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Posted to reviews@mesos.apache.org by James Peach <jp...@apache.org> on 2019/06/19 05:06:02 UTC

Review Request 70881: Improve master CHECK messages.

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/70881/
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Review request for mesos, Benjamin Mahler and Greg Mann.


Repository: mesos


Description
-------

For master CHECKs that fail by looking up some unique key, log
the key to aid debugging.


Diffs
-----

  src/master/master.cpp 8a238aa1d5592f91d8c3b3c443aa30acd3a0cfd0 


Diff: https://reviews.apache.org/r/70881/diff/1/


Testing
-------

make check (Fedora 30)


Thanks,

James Peach


Re: Review Request 70881: Improve master CHECK messages.

Posted by Mesos Reviewbot <re...@mesos.apache.org>.
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/70881/#review215959
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Patch looks great!

Reviews applied: [70881]

Passed command: export OS='ubuntu:14.04' BUILDTOOL='autotools' COMPILER='gcc' CONFIGURATION='--verbose --disable-libtool-wrappers --disable-parallel-test-execution' ENVIRONMENT='GLOG_v=1 MESOS_VERBOSE=1'; ./support/docker-build.sh

- Mesos Reviewbot


On June 19, 2019, 5:06 a.m., James Peach wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/70881/
> -----------------------------------------------------------
> 
> (Updated June 19, 2019, 5:06 a.m.)
> 
> 
> Review request for mesos, Benjamin Mahler and Greg Mann.
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> For master CHECKs that fail by looking up some unique key, log
> the key to aid debugging.
> 
> 
> Diffs
> -----
> 
>   src/master/master.cpp 8a238aa1d5592f91d8c3b3c443aa30acd3a0cfd0 
> 
> 
> Diff: https://reviews.apache.org/r/70881/diff/1/
> 
> 
> Testing
> -------
> 
> make check (Fedora 30)
> 
> 
> Thanks,
> 
> James Peach
> 
>


Re: Review Request 70881: Improve master CHECK messages.

Posted by James Peach <jp...@apache.org>.

> On June 19, 2019, 5:41 p.m., Greg Mann wrote:
> > src/master/master.cpp
> > Line 4346 (original), 4346 (patched)
> > <https://reviews.apache.org/r/70881/diff/1/?file=2151245#file2151245line4346>
> >
> >     Nit: you could use `CHECK_NE` here and elsewhere instead of just `CHECK`?
> 
> James Peach wrote:
>     Good point, I'll give that a try. IME `CHECK_NE` on pointers doesn't always compile :)

```
../3rdparty/glog-0.4.0/src/glog/logging.h:720:1:   required from ‘std::string* google::Check_NEImpl(const T1&, const T2&, const char*) [with T1 = mesos::internal::master::Slave*; T2 = std::nullptr_t; std::string = std::__cxx11::basic_string<char>]’
../../src/master/master.cpp:4346:3:   required from here
../3rdparty/glog-0.4.0/src/glog/logging.h:640:9: error: ambiguous overload for ‘operator<<’ (operand types are ‘std::ostream’ {aka ‘std::basic_ostream<char>’} and ‘std::nullptr_t’)
  640 |   (*os) << v;
      |   ~~~~~~^~~~
```
      

In `master.cpp`, there are a lot of other places that do `CHECK(foo != nullptr)`.


- James


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/70881/#review215973
-----------------------------------------------------------


On June 19, 2019, 5:06 a.m., James Peach wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/70881/
> -----------------------------------------------------------
> 
> (Updated June 19, 2019, 5:06 a.m.)
> 
> 
> Review request for mesos, Benjamin Mahler and Greg Mann.
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> For master CHECKs that fail by looking up some unique key, log
> the key to aid debugging.
> 
> 
> Diffs
> -----
> 
>   src/master/master.cpp 8a238aa1d5592f91d8c3b3c443aa30acd3a0cfd0 
> 
> 
> Diff: https://reviews.apache.org/r/70881/diff/1/
> 
> 
> Testing
> -------
> 
> make check (Fedora 30)
> 
> 
> Thanks,
> 
> James Peach
> 
>


Re: Review Request 70881: Improve master CHECK messages.

Posted by James Peach <jp...@apache.org>.

> On June 19, 2019, 5:41 p.m., Greg Mann wrote:
> > src/master/master.cpp
> > Line 4346 (original), 4346 (patched)
> > <https://reviews.apache.org/r/70881/diff/1/?file=2151245#file2151245line4346>
> >
> >     Nit: you could use `CHECK_NE` here and elsewhere instead of just `CHECK`?

