which java version does tomcat use

Question

I have set the JAVA_HOME to C:\\Program Files\\Java\\jdk1.5.0_11
I have set the Classpath to C:\\Program Files\\Java\\jre1.5

Answer 1

I found this command helpful. From your tomcat install directory.

Linux

java -cp lib/catalina.jar org.apache.catalina.util.ServerInfo

Window

java.exe -cp lib\catalina.jar org.apache.catalina.util.ServerInfo

Sample output

Server version: SpringSource tc Runtime/2.0.4.RELEASE
Server built: August 3 2010 0710
Server number: 6.0.28.29
OS Name: Linux
OS Version: 2.6.18-194.11.1.el5
Architecture: i386
JVM Version: 1.6.0_21-b06
JVM Vendor: Sun Microsystems Inc.

Reference at https://confluence.atlassian.com/confkb/how-to-determine-your-version-of-tomcat-and-java-331914173.html