I have setup an AEM as a Cloud Service project on local along with the Dispatcher. Initially, the dispatcher was working fine but after some days when I tried to start it again, it resulted in showing 502 Bad Gateway error. In terminal, there were messages like "Unable to connect to backend farm, no publish farms available". I tried reinstalling docker, dispatcher as well as publish instance but then also the error remained same. Is there a way to resolve this?
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@nikita24tailor Do you have any farms listed under this directory - dispatcher-cloud/src/conf.dispatcher.d/enabled_farms ?
One reason I can think of about the error is - symlinks must be failing. The actual farm files are placed under the available_farms, and symlinks are created to refer to them in enabled_farms. Please check the files under enabled_farms; if they're missing, create symlinks.
I have not done any changes in the configurations yet. Default ones are only being used.
I think the default farm configs come up with symlinks pointed to available_farms, so good to check the files under the /etc/httpd/conf.dispatcher.d/enabled_farms directory in your docker instance.
Enable Debug logging in dispatcher and restart the dispatcher, you should see the loaded farms in the log file.
Define DISP_LOG_LEVEL Debug
Agree with the suggestion previous colleagues have provided.
For me, on MacBook, symlinks sometimes get broken after checkout from Git.
Here is a bash script to recreate all symlinks. Hope it helps.
project_root=$(pwd)
cd dispatcher/src/conf.d/enabled_vhosts
enabled_hosts=$(ls *.vhost)
for host in $enabled_hosts; do
rm $host
ln -s ../available_vhosts/$host $host
done
cd $project_root
cd dispatcher/src/conf.dispatcher.d/enabled_farms
enabled_farms=$(ls *.farm)
for farm in $enabled_farms; do
rm $farm
ln -s ../available_farms/$farm $farm
done
Daniel
Did you try running validate script which comes with Dispatcher tools?
$ ./bin/validate.sh ./src
This script validates the Dispatcher configuration in the src folder and provides a convenient way of running the three phases of the validator plugin.
Regards,
Amber
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