If you would like to submit a javadoc patch through Jira, you can have a look at the suggested approach.
If you're a committer and want to publish the javadoc, you have do the following steps:
Put the following information in your ~/.m2/settings.xml file
<server> <id>deltaspike-site</id> <username><YOUR_USERNAME></username> <password><YOUR_PASSWORD></password> </server>
Then run:
$ cd REPO_ROOT/deltaspike $ ./javadoc.sh
After log in to https://cms.apache.org/deltaspike/publish and click on the Submit
button.