[jira] [Created] (KUDU-3793) LeaderElection hits has_responded_ CHECK on shutdown when async DNS callback is dropped

[Gabriella Lotz (Jira)]

Gabriella Lotz created KUDU-3793:
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             Summary: LeaderElection hits has_responded_ CHECK on shutdown when 
async DNS callback is dropped
                 Key: KUDU-3793
                 URL: https://issues.apache.org/jira/browse/KUDU-3793
             Project: Kudu
          Issue Type: Bug
            Reporter: Gabriella Lotz


While running auto_leader_rebalancer-test under TSAN, I hit this crash during 
cluster shutdown:
{code:java}
F leader_election.cc:206] Check failed: has_responded_
  @ kudu::consensus::LeaderElection::~LeaderElection()
  @ ... kudu::rpc::Proxy::RefreshDnsAndEnqueueRequest()::$_0::~...
  @ kudu::DnsResolver::RefreshAddressesAsync()::$_1::~...{code}



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