[MESOS-6074] Master check failure if the metrics endpoint is polled soon after it starts

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 1.0.2, 1.1.0
• Component/s: master
• Assignee: Yan Xu
• Reporter: Yan Xu
• Created: 23/Aug/16 21:18
• Updated: 02/Sep/16 15:24
• Resolved: 02/Sep/16 15:24

Description

We observed the following check failure

F0822 22:27:10.364923 10489 owned.hpp:110] Check failed: 'get()' Must be non NULL

called from mesos::internal::master::allocator::internal::HierarchicalAllocatorProcess::_resources_total

The code:

double HierarchicalAllocatorProcess::_resources_total(
    const string& resource)
{
  Option<Value::Scalar> total =
    roleSorter->totalScalarQuantities()
      .get<Value::Scalar>(resource);

  return total.isSome() ? total->value() : 0;
}

See github