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[프로그래밍]/Apache & Tomcat

Centos 7 방화벽 문제 - 아파치 로드밸런싱 & 톰캣 클러스터링

by control+c 2016. 11. 15.
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[ERROR LOG]

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [info] service::jk_lb_worker.c (1647): Forcing recovery once for 2 workers

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [info] jk_open_socket::jk_connect.c (817): connect to 192.168.100.100:8109 failed (errno=111)

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [info] ajp_connect_to_endpoint::jk_ajp_common.c (1068): (web1) Failed opening socket to (192.168.100.100:8109) (errno=111)

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [error] ajp_send_request::jk_ajp_common.c (1728): (web1) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111)

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [info] ajp_service::jk_ajp_common.c (2773): (web1) sending request to tomcat failed (recoverable), because of error during request sending (attempt=1)

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [error] ajp_service::jk_ajp_common.c (2794): (web1) connecting to tomcat failed (rc=-3, errors=21, client_errors=2).

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [info] service::jk_lb_worker.c (1595): service failed, worker web1 is in error state

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [info] service::jk_lb_worker.c (1675): All tomcat instances are busy or in error state

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [error] service::jk_lb_worker.c (1680): All tomcat instances failed, no more workers left

[Tue Nov 15 10:53:06.582 2016] [10512:140002556106816] [info] jk_handler::mod_jk.c (2991): Service error=0 for worker=loadbalancer





[해결 방법]


해당 호스트와 포트로 텔넷 접속 시도

# telnet 192.168.100.100 8109


안붙으면 방화벽 확인 및 해제


Centos 7 방화벽 해제

# systemctl stop firewalld


Centos 7 리부팅시 방화벽 실행 안함

# systemctl disable firewalld


by. 조조나리

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