After you create multiple input ports in the NiFi, when you link your processor with your RPG, it will promote for you to choose which input port to use with selection list "to input". ... View more

I encountered similar problem with EL7 and python requests=2.6.0, fixed as below: [root@XXXX ~]# yum remove python-requests-2.6.0-1.el7_1.noarch Loaded plugins: langpacks, product-id, search-disabled-repos Repository HDP-UTILS-1.1.0.21 is listed more than once in the configuration Resolving Dependencies Installed size: 774 k Is this ok [y/N]: y Downloading packages: Running transaction check Running transaction test Transaction test succeeded Running transaction Erasing : insights-client-3.0.3-9.el7_5.noarch 1/2 warning: /etc/insights-client/insights-client.conf saved as /etc/insights-client/insights-client.conf.rpmsave Erasing : python-requests-2.6.0-1.el7_1.noarch 2/2 Verifying : python-requests-2.6.0-1.el7_1.noarch 1/2 Verifying : insights-client-3.0.3-9.el7_5.noarch 2/2 Removed: python-requests.noarch 0:2.6.0-1.el7_1 Dependency Removed: insights-client.noarch 0:3.0.3-9.el7_5 Complete! [root@XXXX ~]# pip install requests Collecting requests Downloading https://files.pythonhosted.org/packages/65/47/7e02164a2a3db50ed6d8a6ab1d6d60b69c4c3fdf57a284257925dfc12bda/requests-2.19.1-py2.py3-none-any.whl (91kB) 100% |████████████████████████████████| 92kB 5.2MB/s Requirement already satisfied: idna<2.8,>=2.5 in /usr/lib/python2.7/site-packages (from requests) (2.6) Requirement already satisfied: chardet<3.1.0,>=3.0.2 in /usr/lib/python2.7/site-packages (from requests) (3.0.4) Requirement already satisfied: urllib3<1.24,>=1.21.1 in /usr/lib/python2.7/site-packages (from requests) (1.22) Requirement already satisfied: certifi>=2017.4.17 in /usr/lib/python2.7/site-packages (from requests) (2018.4.16) Installing collected packages: requests Successfully installed requests-2.19.1 ... View more