I am sorry for the last additional picture, because it's the same as the second one. I tried to delete it but failed. If you know how to, please tell me. Thanks! ... View more

@fan haiqiang export HADOOP_CLIENT_OPTS="-Xmx2048m" ./nifi.sh dump or try few different ways ... View more

It's solved by copying file hdfs-site.xml and core-site.xml from directory /etc/hadoop/conf/ to conf directory of NiFi. ... View more