Migration from 2.11 to v3.0

  • Update Java version 1.8 to version 11
  • Update Tomcat 8.x to Tomcat 9.x (keep the invoice.properties configuration file in %TOMCAT_HOME)
  • Stop Tomcat and replace the WAR
  • Replace the invoice.war archive at $TOMCAT_HOME/webapps
  • Start Tomcat again

 

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