在tomcat上运行的Java应用程序。 无法通过ajp访问。

Question

Application is accessible over tomcat http port. Application when accessed from web server(Apache http server) gives bad gateway error. worker.properties(apache http server) & server.xml(tomcat) are tuned well. Socket/connection timeout is 20 sec on both sides.

Jk.log shows below error. enter image description here

The error says tomcat is not accepting any connections. But how come at the same time, application is accessible over http.

On tomcat side I dont see any errors in the log.

Answer 1

You use different ports for HTTP connection (default is 8080) and for AJP connection (default is 8009). You can check exact values in conf/server.xml .

Your error indicates that there are some problems between httpd and client (firewall, slow connection etc.). Try to remove timeouts, like worker.ajp13.socket_timeout=3 . ( https://tomcat.apache.org/connectors-doc/common_howto/timeouts.html )

Make sure that ports are not blocked by possible firewalls. For Ubuntu, UFW (Uncomplicated Firewall) could be used to open AJP connections: ufw enable && ufw allow 8009 .