Add validators backwards compatibility

[sverrehu]

• Please check if the PR fulfills these requirements

• [x ] The commit messages are descriptive
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)
• An issue has been created for the pull requests. Some issues might require previous discussion.

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

Revert backwards compatibility break introduced in #443

• What is the current behavior? (You can also link to an open issue here)

Validators with just no-arg constructors fail to load.

• What is the new behavior (if this is a feature change)?

Validators with just no-arg constructors will load again, if no Configuration constructor is found.

• Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

Hopefully not.

• Other information:

[sverrehu]

With just the first commit, which removes the Configuration constructor from some validator classes, tests in TopologyValidationTest fail with NoSuchMethodException. With the second commit added, these tests work again.

[purbon]

LGTM, merging as soon as test are passing.

[sverrehu]

Thanks! Will there be a 4.1.3 release with this?

[purbon]

doing one tomorrow morning first thing, sorry slammed with work today.

…

On Thu, Apr 7, 2022 at 2:47 PM Sverre H. Huseby ***@***.***> wrote: Thanks! Will there be a 4.1.3 release with this? — Reply to this email directly, view it on GitHub <#480 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAAQXPCLZSLQ4O66XBHBFK3VD3KMVANCNFSM5SYZC3MA> . You are receiving this because you modified the open/close state.Message ID: ***@***.***>

-- Pere Urbon-Bayes Software Architect https://twitter.com/purbon https://www.linkedin.com/in/purbon/

[purbon]

In the meanwhile, you have https://github.com/kafka-ops/julie/actions/runs/2108865274 latest build.

…

-- Pere On Thu, Apr 7, 2022 at 2:53 PM Pere Urbón Bayes ***@***.***> wrote:

doing one tomorrow morning first thing, sorry slammed with work today. On Thu, Apr 7, 2022 at 2:47 PM Sverre H. Huseby ***@***.***> wrote: > Thanks! Will there be a 4.1.3 release with this? > > — > Reply to this email directly, view it on GitHub > <#480 (comment)>, > or unsubscribe > <https://github.com/notifications/unsubscribe-auth/AAAQXPCLZSLQ4O66XBHBFK3VD3KMVANCNFSM5SYZC3MA> > . > You are receiving this because you modified the open/close state.Message > ID: ***@***.***> > -- Pere Urbon-Bayes Software Architect https://twitter.com/purbon https://www.linkedin.com/in/purbon/

-- Pere Urbon-Bayes Software Architect https://twitter.com/purbon https://www.linkedin.com/in/purbon/

[purbon]

@sverrehu https://github.com/kafka-ops/julie/releases/tag/v4.1.3 fyi 👍 , have a nice weekend!