Foreman » Installer

Error looks like the following:

2023-02-09T20:45:11 [E|app|145c56aa] Error occurred while starting Katello::CandlepinEventListener
2023-02-09T20:45:11 [E|app|145c56aa] SSL_write
2023-02-09T20:45:11 [E|app|145c56aa] /usr/share/ruby/openssl/buffering.rb:322:in `syswrite'
145c56aa | /usr/share/ruby/openssl/buffering.rb:322:in `do_write'
145c56aa | /usr/share/ruby/openssl/buffering.rb:409:in `puts'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/connection/netio.rb:309:in `_wire_write'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/connection/netio.rb:262:in `block (2 levels) in _transmit'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/connection/netio.rb:256:in `each'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/connection/netio.rb:256:in `block in _transmit'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/connection/netio.rb:236:in `synchronize'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/connection/netio.rb:236:in `_transmit'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/connection/netio.rb:208:in `transmit'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/stomp/connection.rb:371:in `subscribe'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/stomp/client.rb:190:in `subscribe'
145c56aa | /home/vagrant/katello/app/lib/katello/messaging/stomp_connection.rb:43:in `subscribe'
145c56aa | /home/vagrant/katello/app/services/katello/candlepin_event_listener.rb:34:in `run'
145c56aa | /home/vagrant/katello/app/lib/katello/event_daemon/monitor.rb:40:in `block in check_services'
145c56aa | /home/vagrant/katello/app/lib/katello/event_daemon/monitor.rb:30:in `each'
145c56aa | /home/vagrant/katello/app/lib/katello/event_daemon/monitor.rb:30:in `check_services'
145c56aa | /home/vagrant/katello/app/lib/katello/event_daemon/monitor.rb:16:in `block (2 levels) in start'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/activesupport-6.1.7.2/lib/active_support/execution_wrapper.rb:91:in `wrap'
145c56aa | /home/vagrant/katello/app/lib/katello/event_daemon/monitor.rb:15:in `block in start'
145c56aa | /home/vagrant/katello/app/lib/katello/event_daemon/monitor.rb:14:in `loop'
145c56aa | /home/vagrant/katello/app/lib/katello/event_daemon/monitor.rb:14:in `start'
145c56aa | /home/vagrant/katello/app/lib/katello/event_daemon/runner.rb:81:in `block in start_monitor_thread'
145c56aa | /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/logging-2.3.1/lib/logging/diagnostic_context.rb:474:in `block in create_with_logging_context'
warning: broker sent EOF, and connection not reliable
#<Thread:0x000055dd483fe230 /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/logging-2.3.1/lib/logging/diagnostic_context.rb:471 run> terminated with exception (report_on_exception is true):
Traceback (most recent call last):
3: from /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/logging-2.3.1/lib/logging/diagnostic_context.rb:474:in `block in create_with_logging_context'
2: from /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/client/utils.rb:194:in `block in start_listeners'
1: from /home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/client/utils.rb:194:in `loop'
/home/vagrant/foreman/.vendor/ruby/2.7.0/gems/stomp-1.4.10/lib/client/utils.rb:198:in `block (2 levels) in start_listeners': Received message is nil, and connection not reliable (Stomp::Error::NilMessageError)

It also causes Ping to fail.