@kk_nifi    This is more likely an issue in the specific Java 11 version your are using. https://bugs.openjdk.java.net/browse/JDK-8243541 Somethings you may want to try: 1. Try a different update version of Java 11 2. add the following line to the NiFi bootstrap.conf file: java.arg.<some unused number>=-Djava.locale.providers=COMPAT Note: A restart of NiFi is needed with any config file change except logback.xml. Hope this helps, Matt ... View more