Erros ao iniciar um projeto tomcat com o plugin sysdeo?

Front-end
#1

Galera explica oque sao esses erros que dao no eclipse quando eu tento gerar uma aplicao WEB Tomcat ? usando o sysdeo ?=!!!

Error The project was not built due to classpath errors (incomplete or involved in cycle). teste
Error Unbound classpath variable: ‘TOMCAT_HOME/common/lib/servlet.jar’. teste Build path
Error Unbound classpath variable: ‘TOMCAT_HOME/common/lib/servlet.jar’. teste Build path
Error Unbound classpath variable: ‘TOMCAT_HOME/common/lib/servlet.jar’. teste Build path
Error Unbound classpath variable: ‘TOMCAT_HOME/lib/jasper-runtime.jar’. teste Build path
Error Unbound classpath variable: ‘TOMCAT_HOME/lib/jasper-runtime.jar’. teste Build path
Error Unbound classpath variable: ‘TOMCAT_HOME/lib/jasper-runtime.jar’. teste Build path
Error Unbound classpath variable: ‘TOMCAT_HOME’. teste Build path
Error Unbound classpath variable: ‘TOMCAT_HOME’. teste Build path
Error Unbound classpath variable: ‘TOMCAT_HOME’. teste Build path

valew !!!

#2

tu esqueceu de configurar o plugin e informar para ele onde ta o teu tomcat

#3

configure em window -> preferences -> tomcat

#4