Marco Massenzio created MESOS-2962:
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Summary: Slave fails with Abort stacktrace when DNS cannot resolve
hostname
Key: MESOS-2962
URL: https://issues.apache.org/jira/browse/MESOS-2962
Project: Mesos
Issue Type: Bug
Components: slave
Affects Versions: 0.22.1
Reporter: Marco Massenzio
Assignee: Marco Massenzio
If the DNS cannot resolve the hostname-to-IP for a slave node, we correctly
return an {{Error}} object, but we then fail with a segfault.
This code adds a more user-friendly message and exits normally (with an
{{EXIT_FAILURE}} code).
For example, forcing {{net::getIp()}} to always return an {{Error}}, now causes
the slave to exit like this:
{noformat}
$ ./bin/mesos-slave.sh --master=10.10.1.121:5405
WARNING: Logging before InitGoogleLogging() is written to STDERR
E0630 11:31:45.777465 1944417024 process.cpp:899] Could not obtain the IP
address for stratos.local; the DNS service may not be able to resolve it: >>>
Marco was here!!!
$ echo $?
1
{noformat}
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