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https://issues.apache.org/jira/browse/MCHECKSTYLE-384?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16996322#comment-16996322
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Benjamin Marwell commented on MCHECKSTYLE-384:
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I do not think that you can blame the {{maven-checkstyle-plugin}}. If you
update the checkstyle plugin, either
* update the {{checkstyle.xml}} file you use or
* use a lower dependency of puppycrawl checkstyle.
Here's a how to:
[https://maven.apache.org/plugins/maven-checkstyle-plugin/examples/upgrading-checkstyle.html]
* Also, the maven-checkstyle site says: "This version of the plugin uses
Checkstyle 8.19 by default" – is this not true anymore?
So, that said, what do you expect from the maven plugin? I just did take a look
in the source code. maven checkstyle plugin indeed uses
{{<checkstyleVersion>8.19</checkstyleVersion>}} by default. That said, the
problem you reported must come from a configuration you did yourself. Maybe you
did declare a newer checkstyle version somewhere?
Can you please elaborate more details? Otherwise I'd say this is "not an issue".
> Incompatibility to Checkstyle version >= 8.24
> ----------------------------------------------
>
> Key: MCHECKSTYLE-384
> URL: https://issues.apache.org/jira/browse/MCHECKSTYLE-384
> Project: Maven Checkstyle Plugin
> Issue Type: Bug
> Components: checkstyle:check
> Affects Versions: 3.1.0
> Reporter: Martin
> Priority: Blocker
>
> The latest {{maven-checkstyle-plugin}} is incompatible to Checkstyle version
> 8.24 and newer. The check for "LineLength" was moved from "TreeWalker" to
> "Checker".
> For further details see "Breaking backward compatibility" under
> https://checkstyle.org/releasenotes.html#Release_8.24
>
> {code:none|title=Maven Console Output}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-checkstyle-plugin:3.1.0:check (validate) on
> project top-secrect: Failed during checkstyle configuration: LineLength is
> not allowed as a child in Checker -> [Help 1]
> [ERROR] ...
> {code}
>
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