Unable to start Cloudera Agent

[#1]

One of my Cloudera Agents stopped unexpectgedly and I can't restart the agent. When I attempt to start the agent I receive an error:

service cloudera-scm-agent start
Starting cloudera-scm-agent: * Couldn't start cloudera-scm-agent

In the /var/log/cloudera-scm-agent/cloudera-scm-agent.out log file I see the following error:

Traceback (most recent call last):
File "/usr/lib/cmf/agent/src/cmf/agent.py", line 6, in <module>
import avro.datafile
ImportError: No module named avro.datafile

I am running Ubuntu 14.04 with CDH 5.4.7 managed by CM.

Do you have any suggestions? 

[#2 · Accepted solution]

I did not want to spend too much time on this so I uninstalled and reinstalled the agent. This worked perfectly. I am now up and running.

The commands I used:

sudo apt-get remove cloudera-manager-agent cloudera-manager-daemons

sudo apt-get install cloudera-manager-agent cloudera-manager-daemons