You need allow ip based access for tomcat in server.xml, by default its disabled.
Open server.xml search for ”
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
URIEncoding="UTF-8"
redirectPort="8443" />
Here add a new attribute useIPVHosts=”true” so it looks like this,
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
URIEncoding="UTF-8"
redirectPort="8443"
useIPVHosts="true" />
Now restart tomcat, it should work