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src/slave/containerizer/mesos/isolators/network/cni/cni.cpp (line 325)
<https://reviews.apache.org/r/45717/#comment190123>

    Do we need to check `pluginDir` here? I think in `recover()`, `pluginDir` 
will not be used, it should only be used in `attach` and `detach`. And in 
another hand, `rootDir` and `pluginDir` are always both set or both not set, it 
is not possible that we have one set but another not set, so I think checking 
one (`rootDir`) should be enough.


- Qian Zhang


On April 5, 2016, 7:55 a.m., Avinash sridharan wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/45717/
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> 
> (Updated April 5, 2016, 7:55 a.m.)
> 
> 
> Review request for mesos, Jie Yu and Qian Zhang.
> 
> 
> Bugs: MESOS-5113
>     https://issues.apache.org/jira/browse/MESOS-5113
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> `rootDir` and `pluginDir` can be `None` in case the operator does not
> specify the network cni flags. In this case invoking `recover` on the
> isolator without checking the `rootDir` and `pluginDir` for `isSome`
> will cause the Agent to crash.
> 
> 
> Diffs
> -----
> 
>   src/slave/containerizer/mesos/isolators/network/cni/cni.cpp 
> af5f49007e0afe57006c9db940611e56eb75a621 
> 
> Diff: https://reviews.apache.org/r/45717/diff/
> 
> 
> Testing
> -------
> 
> make
> 
> Bought a slave and master and verified that the slave does not crash.
> 
> 
> Thanks,
> 
> Avinash sridharan
> 
>

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