TomEE on Docker

Tue, 21 Jul 2020 02:43:58 -0700

I had set-up TomEE (8.0.1) in Docker and Apache2 with mod_jk and it worked. After a crash I lost all configurations. After re-installing Linux (Mint 20) I re-created the TomEE 8.0.2 container (from tomitribe on github with 11-jre but the 8-jre has the same problem) and configured Apache2 (2.4.41) with the mod_jk (1.2.46-1).
I created the container (as before) with docker run -it --name tomee -p 8109:8009 -p 8180:8080 -p 8543:8443 -e TZ=Europe/Brussels -v /srv/local/tomee:/srv/local/tomee tomee-8.0.2 


When I access the applications through the TomEE port I get the reply 
but when I go through Apache2 I get a "502 Bad Gateway The proxy server 
received an invalid response from an upstream server". In the mod_jk.log 
I find:



[Fri Jul 17 11:09:27.272 2020] [1075:140607154546432] [debug] 
ajp_get_endpoint::jk_ajp_common.c (3357): (ajp13_worker) acquired 
connection pool slot=0 after 0 retries
[Fri Jul 17 11:09:27.272 2020] [1075:140607154546432] [debug] 
ajp_marshal_into_msgb::jk_ajp_common.c (681): (ajp13_worker) ajp 
marshaling done
[Fri Jul 17 11:09:27.272 2020] [1075:140607154546432] [debug] 
ajp_service::jk_ajp_common.c (2588): processing ajp13_worker with 2 retries
[Fri Jul 17 11:09:27.272 2020] [1075:140607154546432] [debug] 
ajp_send_request::jk_ajp_common.c (1719): (ajp13_worker) no usable 
connection found, will create a new one.
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [debug] 
jk_open_socket::jk_connect.c (674): socket TCP_NODELAY set to On
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [debug] 
jk_open_socket::jk_connect.c (798): trying to connect socket 17 to 
127.0.0.1:8109
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [debug] 
jk_open_socket::jk_connect.c (824): socket 17 [127.0.0.1:44262 -> 
127.0.0.1:8109] connected
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [debug] 
ajp_connection_tcp_send_message::jk_ajp_common.c (1264): sending to 
ajp13 pos=4 len=462 max=8192
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [debug] 
ajp_send_request::jk_ajp_common.c (1779): (ajp13_worker) request body to 
send 0 - request body to resend 0
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [debug] 
jk_shutdown_socket::jk_connect.c (931): About to shutdown socket 17 
[errno=107]
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [debug] 
jk_shutdown_socket::jk_connect.c (940): Failed sending SHUT_WR for 
socket 17 [errno=107]
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [info] 
ajp_connection_tcp_get_message::jk_ajp_common.c (1347): (ajp13_worker) 
can't receive the response header message from tomcat, network problems 
or tomcat (127.0.0.1:8109) is down (errno=104)
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [debug] 
ajp_abort_endpoint::jk_ajp_common.c (818): (ajp13_worker) aborting 
endpoint with socket 17
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [error] 
ajp_get_reply::jk_ajp_common.c (2256): (ajp13_worker) Tomcat is down or 
refused connection. No response has been sent to the client (yet)
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [info] 
ajp_service::jk_ajp_common.c (2775): (ajp13_worker) sending request to 
tomcat failed (recoverable),  (attempt=1)
[Fri Jul 17 11:09:27.273 2020] [1075:140607154546432] [debug] 
ajp_service::jk_ajp_common.c (2624): (ajp13_worker) retry 1, sleeping 
for 100 ms before retrying



I only commented out the AJP 1.3 connector part from the server.xml 
without changing. I changed the port in workers.properties to 8109.



On the internet I found old problems but these should have been solved 
in the version that I use. Did anybody had this problem and solved it?
























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