i wanna use tomcat for my jsp pages . but there is a problem .
when i use the combination of tomcat5.0 and jdk1.4 and run catalina the
following error come:


java.lang.reflect.invocationtargetexception

and when i use the combination of tomcat4.1 and jdk1.3 , i find this error:

java.land.NoClassDefFoundException

(i have done everything to setup tomcat correctly according to online
tutorial)
needing help regarding this ....