Have installed tomcat tomcat-7.0.23 on AWS server, but the last tomcat server which I started gets down automatically. Have gone through similar question "tomcat on aws shuts down automatically", but didn't solve `my problem. Below are the lines from catalina.out file when it shuts down.
05-Jul-2017 18:13:30.823 INFO [Thread-6] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["http-bio-9580"]
05-Jul-2017 18:13:30.874 INFO [Thread-6] org.apache.coyote.AbstractProtocol.pause Pausing ProtocolHandler ["ajp-bio-9509"]
05-Jul-2017 18:13:30.924 INFO [Thread-6] org.apache.catalina.core.StandardService.stopInternal Stopping service Catalina
05-Jul-2017 18:13:30.930 SEVERE [pool-2-thread-2] org.apache.catalina.loader.WebappClassLoader.clearReferencesThreads The web application [/webcommon] appears to have started a thread named [Hikari Housekeeping Timer (pool HikariPool-2)] but has failed to stop it. This is very likely to create a memory leak.
05-Jul-2017 18:13:31.999 INFO [Thread-6] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["http-bio-9580"]
05-Jul-2017 18:13:32.000 INFO [Thread-6] org.apache.coyote.AbstractProtocol.stop Stopping ProtocolHandler ["ajp-bio-9509"]
05-Jul-2017 18:13:32.001 INFO [Thread-6] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["http-bio-9580"]
05-Jul-2017 18:13:32.002 INFO [Thread-6] org.apache.coyote.AbstractProtocol.destroy Destroying ProtocolHandler ["ajp-bio-9509"]
Any solution for the above problem?