[jira] [Created] (MTOOLCHAINS-47) Add m2e lifecycle mapping metadata to avoid warnings on project configuration

["Georg Tsakumagos (Jira)" <ji...@apache.org>]

Georg Tsakumagos created MTOOLCHAINS-47:
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             Summary: Add m2e lifecycle mapping metadata to avoid warnings on project configuration
                 Key: MTOOLCHAINS-47
                 URL: https://issues.apache.org/jira/browse/MTOOLCHAINS-47
             Project: Maven Toolchains Plugin
          Issue Type: Improvement
    Affects Versions: 3.1.0
            Reporter: Georg Tsakumagos


h3. Description

m2e builds in eclipse do not initialize the toolchains like an CLI build. For the most usecases this is no problem at all. But the maven console log out failures from the toolchains plugin. This confuses and devs guess something is wrong.
h3. Desired change

Add m2e lifecycle mapping metadata to disable the plugin execution in eclipse m2e context as default.

See: [M2Eclipse - Making Maven Plugins Compatible|https://eclipse.dev/m2e/documentation/m2e-making-maven-plugins-compat.html]
h3. Example from plugin execution during build in eclipse
{code:none|title=maven-console.log|borderStyle=solid}
Failed to execute mojo org.apache.maven.plugins:maven-toolchains-plugin:3.0.0:toolchain {execution: default} (org.apache.maven.plugins:maven-toolchains-plugin:3.0.0:toolchain:default:validate)

org.eclipse.core.runtime.CoreException: Failed to execute mojo org.apache.maven.plugins:maven-toolchains-plugin:3.0.0:toolchain {execution: default}
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeMojo(MavenExecutionContext.java:340)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.lambda$0(MavenExecutionContext.java:291)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:394)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:275)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:290)
	at org.eclipse.m2e.core.project.configurator.MojoExecutionBuildParticipant.build(MojoExecutionBuildParticipant.java:57)
	at org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.lambda$2(MavenBuilderImpl.java:153)
	at java.base/java.util.LinkedHashMap.forEach(LinkedHashMap.java:986)
	at org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:133)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:164)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.lambda$1(MavenBuilder.java:109)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:394)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:228)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.lambda$0(MavenBuilder.java:100)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:394)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:275)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:214)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:83)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:192)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:1079)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:296)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:352)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:441)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:444)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:555)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:503)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:585)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:207)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:300)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: org.apache.maven.plugin.MojoFailureException: Cannot find matching toolchain definitions for the following toolchain types:
jdk [ version='11' ]
Please make sure you define the required toolchains in your ~/.m2/toolchains.xml file.
	at org.apache.maven.plugins.toolchain.ToolchainMojo.execute(ToolchainMojo.java:109)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:126)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeMojo(MavenExecutionContext.java:338)
	... 32 more {code}



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