Persistent connection closed
Summary
Some of jobs are failing with error: ERROR: Job failed (system failure): persistent connection closed
The project uses gradle to run tests. After BUILD SUCCESSFUL
giltab build fails with that error. It happens at random and rebuild helps
Relevant logs and/or screenshots
End of gradle logs:
12:22:14.308 [INFO] com.zaxxer.hikari.pool.HikariPool - HikariPool-2 - Closed.
BUILD SUCCESSFUL
Total time: 16 mins 8.545 secs
ERROR: Job failed (system failure): persistent connection closed
Environment description
We have self hosted Gitlab CE (9.0.4
). Runner (9.0.1
) is using docker executor
# docker info
Containers: 8
Running: 1
Paused: 0
Stopped: 7
Images: 44
Server Version: 1.12.3
Storage Driver: aufs
Root Dir: /var/lib/docker/aufs
Backing Filesystem: extfs
Dirs: 383
Dirperm1 Supported: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: host bridge null overlay
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Security Options:
Kernel Version: 3.16.0-4-amd64
Operating System: Debian GNU/Linux 8 (jessie)
OSType: linux
Architecture: x86_64
CPUs: 8
Total Memory: 23.6 GiB
Name: gitlabci5
ID: ****
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Username: toukjenkins
Registry: https://index.docker.io/v1/
WARNING: No memory limit support
WARNING: No swap limit support
WARNING: No kernel memory limit support
WARNING: No oom kill disable support
WARNING: No cpu cfs quota support
WARNING: No cpu cfs period support
Insecure Registries:
127.0.0.0/8
Used GitLab Runner version
# gitlab-runner --version
Version: 9.0.1
Git revision: a3da309
Git branch: 9-0-stable
GO version: go1.7.5
Built: Wed, 05 Apr 2017 11:15:09 +0000
OS/Arch: linux/amd64