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https://issues.apache.org/jira/browse/SINGA-150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15201563#comment-15201563
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Anh Dinh commented on SINGA-150:
--------------------------------
an easy fix is to comment out the `InitGoogleLogging()` method in
`singa_scheduler.cc`. However, this error should not have occured in the first
place, because this current `singa_scheduler.cc` was not up to date when it was
merged to the main branch.
currently, Docker build is part of the main branch, so to build a Docker
container for SINGA, there're several steps:
1. clone from github
2. when doing docker build:
2.1. install dependencies
2.2 then inside each container, it then clone from github.
These circular steps (1) and (2.2) can be the source of
confusion/complexity/error when testing and merging a new Docker-based feature
to the main branch.
I'll add in a fix for this ticket which also changes the Docker build process.
> "called InitGoogleLogging() twice!" error
> -----------------------------------------
>
> Key: SINGA-150
> URL: https://issues.apache.org/jira/browse/SINGA-150
> Project: Singa
> Issue Type: Bug
> Environment: Ubuntu 12.04.5 LTS (GNU/Linux 3.13.0-83-generic x86_64)
> Reporter: Chen Peng
>
> When launching SINGA on pseudo-distributed mode (single node) according to
> http://singa.apache.org/docs/docker.html and train it according to
> http://singa.apache.org/docs/mesos.html, two nodes (node0 and node1) are
> created.
> When executing the command `./scheduler /root/incubator-singa/│install.sh
> zookeeper-3.4.6 zookeeper-3.4.6.tar.gz
> examples/cifar10/job.conf -scheduler_conf ./scheduler.conf -singa_conf
> /roo│root@node1:~/incubator-singa/thirdparty# uname
>
> t/incubator-singa/conf/singa.conf ', the following error is displayed:
> I0317 23:08:19.499140 298 singa_scheduler.cc:413] Scheduler initialized
> F0317 23:08:19.503722 298 utilities.cc:317] Check failed: !IsGoogleLoggin
> gInitialized() You called InitGoogleLogging() twice!
> *** Check failure stack trace: ***
> @ 0x7f9178664612 google::LogMessage::Fail()
> @ 0x7f917866455e google::LogMessage::SendToLog()
> @ 0x7f9178663f60 google::LogMessage::Flush()
> @ 0x7f9178666e74 google::LogMessageFatal::~LogMessageFatal()
> @ 0x7f917866ac21 google::glog_internal_namespace_::InitGoogleLoggi
> ngUtilities()
> @ 0x7f917866717f google::InitGoogleLogging()
> @ 0x7f9177ccff6d mesos::internal::logging::initialize()
> @ 0x7f9177eba176 mesos::MesosSchedulerDriver::initialize()
> @ 0x7f9177eba95c mesos::MesosSchedulerDriver::MesosSchedulerDriver
> ()
> @ 0x408c3d main
> @ 0x7f9174109ec5 (unknown)
> @ 0x408669 (unknown)
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