Forum of Apache users

[biswadarshi]

We are facing constant & random issue of Server temporarily Unavailabe and in the mod_jk log file I see the following error:

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[Fri Aug 20 13:47:23 2010] [9078:1] [error] ajp_connect_to_endpoint::jk_ajp_common.c (957): (ajp13) cping/cpong after connecting to the backend server failed (errno=145)
[Fri Aug 20 13:47:23 2010] [9078:1] [error] ajp_send_request::jk_ajp_common.c (1507): (ajp13) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=145)
[Fri Aug 20 13:47:23 2010] [9118:1] [error] ajp_connect_to_endpoint::jk_ajp_common.c (957): (ajp13) cping/cpong after connecting to the backend server failed (errno=145)
[Fri Aug 20 13:47:23 2010] [9118:1] [error] ajp_send_request::jk_ajp_common.c (1507): (ajp13) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=145)
[Fri Aug 20 13:47:26 2010] [9078:1] [error] ajp_connect_to_endpoint::jk_ajp_common.c (957): (ajp13) cping/cpong after connecting to the backend server failed (errno=145)
[Fri Aug 20 13:47:26 2010] [9078:1] [error] ajp_send_request::jk_ajp_common.c (1507): (ajp13) connecting to backend failed. Tomcat is probably not started or is listening on the wrong port (errno=145)
[Fri Aug 20 13:47:26 2010] [9078:1] [error] ajp_service::jk_ajp_common.c (2466): (ajp13) connecting to tomcat failed.
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Please guide us in resolving this issue.