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https://issues.apache.org/jira/browse/MJAVADOC-449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15244897#comment-15244897
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Robert Scholte commented on MJAVADOC-449:
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The problem is caused by {{org.apache.maven:maven-parent:27}}, which adds 2
tagletArtifacts to the configuration o the maven-javadoc-plugin:
org.apache.maven.plugin-tools:maven-plugin-tools-javadoc and
org.codehaus.plexus:plexus-javadoc. These custom tags depend on tools.jar (as
specified in their pom.xml), which is not going to work with Java9. I've ask
the jigsaw-dev list how this should work.
> javadoc:aggregate fails with JDK 9
> ----------------------------------
>
> Key: MJAVADOC-449
> URL: https://issues.apache.org/jira/browse/MJAVADOC-449
> Project: Maven Javadoc Plugin
> Issue Type: Bug
> Affects Versions: 2.10.3
> Reporter: Hervé Boutemy
>
> trying {{mvn -Preporting site}} with Maven core and maven-javadoc-plugin
> upgraded to 2.10.4-SNAPSHOT to benefit from already JDK 9 related fixed
> issues shows another one
> {noformat}[ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-site-plugin:3.4:site (default-site) on project
> maven: Error generating maven-javadoc-plugin:2.10.4-SNAPSHOT:aggregate:
> Unable to resolve artifact:groupId = 'org.apache.maven.plugin-tools'
> [ERROR] artifactId = 'maven-plugin-tools-javadoc'
> [ERROR] version = '3.4': Missing:
> [ERROR] ----------
> [ERROR] 1) com.sun:tools:jar:1.4.2
> [ERROR]
> [ERROR] Try downloading the file manually from the project website.
> [ERROR]
> [ERROR] Then, install it using the command:
> [ERROR] mvn install:install-file -DgroupId=com.sun -DartifactId=tools
> -Dversion=1.4.2 -Dpackaging=jar -Dfile=/path/to/file
> [ERROR]
> [ERROR] Alternatively, if you host your own repository you can deploy the
> file there:
> [ERROR] mvn deploy:deploy-file -DgroupId=com.sun -DartifactId=tools
> -Dversion=1.4.2 -Dpackaging=jar -Dfile=/path/to/file -Durl=[url]
> -DrepositoryId=[id]
> [ERROR]
> [ERROR] Path to dependency:
> [ERROR] 1) org.apache.maven.plugin-tools:maven-plugin-tools-javadoc:jar:3.4
> [ERROR] 2) com.sun:tools:jar:1.4.2
> [ERROR]
> [ERROR] ----------
> [ERROR] 1 required artifact is missing.
> [ERROR]
> [ERROR] for artifact:
> [ERROR] org.apache.maven.plugin-tools:maven-plugin-tools-javadoc:jar:3.4
> [ERROR]
> [ERROR] from the specified remote repositories:
> [ERROR] apache.snapshots (http://repository.apache.org/snapshots,
> releases=false, snapshots=true),
> [ERROR] central (https://repo.maven.apache.org/maven2, releases=true,
> snapshots=false)
> [ERROR] -> [Help 1]
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e
> switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please
> read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException{noformat}
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