Error Message
25-Sep-2017 14:26:43.238 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8080"]
25-Sep-2017 14:26:43.288 SEVERE [main] org.apache.coyote.AbstractProtocol.init Failed to initialize end point associated with ProtocolHandler ["http-nio-8080"] java.net.BindException: Address already in use at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:433)
at sun.nio.ch.Net.bind(Net.java:425)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
Cause
Tomcat has not stopped properly (usually through shutdown.sh in Linux) or another process is already using Tomcat port.
Workaround/Fix
Kill the Tomcat process:
Find the ps number using ps –ef|grep username
Kill the ps number
Startup Tomcat