'xvfb-run: error: Xvfb failed to start' when using host network

[gilleta]

Hi,

I am trying to update my katalonstudio/katalon tests from 5.7.1 to 6.2.2 (edit: looks like 6.2.2 has been deleted from pre-releases, same issue with 6.X.X).

My web app runs on host port 9003, so with 5.7.1 I just used to run docker run --network="host" ... so that https://localhost:9003 could be reached from inside docker.

However, with 6.2.2, using --network="host" ... returns an Xvfb failed to start. Any idea how I could work around this (or maybe there is a better way than using host's network) ?
I tried to re-map 9003 port -p 9008:9003 and add --add-host=<my interface ip> but then my tests fail with this line appearing in the logs:
[SEVERE]: bind() failed: Cannot assign requested address (99)

Thanks for your help,
Alex

---

Steps to reproduce:
docker run --network="host" -v "`pwd`/myapp-katalon":/katalon/katalon/source:ro -v "`pwd`/katalon-reports":/katalon/katalon/report --rm katalonstudio/katalon:6.2.2 katalon-execute.sh
I ve removed everything that didn't look relevant to me to reproduve but here is the full command I usually use to run my tests:
docker run --network="host" -v /dev/shm:/dev/shm -v "`pwd`/myapp-katalon":/katalon/katalon/source:ro -v "`pwd`/katalon-reports":/katalon/katalon/report --rm katalonstudio/katalon:6.2.2 katalon-execute.sh -browserType="Chrome" -testSuitePath="Test Suites/myapp Test Suite" -executionProfile="localhost" --config -webui.autoUpdateDrivers=true;

Error:

Starting Katalon Studio
Google Chrome 75.0.3770.100
Mozilla Firefox 67.0.4
Katalon Studio 6.2.2
+ echo 'Starting Katalon Studio'
+ cat /katalon/version
++ pwd
+ current_dir=/
+ workspace_dir=/tmp/katalon_execute/workspace
+ mkdir -p /tmp/katalon_execute/workspace
+ chmod -R 777 /tmp/katalon_execute/workspace
+ source_dir=/katalon/katalon/source
+ '[' -d /katalon/katalon/source ']'
+ project_dir=/tmp/katalon_execute/project
+ mkdir -p /tmp/katalon_execute/project
+ cp -r /katalon/katalon/source/myapp-katalon.prj '/katalon/katalon/source/Data Files' /katalon/katalon/source/Include /katalon/katalon/source/Keywords /katalon/katalon/source/Libs '/katalon/katalon/source/Object Repository' /katalon/katalon/source/Profiles /katalon/katalon/source/README.md /katalon/katalon/source/Reports /katalon/katalon/source/Scripts '/katalon/katalon/source/Test Cases' '/katalon/katalon/source/Test Suites' /katalon/katalon/source/bin /katalon/katalon/source/semaphoreDocker.sh /katalon/katalon/source/settings /tmp/katalon_execute/project
++ find /tmp/katalon_execute/project -name '*.prj'
+ project_prj_file=/tmp/katalon_execute/project/myapp-katalon.prj
+ cd /tmp/katalon_execute/project
+ '[' -f /tmp/katalon_execute/project/build.gradle ']'
+ cd /
+ touch /tmp/katalon_execute/project/.classpath
+ chmod -R 777 /tmp/katalon_execute/project
+ rm -rf /tmp/katalon_execute/project/bin
+ rm -rf /tmp/katalon_execute/project/Libs
+ ls -la /tmp/katalon_execute/project
total 60
drwxrwxrwx 12 root root 4096 Aug  5 09:51 .
drwxr-xr-x  4 root root 4096 Aug  5 09:51 ..
-rwxrwxrwx  1 root root    0 Aug  5 09:51 .classpath
-rwxrwxrwx  1 root root  915 Aug  5 09:51 myapp-katalon.prj
drwxrwxrwx  2 root root 4096 Aug  5 09:51 Data Files
drwxrwxrwx  3 root root 4096 Aug  5 09:51 Include
drwxrwxrwx  3 root root 4096 Aug  5 09:51 Keywords
drwxrwxrwx  4 root root 4096 Aug  5 09:51 Object Repository
drwxrwxrwx  2 root root 4096 Aug  5 09:51 Profiles
-rwxrwxrwx  1 root root 2622 Aug  5 09:51 README.md
drwxrwxrwx  3 root root 4096 Aug  5 09:51 Reports
drwxrwxrwx  5 root root 4096 Aug  5 09:51 Scripts
drwxrwxrwx  5 root root 4096 Aug  5 09:51 Test Cases
drwxrwxrwx  2 root root 4096 Aug  5 09:51 Test Suites
-rwxrwxrwx  1 root root 1869 Aug  5 09:51 semaphoreDocker.sh
drwxrwxrwx  3 root root 4096 Aug  5 09:51 settings
+ report_dir=/katalon/katalon/report
+ '[' -d /katalon/katalon/report ']'
+ mkdir -p /katalon/katalon/report
+ args=("$KATALON_KATALON_INSTALL_DIR/katalon" "$@")
+ args+=("-runMode=console")
+ args+=("-reportFolder=$report_dir")
+ args+=("-projectPath=$project_prj_file")
+ cd /tmp/katalon_execute/workspace
+ xvfb-run -s '-screen 0 1024x768x24' /opt/katalonstudio/katalon -runMode=console -reportFolder=/katalon/katalon/report -projectPath=/tmp/katalon_execute/project/myapp-katalon.prj
xvfb-run: error: Xvfb failed to start
+ ret_code=1
++ id -u
++ id -g
+ chown -R 0:0 /katalon/katalon/report
+ chmod -R 777 /katalon/katalon/report

[gilleta]

Still stuck with this, any idea @devalex88 ?
Best,
Alex

[devalex88]

Please try using port forwarding instead of host configuration.