[jira] [Created] (MJAVADOC-745) Taglet auto-detection doesn't support transitive dependencies

["Stefano Chizzolini (Jira)" <ji...@apache.org>]

Stefano Chizzolini created MJAVADOC-745:
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             Summary: Taglet auto-detection doesn't support transitive dependencies
                 Key: MJAVADOC-745
                 URL: https://issues.apache.org/jira/browse/MJAVADOC-745
             Project: Maven Javadoc Plugin
          Issue Type: Bug
          Components: javadoc
    Affects Versions: 3.4.1
            Reporter: Stefano Chizzolini


The current implementation of the taglet auto-detection algorithm (initial feature request: MJAVADOC-204) doesn't honor the transitive dependency resolution of the configured taglet artifacts (see [<tagletArtifacts/>|https://maven.apache.org/plugins/maven-javadoc-plugin/javadoc-mojo.html#tagletArtifacts]): _each artifact on the taglet classpath is scanned separately_ (see [AbstractJavadocMojo.addTagletsFromTagletArtifacts(..)|https://github.com/apache/maven-javadoc-plugin/blob/a5db96e7e16cc432d8fdea05f460f6c3fa258ba9/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java#L5901] and [JavadocUtil.getTagletClassNames(..)|https://github.com/apache/maven-javadoc-plugin/blob/a5db96e7e16cc432d8fdea05f460f6c3fa258ba9/src/main/java/org/apache/maven/plugins/javadoc/JavadocUtil.java#L721]), _causing taglet class loading to fail in case its hierarchy is spread across multiple artifacts_ (its class loader has visibility only on a single artifact at a time, in the wrong assumption that no intermediate artifact lies between the Taglet interface and its implementations).



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