먼저, Tomcat 설치 경로에 lib 경로에 들어 가서,
> cd %catalina_home%\lib
버전을 확인한다.
> java -cp catalina.jar org.apache.catalina.util.ServerInfo
Server version: Apache Tomcat/7.0.82
Server built: Sep 29 2017 12:23:15 UTC
Server number: 7.0.82.0
OS Name: Windows Server 2008 R2
OS Version: 6.1
Architecture: amd64
JVM Version: 1.7.0_21-b11
JVM Vendor: Oracle Corporation