Neil Conway created MESOS-7596:
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Summary: Multiple registration attempts might result in agent
shutdown
Key: MESOS-7596
URL: https://issues.apache.org/jira/browse/MESOS-7596
Project: Mesos
Issue Type: Bug
Reporter: Neil Conway
This sequence of events is possible:
# Agent sends register message M1 to master.
# Agent register timer expires, sends register message M2 to master.
# Master sees M1 and adds agent with ID A1.
# Agent gets SlaveRegisteredMessage with ID A1.
# The master <-> agent socket breaks; the master marks the agent as
disconnected.
# Master sees M2; since the agent is currently disconnected, the master removes
A1 and adds the agent with ID A2.
# Agent gets SlaveRegisteredMessage with ID A2. Since this is unexpected, the
agent exits ("Registered but got wrong id").
Shutting down the agent is unfortunate, although arguably not catastrophic.
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