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Does anyone maybe know how to disable some rules from Apex PMD, for example, I want to disable this one "ClassNamingConventions". I don't want to show me warning related to that rule in .csv file downloaded after running sfdx scanner? Thanks in advance!

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If you want to exclude it from a particular class/method you can use the @SupressWarnings annotation. For your particular scenario it should be:

@SuppressWarnings('PMD.ClassNamingConventions')
public class Bar {
    void bar() {
        int foo;
    }
}

If you want to exclude the rule for all your codebase then you should:

  1. Create a PMD ruleset xml file;
  2. Add that rule as an exclusion on your pmd-ruleset.xml file. Something such as:
<rule ref="category/apex/codestyle.xml" >
    <exclude name="ClassNamingConventions"/>    
</rule>
  1. Run the sfdx:scanner command including the --pmdconfig flag to point out the location of PMD rule reference XML file.
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  • And I suppose I need to create pmd-ruleset.xml file because I can not find it now. But where to put that file? And is there any other config I have to setup in order to PMD can read (use) that file?
    – mhdev
    Jul 27, 2021 at 13:07
  • Correct. Updated my original answer to include a hyperlink to the documentation regarding rulesets. Regarding the other config you have to setup is to include the --pmdconfig flag on the sfdx:scanner command to include the ruleset file locaton. Here for more details: forcedotcom.github.io/sfdx-scanner/en/scanner-commands/run
    – user1067017
    Jul 27, 2021 at 13:09
  • I have one more problem, this is my rule set xml: <ruleset name="myruleset" xmlns="http://pmd.sourceforge.net/ruleset/2.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd"> <description>My ruleset</description> <rule ref="category/apex/codestyle.xml" > <exclude name="ClassNamingConventions"/> </rule> </ruleset> but now it exclude not only "ClassNamingConventions" but, for example, "ApexDoc", "CyclomaticComplexity" and lot of others.
    – mhdev
    Jul 27, 2021 at 14:57
  • @mhdev you need to define all the categories and/or individual rules which you want to include in the file as well. As an example: to include all the rules which belong to the BestPractices category you need to add to your ruleset <rule ref="category/apex/bestpractices.xml"/> You can see all the rules here: pmd.github.io/latest/pmd_rules_apex.html
    – user1067017
    Jul 27, 2021 at 21:36

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