[jboss-jira] [JBoss JIRA] (DROOLS-4848) JavaDoc generation doesn't work with JDK11 in droolsjbpm-knowledge repository

[Marek Novotny (Jira)]

     [ https://issues.redhat.com/browse/DROOLS-4848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marek Novotny reassigned DROOLS-4848:
-------------------------------------

    Assignee: Marek Novotny  (was: Ant Stephenson)


> JavaDoc generation doesn't work with JDK11 in droolsjbpm-knowledge repository
> -----------------------------------------------------------------------------
>
>                 Key: DROOLS-4848
>                 URL: https://issues.redhat.com/browse/DROOLS-4848
>             Project: Drools
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 7.30.0.Final
>            Reporter: Tibor Zimanyi
>            Assignee: Marek Novotny
>            Priority: Major
>
> When building droolsjbpm-knowledge repository using JDK 11, the build fails on JavaDoc generation with message: 
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-javadoc-plugin:3.0.1:jar (default) on project kie-api: Execution default of goal org.apache.maven.plugins:maven-javadoc-plugin:3.0.1:jar failed: version can neither be null, empty nor blank -> [Help 1]
> This is caused by commit [1], which moved some properties to a separate bom. This bom is imported into kie-parent, but with imporing bom, its properties cannot be used, so they are not visible to javadoc plugin configuration at 2 places, e.g. here [2]. I expect the JavaDoc build fails similarly in all reopsitories where it is used, when running the build using JDK 11. 
> [1] https://github.com/kiegroup/droolsjbpm-build-bootstrap/commit/5ef60cb79e9ab08612be17af8adaf4f8684db4a7
> [2] https://github.com/kiegroup/droolsjbpm-build-bootstrap/blob/master/pom.xml#L2024



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