我正在apache web服务器后面运行Apache Tomcat + mod_jk 1.2.40。
从tomcat启动以来，一切都已经设置并正常工作了一段时间（可测量天/星期）。 然后发生什么事情，mod_jk失去与tomcat的连接。
除了发生的事情（实际上我不知道发生了什么，我正在排除故障），我正在寻找一些关于jk和tomcat之间的连接丢失的原因的支持。 下面是连接失败问题周围的部分mod_jk日志：
[Wed Dec 10 09:28:21 2014] [26331:140365639858112] [info] init_jk::mod_jk.c (3383): mod_jk/1.2.40 initialized [Wed Dec 10 09:28:37 2014] [12546:140365639858112] [info] ajp_send_request::jk_ajp_common.c (1652): (workerName) all endpoints are disconnected, detected by connect check (1), cping (0), send (0) ... [Wed Dec 10 09:28:49 2014] [26331:140365639858112] [info] init_jk::mod_jk.c (3383): mod_jk/1.2.40 initialized [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [info] jk_open_socket::jk_connect.c (758): connect to 127.0.0.1:8071 failed (errno=111) [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [info] ajp_connect_to_endpoint::jk_ajp_common.c (1019): Failed opening socket to (127.0.0.1:8071) (errno=111) [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [error] ajp_send_request::jk_ajp_common.c (1663): (workerName) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111) [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [info] ajp_service::jk_ajp_common.c (2673): (workerName) sending request to tomcat failed (recoverable), because of error during request sending (attempt=1) [Wed Dec 10 09:29:02 2014] [13626:140365639858112] [info] jk_open_socket::jk_connect.c (758): connect to 127.0.0.1:8071 failed (errno=111) [Wed Dec 10 09:29:02 2014] [13626:140365639858112] [info] ajp_connect_to_endpoint::jk_ajp_common.c (1019): Failed opening socket to (127.0.0.1:8071) (errno=111) [Wed Dec 10 09:29:02 2014] [13626:140365639858112] [error] ajp_send_request::jk_ajp_common.c (1663): (workerName) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111) [Wed Dec 10 09:29:02 2014] [13626:140365639858112] [info] ajp_service::jk_ajp_common.c (2673): (workerName) sending request to tomcat failed (recoverable), because of error during request sending (attempt=1) [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [info] jk_open_socket::jk_connect.c (758): connect to 127.0.0.1:8071 failed (errno=111) [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [info] ajp_connect_to_endpoint::jk_ajp_common.c (1019): Failed opening socket to (127.0.0.1:8071) (errno=111) [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [error] ajp_send_request::jk_ajp_common.c (1663): (workerName) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=111) [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [info] ajp_service::jk_ajp_common.c (2673): (workerName) sending request to tomcat failed (recoverable), because of error during request sending (attempt=2) [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [error] ajp_service::jk_ajp_common.c (2693): (workerName) connecting to tomcat failed. [Wed Dec 10 09:29:02 2014] [13683:140365639858112] [info] jk_handler::mod_jk.c (2806): Service error=-3 for worker=workerName 我认为“mod_jk / 1.2.40初始化”意味着mod_jk正在启动：如果我重新启动tomcat，一切工作正常再次天/星期。
你能给我一些build议吗？ 谢谢