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I have noticed that my local IntelliJ Checkstyle-IDEA plugin is not highlighting any errors in my code, whereas when I run "mvn clean install" or similar it (correctly) highlights the problems.

I am using a custom checkstyle file, but since this is working through maven, I'm guessing this isn't the problem? Also, I have tried other xml files, and I get the same result.

I'm not quite sure where to start here. I have tried the classic reinstall of the plugin, different PCs etc. Can someone point me in a direction...?

Owain Evans
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3 Answers3

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try 

File -> Invalidate Caches/Restart...
mss
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  • I think that this would have been more appropriate as a comment, not as an answer – con Mar 30 '20 at 19:48
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This problem went away by upgrading IntelliJ to v2020.1.1, and updating the plugin to the latest version. Not very satisfactory, but at least it works now...

Owain Evans
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I'd same problem but noticed that this happens only when google checks is selected as rules. When sun checks is selected, I can see the errors. Accepted answer to question below may help you.

maven-checkstyle-plugin not working with google_checks.xml on macOS

ysldl
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