increase LimitRequestFieldSize

docker/apache-config

@@ -84,6 +84,9 @@ ServerName ${DJANGO_PRIMARY_FQDN}
   # Set X_FORWARDED_PROTO to https
   RequestHeader set X_FORWARDED_PROTO "https"
 
+  # Increase the max allowable header size:
+  LimitRequestFieldSize 16384
+
   # Set up mod_xsendfile for serving static event files as directed by Django
   XSendFile On
   XSendFilePath /app/db_data/

docker/supervisord-apache2.conf

@@ -6,7 +6,7 @@ redirect_stderr=true
 priority=3
 
 [program:gracedb]
-command=/usr/local/bin/gunicorn config.wsgi:application --reload --config /app/gracedb_project/config/gunicorn_config.py --error-logfile='-' --access-logfile='-'
+command=/usr/local/bin/gunicorn config.wsgi:application --limit-request-field_size 16384 --reload --config /app/gracedb_project/config/gunicorn_config.py --error-logfile='-' --access-logfile='-'
 directory=/app/gracedb_project
 user=gracedb
 group=www-data