In the order to intergrate the above mentioned applications ,i used...com.sysdeo.eclipse.tomcat_3.1.0.beta plugin...i add this plugin to the /Plugin folder ...i got the tomcat server icons in the eclipse also i have also set Tomcat home to: Tomcatjakarta-tomcat-5.0.30-srcjakarta-tomcat- catalinacatalinasrc.....in the windows preference But...while starting the server i always get the error in the console java.lang.NoClassDefFoundError: org/apache/catalina/startup/Bootstrap Exception in thread "main" Please help me to intergrate eclipse 3.1 and tomcat.. Excepting favorable replies from the experts    More>>