I have downloaded exercise system of virtual machine from pdn of 7.2 version.I imported it into my virtual box and started to hit server url from browser but I'm seeing error as "503 Service Unavailable".
When I hit "service tomcat start" in putty its showing as
Using CATALINA_BASE: /opt/tomcat
Using CATALINA_HOME: /opt/tomcat
Using CATALINA_TMPDIR: /opt/tomcat/temp
Using JRE_HOME: /usr/java/latest
Using CLASSPATH: /opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar
immediately when i hit command as "service tomcat status" its showing as