It is working now, please follow the below steps: wget https://download2.rstudio.org/rstudio-server-rhel-0.99.893-x86_64.rpm sudo yum install --nogpgcheck rstudio-server-rhel-0.99.893-x86_64.rpm ln -s /usr/lib64/libssl.so.10 /usr/lib64/libssl.so.6 ln -s /usr/lib64/libcrypto.so.10 /usr/lib64/libcrypto.so.6 yum install dpkg dpkg-divert --local --rename --add /sbin/initctl ln -s /bin/true /sbin/initctl yum install R rstudio-server verify-installation Please change the default port from 8787 to 8090 as this port is not opened in the docker sandbox Go to file /etc/rstudio/rserver.conf and add this entry : www-port = 8090 Restart the server by typing exec /usr/lib/rstudio-server/bin/rserver. It will take you out from the docker shell but you can relogin. Go to browser anyway and access RStudio by typing 127.0.0.1:8090. The login page will appear, use user credentials maria_dev/maria_dev ... View more

@Garima Verma , you can use RouteOnAttribute Processor to filter out the records based on the condition. One way to drop the column is to use ExtractText processor that assigns the columns to attributes using regular expression and in ReplaceText processor, you can drop that attribute from the FlowFile content. You can transform your null values by using ReplaceText processor which uses Nifi Expression language. I would recommend you to go through Nifi Processors and Nifi Expression language. Here is the link: https://nifi.apache.org/docs.html You can go through all processors and expression language guide here. ... View more

@J. D. Bacolod , make sure your Ambari Infra service is stopped when you start the Solr. Ambari Infra is the embedded solr which other services need. Start your newly installed Solr and later on, you can start Ambari Infra. ... View more

Got this one working, there were some null values in output/dependent variable ARR_DELAY. Replaced those with the mean value of the column. ... View more