[jboss-jira] [JBoss JIRA] (WFLY-2959) Downgrade Jackson dependency

[Chris Roberts (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-2959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12950420#comment-12950420 ] 

Chris Roberts commented on WFLY-2959:
-------------------------------------

I believe the attached test project is the simplest recreation of the issues. Sorry, I'm not a king of writing test cases, so it's just a project with the issues, I don't know how to right unit tests for JAX-RS resources :-) You can test it after deployment with:
curl http://localhost:8080/org.jboss.test.test-jackson/rest/person/

- Uses Jackson2 (per POM and jboss-deployment-structure.xml)
- Uses jackson-datatype-hibernate4 (currently 2.3.0 as per jackson-core in wildfly 8 final) with a OneToMany entity

As it stands it gives the _configForWriter issue (with wildfly 8 final).
With wildfly 8 CR1 (change jackson-datatype-hibernate4 version to 2.2.3 in the pom.xml to match wildfly 8 cr1 jackson version), it will give a lazy initialisation exception I think.

Ideally this project should not give lazy initialisation exceptions and should work and return json in wildlfly 8.

                
> Downgrade Jackson dependency
> ----------------------------
>
>                 Key: WFLY-2959
>                 URL: https://issues.jboss.org/browse/WFLY-2959
>             Project: WildFly
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: REST
>    Affects Versions: 8.0.0.Final
>            Reporter: James Perkins
>            Assignee: James Perkins
>             Fix For: 8.0.1.Final
>
>         Attachments: org.jboss.test.test-jackson.tar.gz
>
>
> Jackson was upgraded to 2.3.0 which contains a [bug|https://github.com/FasterXML/jackson-jaxrs-providers/commit/bafb6fb64bc15482c7bfc56784169204d6c4b1f2#commitcomment-5224156] that breaks RESTEasy. RESTEasy currently uses 2.2.1. Downgrading to at least 2.2.3, which is what CR1 is at, seems to resolve this issue.
> We should likely keep the version aligned with RESTEasy, but since CR1 was using 2.2.3 with no issues, I think reverting back to that should be fine.

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