Github user JohannesDaniel commented on a diff in the pull request: https://github.com/apache/nifi/pull/2199#discussion_r145415068 --- Diff: nifi-nar-bundles/nifi-solr-bundle/nifi-solr-processors/src/main/java/org/apache/nifi/processors/solr/SolrProcessor.java --- @@ -275,7 +275,7 @@ protected final boolean isBasicAuthEnabled() { } @Override - protected final Collection<ValidationResult> customValidate(ValidationContext context) { + protected Collection<ValidationResult> customValidate(ValidationContext context) { --- End diff -- ok. by doing so, i will also have to add this method to PutSolrContentStream
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