Hacktoberfest 2026: the issues maintainers tagged for October, open and beginner-friendly. Browse Hacktoberfest issues

FAQ for MapStruct, Lombok and Eclipse not working

Open
#76 0 comments 2 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Assessment

Difficulty
1/5
Estimated time
1-3 hours
Newbie friendliness
55/100
Issue type
Documentation
Clarity
Mostly clear
Activity status
Stale
Tech stack
java
Domain
documentation

Research direction

Start by locating the site's FAQ and Eclipse section, then review the linked MapStruct issue comment for the proposed workaround. Add the workaround to the most relevant FAQ location and make sure the Eclipse guidance is clear and discoverable.

Written by the indexing model from the issue text.

Description

When using the Lombok agent for Eclipse there are exceptions like java.lang.NoClassDefFoundError: org/mapstruct/ap/spi/AstModifyingAnnotationProcessor

We can add https://github.com/mapstruct/mapstruct/issues/1159#issuecomment-374617404 to our FAQ as a workaround. Maybe even our Eclipse section

Dominant language
CSS
Stars
71
Forks
40
PR merge metrics
No merged PRs in 30d

Contributor guide

No contributing guide indexed for this repository

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

More from mapstruct/mapstruct.org

All issues in mapstruct/mapstruct.org

Similar issues

More Documentation issues

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.