Re: Build failed in Jenkins: Mesos » clang,--verbose,ubuntu:14.04,docker||Hadoop #1353

2015-12-12 Thread Michael Park
Looks like the tests are hanging at various places locally on my OS X box
it hangs on *FetcherCacheHttpTest.HttpCachedConcurrent*. Could you take a
look?

On Sat, Dec 12, 2015 at 1:51 AM Apache Jenkins Server <
jenk...@builds.apache.org> wrote:

> See <
> https://builds.apache.org/job/Mesos/COMPILER=clang,CONFIGURATION=--verbose,OS=ubuntu%3A14.04,label_exp=docker%7C%7CHadoop/1353/
> >
>
> --
> [...truncated 131592 lines...]
> 2015-12-12
> 06:37:57,286:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:00,623:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:03,960:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:07,298:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:10,634:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:13,971:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:17,307:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:20,643:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:23,979:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:27,315:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:30,652:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:33,988:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:37,325:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:40,664:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:44,001:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:47,337:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:50,674:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:54,011:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:38:57,347:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:39:00,683:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:39:04,019:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:39:07,355:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> server refused to accept the client
> 2015-12-12
> 06:39:10,692:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg@1697:
> Socket 

Re: Build failed in Jenkins: Mesos » clang,--verbose,ubuntu:14.04,docker||Hadoop #1353

2015-12-12 Thread Benjamin Mahler
Will do

On Saturday, December 12, 2015, Michael Park  wrote:

> Looks like the tests are hanging at various places locally on my OS X box
> it hangs on *FetcherCacheHttpTest.HttpCachedConcurrent*. Could you take a
> look?
>
> On Sat, Dec 12, 2015 at 1:51 AM Apache Jenkins Server <
> jenk...@builds.apache.org > wrote:
>
> > See <
> >
> https://builds.apache.org/job/Mesos/COMPILER=clang,CONFIGURATION=--verbose,OS=ubuntu%3A14.04,label_exp=docker%7C%7CHadoop/1353/
> > >
> >
> > --
> > [...truncated 131592 lines...]
> > 2015-12-12
> > 06:37:57,286:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:00,623:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:03,960:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:07,298:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:10,634:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:13,971:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:17,307:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:20,643:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:23,979:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:27,315:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:30,652:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:33,988:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:37,325:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:40,664:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:44,001:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:47,337:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:50,674:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:54,011:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:38:57,347:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:39:00,683:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
> > server refused to accept the client
> > 2015-12-12
> > 06:39:04,019:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
> @1697:
> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection 

Re: Build failed in Jenkins: Mesos » clang,--verbose,ubuntu:14.04,docker||Hadoop #1353

2015-12-12 Thread Benjamin Mahler
I pushed a fix for the deadlock issue in HttpTest.Endpoints.

There appears to also be issues with ProcessTest.Http1 and
ProcessTest.Http2. I'll look into those as well.

On Sat, Dec 12, 2015 at 8:40 AM, Benjamin Mahler 
wrote:

> Will do
>
>
> On Saturday, December 12, 2015, Michael Park  wrote:
>
>> Looks like the tests are hanging at various places locally on my OS X box
>> it hangs on *FetcherCacheHttpTest.HttpCachedConcurrent*. Could you take a
>> look?
>>
>> On Sat, Dec 12, 2015 at 1:51 AM Apache Jenkins Server <
>> jenk...@builds.apache.org> wrote:
>>
>> > See <
>> >
>> https://builds.apache.org/job/Mesos/COMPILER=clang,CONFIGURATION=--verbose,OS=ubuntu%3A14.04,label_exp=docker%7C%7CHadoop/1353/
>> > >
>> >
>> > --
>> > [...truncated 131592 lines...]
>> > 2015-12-12
>> > 06:37:57,286:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:00,623:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:03,960:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:07,298:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:10,634:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:13,971:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:17,307:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:20,643:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:23,979:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:27,315:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:30,652:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:33,988:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:37,325:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:40,664:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:44,001:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:47,337:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:50,674:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:54,011:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 06:38:57,347:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
>> @1697:
>> > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection refused):
>> > server refused to accept the client
>> > 2015-12-12
>> > 

Re: Build failed in Jenkins: Mesos » clang,--verbose,ubuntu:14.04,docker||Hadoop #1353

2015-12-12 Thread Benjamin Mahler
Fix for ProcessTest.Http1:
https://reviews.apache.org/r/41318/

Some Subprocess test cleanups that I noticed were needed when I fixed the
fd leak:
https://reviews.apache.org/r/41320/

On Sat, Dec 12, 2015 at 2:33 PM, Benjamin Mahler 
wrote:

> The issues with ProcessTest.Http1 and ProcessTest.Http2 appear to be
> existing issues, unrelated to the authentication changes.
>
> ProcessTest.Http1 hangs after a number of iterations because it uses
> http::post to do libprocess message passing but it uses the "User-Agent"
> header which means libprocess does not reply with a 202. I'll update it to
> use http::connect and explicitly close the connection. I noticed that
> there was a file descriptor leak in the subprocess tests when I was looking
> at leaks here.
>
> Haven't had a chance to look at ProcessTest.Http2 yet.
>
> I also noticed that ProcessTest.Remote and ProcessTest.Http1 seem to hit a
> resource limitation around 16K runs, which leads to:
> (socket.connect(process.self().address)).failure(): Failed to connect to
> 192.168.1.88:52713: Can't assign requested address
>
> Needless to say, having CI run the tests in repetition would be great. :)
>
> On Sat, Dec 12, 2015 at 11:12 AM, Benjamin Mahler <
> benjamin.mah...@gmail.com> wrote:
>
>> I pushed a fix for the deadlock issue in HttpTest.Endpoints.
>>
>> There appears to also be issues with ProcessTest.Http1 and
>> ProcessTest.Http2. I'll look into those as well.
>>
>> On Sat, Dec 12, 2015 at 8:40 AM, Benjamin Mahler <
>> benjamin.mah...@gmail.com> wrote:
>>
>>> Will do
>>>
>>>
>>> On Saturday, December 12, 2015, Michael Park  wrote:
>>>
 Looks like the tests are hanging at various places locally on my OS X
 box
 it hangs on *FetcherCacheHttpTest.HttpCachedConcurrent*. Could you take
 a
 look?

 On Sat, Dec 12, 2015 at 1:51 AM Apache Jenkins Server <
 jenk...@builds.apache.org> wrote:

 > See <
 >
 https://builds.apache.org/job/Mesos/COMPILER=clang,CONFIGURATION=--verbose,OS=ubuntu%3A14.04,label_exp=docker%7C%7CHadoop/1353/
 > >
 >
 > --
 > [...truncated 131592 lines...]
 > 2015-12-12
 > 06:37:57,286:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:00,623:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:03,960:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:07,298:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:10,634:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:13,971:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:17,307:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:20,643:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:23,979:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:27,315:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:30,652:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 > 2015-12-12
 > 06:38:33,988:28721(0x2b23b3a0d700):ZOO_ERROR@handle_socket_error_msg
 @1697:
 > Socket [127.0.0.1:34374] zk retcode=-4, errno=111(Connection
 refused):
 > server refused to accept the client
 >