@Deleted Account I have seen this type of error in MSM set up where Livecopy property is missing on sub pages nodes.But it will be helpful if you provide complete stack trace.

I don't understand the complexity & usecase. However, you can certainly use the conditions at the start of the loop where you are building an array and at the last to not include the ",". In sling model, you have the control and you can easily use the core java features & add some logic to meet your...

You should resolve a tag via TagManager (https://developer.adobe.com/experience-manager/reference-materials/6-5/javadoc/index.html?com/day/cq/tagging/TagManager.html)  resourceResolver.adaptTo(TagManager.class)

i18n should work as well if you store the values within /content.I didnt tried it on CS.

Set it up locally & push it as code.There is no way as of now apart from this.

AEM LinkChecker is based on an Event-Handler and gets called on create and update for /content and its child.How it works:Author save any link (RTE or component), event handler get invoked.Link checker event Handler traverse /content and checks for new/updated links, once found it will store that ma...

You can override the code coverage (if needed) but not recommended.No, this metric cannot be configured.https://experienceleaguecommunities.adobe.com/t5/adobe-experience-manager/any-sonarqube-rules-implementation-for-aem-cloud-manager/m-p/286018