Good point, I'll give that a try. IME `CHECK_NE` on pointers doesn't always compile :)


- James


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/70881/#review215973
-----------------------------------------------------------


On June 19, 2019, 5:06 a.m., James Peach wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/70881/
> -----------------------------------------------------------
> 
> (Updated June 19, 2019, 5:06 a.m.)
> 
> 
> Review request for mesos, Benjamin Mahler and Greg Mann.
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> For master CHECKs that fail by looking up some unique key, log
> the key to aid debugging.
> 
> 
> Diffs
> -----
> 
>   src/master/master.cpp 8a238aa1d5592f91d8c3b3c443aa30acd3a0cfd0 
> 
> 
> Diff: https://reviews.apache.org/r/70881/diff/1/
> 
> 
> Testing
> -------
> 
> make check (Fedora 30)
> 
> 
> Thanks,
> 
> James Peach
> 
>


Re: Review Request 70881: Improve master CHECK messages.

Posted by James Peach <jp...@apache.org>.

> On June 19, 2019, 5:41 p.m., Greg Mann wrote:
> > src/master/master.cpp
> > Line 4346 (original), 4346 (patched)
> > <https://reviews.apache.org/r/70881/diff/1/?file=2151245#file2151245line4346>
> >
> >     Nit: you could use `CHECK_NE` here and elsewhere instead of just `CHECK`?
> 
> James Peach wrote:
>     Good point, I'll give that a try. IME `CHECK_NE` on pointers doesn't always compile :)
> 
> James Peach wrote:
>     ```
>     ../3rdparty/glog-0.4.0/src/glog/logging.h:720:1:   required from ‘std::string* google::Check_NEImpl(const T1&, const T2&, const char*) [with T1 = mesos::internal::master::Slave*; T2 = std::nullptr_t; std::string = std::__cxx11::basic_string<char>]’
>     ../../src/master/master.cpp:4346:3:   required from here
>     ../3rdparty/glog-0.4.0/src/glog/logging.h:640:9: error: ambiguous overload for ‘operator<<’ (operand types are ‘std::ostream’ {aka ‘std::basic_ostream<char>’} and ‘std::nullptr_t’)
>       640 |   (*os) << v;
>           |   ~~~~~~^~~~
>     ```
>           
>     
>     In `master.cpp`, there are a lot of other places that do `CHECK(foo != nullptr)`.

Dropping this issue, since `CHECK_NE` doesn't compile :)


- James


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/70881/#review215973
-----------------------------------------------------------


On June 19, 2019, 5:06 a.m., James Peach wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/70881/
> -----------------------------------------------------------
> 
> (Updated June 19, 2019, 5:06 a.m.)
> 
> 
> Review request for mesos, Benjamin Mahler and Greg Mann.
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> For master CHECKs that fail by looking up some unique key, log
> the key to aid debugging.
> 
> 
> Diffs
> -----
> 
>   src/master/master.cpp 8a238aa1d5592f91d8c3b3c443aa30acd3a0cfd0 
> 
> 
> Diff: https://reviews.apache.org/r/70881/diff/1/
> 
> 
> Testing
> -------
> 
> make check (Fedora 30)
> 
> 
> Thanks,
> 
> James Peach
> 
>


Re: Review Request 70881: Improve master CHECK messages.

Posted by Greg Mann <gr...@mesosphere.io>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/70881/#review215973
-----------------------------------------------------------


Fix it, then Ship it!





src/master/master.cpp
Line 4346 (original), 4346 (patched)
<https://reviews.apache.org/r/70881/#comment302892>

    Nit: you could use `CHECK_NE` here and elsewhere instead of just `CHECK`?


- Greg Mann


On June 19, 2019, 5:06 a.m., James Peach wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/70881/
> -----------------------------------------------------------
> 
> (Updated June 19, 2019, 5:06 a.m.)
> 
> 
> Review request for mesos, Benjamin Mahler and Greg Mann.
> 
> 
> Repository: mesos
> 
> 
> Description
> -------
> 
> For master CHECKs that fail by looking up some unique key, log
> the key to aid debugging.
> 
> 
> Diffs
> -----
> 
>   src/master/master.cpp 8a238aa1d5592f91d8c3b3c443aa30acd3a0cfd0 
> 
> 
> Diff: https://reviews.apache.org/r/70881/diff/1/
> 
> 
> Testing
> -------
> 
> make check (Fedora 30)
> 
> 
> Thanks,
> 
> James Peach
> 
>