solving xdb problem
1).goto C:\apache tomcat 8.0.5\conf
2)you will find server.xml Right click on it and open with text editor
3) after scrolling page you will find this lines [line no 68]
<Connector port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
4) rename port name from 8080 to 8081 and in browser type
http://localhost:8081/
<Connector port="8081" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />