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Posted to issues@maven.apache.org by "Michael Osipov (JIRA)" <ji...@apache.org> on 2019/04/03 21:11:00 UTC

[jira] [Closed] (MNG-6624) CLONE - Injecting goals into default lifecycle, this is actually possible, but requires hacks

     [ https://issues.apache.org/jira/browse/MNG-6624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Osipov closed MNG-6624.
-------------------------------
    Resolution: Duplicate

> CLONE - Injecting goals into default lifecycle, this is actually possible, but requires hacks
> ---------------------------------------------------------------------------------------------
>
>                 Key: MNG-6624
>                 URL: https://issues.apache.org/jira/browse/MNG-6624
>             Project: Maven
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.3.9
>            Reporter: Mariusz Smykuła
>            Priority: Major
>
> I have developed plugin, which allows to inject three goals into default lifecycle and extend it. I'm not sure if this is undocumented feature or bug, but this works and I think this is very useful.
> Plugin: https://github.com/Codearte/accurest-maven-plugin
> Sample project with jar package, without goal defined with extension:true
> https://github.com/mariuszs/gs-rest-service-accurest/blob/master/pom.xml
> My custom components.xml works, but requires hack to work.
> {code}
> <component>
> 	<role>org.apache.maven.lifecycle.Lifecycle</role>
> 	<implementation>org.apache.maven.lifecycle.Lifecycle</implementation>
> 	<role-hint>accurest</role-hint>
> 	<configuration>
> 		<id>accurest</id>
> 		<phases>
> 			<phase>accurest-not-used-phase</phase>
> 		</phases>
> 		<default-phases>
> 			<process-test-resources>
> 				io.codearte.accurest:accurest-maven-plugin:${project.version}:convert
> 			</process-test-resources>
> 			<generate-test-sources>
> 				io.codearte.accurest:accurest-maven-plugin:${project.version}:generateTests
> 			</generate-test-sources>
> 			<package>
> 				io.codearte.accurest:accurest-maven-plugin:${project.version}:generateStubs
> 			</package>
> 		</default-phases>
> 	</configuration>
> </component>
> {code}
> I need to define fake phase to make this working: <phase>accurest-not-used-phase</phase>
> WIthout this ugly hacks, error occurs in sample project.
> Error:
> {code}
> java.lang.NullPointerException
> 	at org.apache.maven.lifecycle.DefaultLifecycles.getPhaseToLifecycleMap(DefaultLifecycles.java:94)
> 	at org.apache.maven.lifecycle.DefaultLifecycles.get(DefaultLifecycles.java:71)
> 	at org.apache.maven.lifecycle.internal.DefaultLifecycleExecutionPlanCalculator.calculateLifecycleMappings(DefaultLifecycleExecutionPlanCalculator.java:242)
> 	at org.apache.maven.lifecycle.internal.DefaultLifecycleExecutionPlanCalculator.calculateMojoExecutions(DefaultLifecycleExecutionPlanCalculator.java:217)
> 	at org.apache.maven.lifecycle.internal.DefaultLifecycleExecutionPlanCalculator.calculateExecutionPlan(DefaultLifecycleExecutionPlanCalculator.java:127)
> 	at org.apache.maven.lifecycle.internal.DefaultLifecycleExecutionPlanCalculator.calculateExecutionPlan(DefaultLifecycleExecutionPlanCalculator.java:145)
> 	at org.apache.maven.lifecycle.internal.builder.BuilderCommon.resolveBuildPlan(BuilderCommon.java:96)
> 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:109)
> 	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:863)
> 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
> 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
> 	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)
> 	at org.codehaus.classworlds.Launcher.main(Launcher.java:47)
> 	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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:144)
> {code} 
> There is related question on stackoverflow: http://stackoverflow.com/questions/36945610/how-to-bind-plugin-mojos-goals-to-few-phases-of-default-lifecycle/36981756#36981756 which describes the problem.
> Should we change this bug into feature? 



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