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Rob Tompkins commented on MNG-7316: ----------------------------------- I spent a good deal of time looking through your assembly plugin and couldn't find the documentation on how to not attach artifacts that constructed using it. So how would you in the case of let's say https://github.com/apache/commons-text/tree/master/src/assembly, with the declaration in https://github.com/apache/commons-parent/blob/master/pom.xml#L819-L828. I do see https://github.com/apache/maven-assembly-plugin/blob/ffb63eb5a5ed5d3d28b7ce34193d9d1b9fd46746/src/main/java/org/apache/maven/plugins/assembly/mojos/AbstractAssemblyMojo.java#L286-L287 so I get that we can detatch the assemblies. I will give that a shot > MavenProject.getAttachedArtifacts() regression with 3.8.1 > --------------------------------------------------------- > > Key: MNG-7316 > URL: https://issues.apache.org/jira/browse/MNG-7316 > Project: Maven > Issue Type: Bug > Components: Core > Affects Versions: 3.8.2, 3.8.3 > Reporter: Gary D. Gregory > Priority: Critical > Fix For: waiting-for-feedback, wontfix-candidate > > > The method {{MavenProject.getAttachedArtifacts()}} as of 3.8.2 breaks > releasing components for us at Apache Commons using our Maven Release plugin > because the list returned is now immutable, we now get an exception when > calling {{remove()}} on the collection returned by the API; see > [https://github.com/apache/commons-release-plugin/blob/master/src/main/java/org/apache/commons/release/plugin/mojos/CommonsDistributionDetachmentMojo.java#L137] > This worked fine in 3.8.1, may you please change it back for 3.8.4? > We cannot use Maven 3.8.2 and 3.8.3 to release our components. > ([~michael-o]: Ironically, I discovered this trying to create a release > candidate for Apache Commons CLI.) > The exception in 3.8.3: > {quote}Caused by: java.lang.UnsupportedOperationException > at java.util.Collections$UnmodifiableCollection.remove > (Collections.java:1060) > at > org.apache.commons.release.plugin.mojos.CommonsDistributionDetachmentMojo.execute > (CommonsDistributionDetachmentMojo.java:136) > at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo > (DefaultBuildPluginManager.java:137) > {quote} > -- This message was sent by Atlassian Jira (v8.20.1#820001)