Thanks for using Cloudera Community. Based on the Post, ZooKeeper Service is failing to start on CDH v5.16. The Screenshot covers the "stdout" file. Kindly share the "stderr" file or the "Role Log" file for reviewing the issue with ZooKeeper Service.
If your Team have Solved the Post, Kindly share the Issue & Steps performed to Mitigate the Issue. Your assistance would help our fellow Community Users.