[jira] [Created] (MESOS-5384) Improve error message for missing resources file

["John Yost (JIRA)" <ji...@apache.org>]

John Yost created MESOS-5384:
--------------------------------

             Summary: Improve error message for missing resources file
                 Key: MESOS-5384
                 URL: https://issues.apache.org/jira/browse/MESOS-5384
             Project: Mesos
          Issue Type: Bug
          Components: general
    Affects Versions: 0.28.1
         Environment: Centos 7
            Reporter: John Yost
            Priority: Minor
             Fix For: 0.29.0


Attempting to specify resources file via --resources=/etc/mesos-slave/small-slave-config.json threw the following error:

Failed to determine slave resources: Bad value for resources, missing or extra ':' in /etc/mesos-slave/small-slave-config.json

I confirmed I had valid JSON: 

[
  {
    "name": "cpus",
    "type": "SCALAR",
    "scalar": {
      "value": 0.5
    }
  },
  {
    "name": "mem",
    "type": "SCALAR",
    "scalar": {
      "value": 512
    }
  }
]

In actuality, I misread to docs with my file pattern. Once I changed to resources=file:///etc/mesos-slave/small-slave-config.json the mesos slave started up fine. Just need a missing file check and corresponding error message to fix this.



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