Github user pvillard31 commented on a diff in the pull request: https://github.com/apache/nifi/pull/986#discussion_r79215167 --- Diff: nifi-nar-bundles/nifi-standard-services/nifi-dbcp-service-bundle/nifi-dbcp-service/src/main/java/org/apache/nifi/dbcp/DBCPConnectionPool.java --- @@ -114,6 +114,17 @@ .sensitive(false) .build(); + public static final PropertyDescriptor VALIDATION_QUERY = new PropertyDescriptor.Builder() + .name("Validation query") + .description("Validation query used to validate connections before returning them." + + "When connection is invalid, it get's dropped and new valid connection will be returned." + + "Note!! Using validation might have some performance penalty.") + .defaultValue(null) --- End diff -- I don't think default value to null is necessary.
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