute goal
org.codehaus.mojo:findbugs-maven-plugin:3.0.3:findbugs (findbugs) on project
smx3.core: Unable to parse configuration of mojo
org.codehaus.mojo:findbugs-maven-plugin:3.0.3:findbugs for parameter
pluginArtifacts: Cannot assign configuration entry 'pluginArtifacts' with value
'${plugin.artifacts}' of type
java.util.Collections.UnmodifiableRandomAccessList to property of type
java.util.ArrayList -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal
org.codehaus.mojo:findbugs-maven-plugin:3.0.3:findbugs (findbugs) on project
smx3.core: Unable to parse configuration of mojo
org.codehaus.mojo:findbugs-maven-plugin:3.0.3:findbugs for parameter
pluginArtifacts: Cannot assign configuration entry 'pluginArtifacts' with value
'${plugin.artifacts}' of type
java.util.Collections.UnmodifiableRandomAccessList to property of type
java.util.ArrayList
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:214)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:155)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:147)
at
org.apache.maven.lifecycle.internal.MojoExecutor.executeForkedExecutions(MojoExecutor.java:354)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:199)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:155)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:147)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:974)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:300)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:210)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.PluginConfigurationException: Unable to
parse configuration of mojo
org.codehaus.mojo:findbugs-maven-plugin:3.0.3:findbugs for parameter
pluginArtifacts: Cannot assign configuration entry 'pluginArtifacts' with value
'${plugin.artifacts}' of type
java.util.Collections.UnmodifiableRandomAccessList to property of type
java.util.ArrayList
at
org.apache.maven.plugin.internal.DefaultMavenPluginManager.populatePluginFields(DefaultMavenPluginManager.java:660)
at
org.apache.maven.plugin.internal.DefaultMavenPluginManager.getConfiguredMojo(DefaultMavenPluginManager.java:592)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:121)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
... 24 more
Caused by:
org.codehaus.plexus.component.configurator.ComponentConfigurationException:
Cannot assign configuration entry 'pluginArtifacts' with value
'${plugin.artifacts}' of type
java.util.Collections.UnmodifiableRandomAccessList to property of type
java.util.ArrayList
at
org.codehaus.plexus.component.configurator.converters.AbstractConfigurationConverter.failIfNotTypeCompatible(AbstractConfigurationConverter.java:100)
at
org.codehaus.plexus.component.configurator.converters.composite.CollectionConverter.fromConfiguration(CollectionConverter.java:82)
at
org.codehaus.plexus.component.configurator.converters.composite.CollectionConverter.fromConfiguration(CollectionConverter.java:47)
at
org.eclipse.sisu.plexus.CompositeBeanHelper.convertProperty(CompositeBeanHelper.java:273)
at
org.eclipse.sisu.plexus.CompositeBeanHelper.setProperty(CompositeBeanHelper.java:174)
at
org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.processConfiguration(ObjectWithFieldsConverter.java:101)
at
org.codehaus.plexus.component.configurator.BasicComponentConfigurator.configureComponent(BasicComponentConfigurator.java:34)
at
org.apache.maven.plugin.internal.DefaultMavenPluginManager.populatePluginFields(DefaultMavenPluginManager.java:630)
... 27 more
```
The plugin config is:
```xml
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>findbugs-maven-plugin</artifactId>
<version>3.0.3</version>
<configuration>
<includeTests>true</includeTests>
<failOnError>false</failOnError>
<plugins>
<plugin>
<groupId>com.mebigfatguy.fb-contrib</groupId>
<artifactId>fb-contrib</artifactId>
<version>6.6.1</version>
</plugin>
<plugin>
<groupId>com.h3xstream.findsecbugs</groupId>
<artifactId>findsecbugs-plugin</artifactId>
<version>1.4.5</version>
</plugin>
<plugin>
<groupId>jp.skypencil.findbugs.slf4j</groupId>
<artifactId>findbugs-slf4j</artifactId>
<version>1.2.4</version>
</plugin>
</plugins>
</configuration>
</plugin>
```
Is this a problem with Maven 3.4-SNAPSHOT or the findbags plugin?
--
Mark Derricutt
http://www.theoryinpractice.net
http://www.chaliceofblood.net
http://plus.google.com/+MarkDerricutt
http://twitter.com/talios
http://facebook.com/mderricutt
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