Troubleshooting Experiments in Labwiki

Common issues

This page contains tips and instructions for troubleshooting issues encountered when running experiments in Labwiki. Listed below are common problems encountered followed by steps to take to gather information and resolve the issue.

1. My experiment is stuck in a "Pending" state.

2. My graph does not show up when I run my experiment.

1. Check the Labwiki logs to see if your resources are all communicating properly

2. Make sure the OMF RC is running on each of your resources
   • Log in to each resource
   • Check the status of the omf_rc service

     johren@switch:~$ service omf_rc status
     omf_rc start/running, process 15228
     

3. Make sure the OMF RC is configured to communicate with the AMQP server at gimi3.casa.umass.edu
   • Look in /etc/omf_rc/config.yaml
   • You should see the following line:

     :uri: amqp://gimi3.casa.umass.edu
     

# Check the logs at /var/log/omf_rc.log for error messages

Guide to messages in the Labwiki logs

• In a successful experiment, you should see log entries like these...

• These log entries indicate that you have a problem...