What's Actually Happening

HashiCorp Nomad job fails to run. Tasks are not scheduled or allocations fail.

The Error You'll See

```bash $ nomad job status myjob

Status = failed ```

Why This Happens

  1. 1.Job specification error
  2. 2.Resource constraints
  3. 3.Driver issues
  4. 4.Network connectivity
  5. 5.Task execution failure

Step 1: Check Job Status

bash
nomad job status myjob
nomad job inspect myjob

Step 2: Check Allocations

bash
nomad job allocs myjob
nomad alloc status <alloc-id>

Step 3: Check Task Logs

bash
nomad alloc logs <alloc-id> mytask
nomad alloc logs -stderr <alloc-id> mytask

Step 4: Check Job Specification

bash
nomad job validate myjob.nomad
nomad job plan myjob.nomad

Step 5: Check Resources

bash
nomad node status
nomad node status <node-id>

Step 6: Check Driver

bash
nomad node status <node-id> | grep Drivers
nomad client config

Step 7: Restart Job

bash
nomad job restart <alloc-id> mytask
nomad job dispatch myjob

Step 8: Reschedule Allocation

bash
nomad alloc restart <alloc-id>
nomad alloc signal <alloc-id>

Step 9: Check Network

bash
nomad alloc exec <alloc-id> ping -c 3 google.com

Step 10: Monitor Job

bash
nomad job status -verbose myjob
watch -n 5 'nomad job status myjob'
  • [Fix Nomad Job Allocation Failed](/articles/fix-nomad-job-allocation-failed)
  • [Fix Consul Service Not Registering](/articles/fix-consul-service-not-registering)