Some other application(like oracle) is using the same port number. So you should change the tomcat port number in apachetomcat/conf/server.xml
Privious--->
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
Updated ---->
<Connector port="8088" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />