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

["Yan Xu (JIRA)" <ji...@apache.org>]

Yan Xu created MESOS-6074:
-----------------------------

             Summary: Master check failure if the metrics endpoint is polled soon after it starts
                 Key: MESOS-6074
                 URL: https://issues.apache.org/jira/browse/MESOS-6074
             Project: Mesos
          Issue Type: Bug
          Components: master
    Affects Versions: 1.0.0
            Reporter: Yan Xu
            Priority: Critical


We observed the following check failure

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

called from {{mesos::internal::master::allocator::internal::HierarchicalAllocatorProcess::_re
sources_total}} 

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

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

See [github|https://github.com/apache/mesos/blob/dcc8bd7d2a942889fe473c21ab64e863d0e6a13f/src/master/allocator/mesos/hierarchical.cpp#L1804]



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