jackjlli commented on pull request #7033:
URL: https://github.com/apache/incubator-pinot/pull/7033#issuecomment-857268994
> `InstanceConfig.getTags()` should never return `null`. Are you using a
different Helix version?
> Here's the Helix code:
>
> ```
> public List<String> getTags() {
> List<String> tags =
getRecord().getListField(InstanceConfigProperty.TAG_LIST.toString());
> if (tags == null) {
> tags = new ArrayList<String>(0);
> }
> return tags;
> }
> ```
Thanks for pointing out! The purpose of this PR is to address an issue when
the helix tag for minion host is missing, and we suspect that it's due to an
NPE from this part of code. @amrishlal we can remove the null check for the
returned reference of getTags, while a null check is needed for instanceConfig.
Please include that into this PR.
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