Setting port Tomcat berada di file server.xml biasanya secara default berada di folder conf/
berikut contoh confignya :
<!-- Define a non-SSL HTTP/1.1 Connector on port 8180 -->
<Connector port="8080" maxHttpHeaderSize="8192"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" />
Lalu ubah menjadi :
<!-- Define a non-SSL HTTP/1.1 Connector on port 8180 -->
<Connector port="8181" maxHttpHeaderSize="8192"
maxThreads="150" minSpareThreads="25" maxSpareThreads="75"
enableLookups="false" redirectPort="8443" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" />
Dan kemudian restart catalina.sh