That's a weird one. Roller should work fine on Tomcat 5, 5.5 and 6. Which version of Roller are you upgrading to?
One idea: stop Tomcat, delete the Tomcat work directory, then restart Tomcat. - Dave On Thu, Mar 4, 2010 at 7:07 AM, Emmanouil Batsis (Manos) <[email protected]> wrote: > Using Apache Tomcat/5.5.25 on Java 1.5. Tried Linux and mac. > > After upgrading the tables, I get a NullPointerException and a > > ERROR 2010-03-04 13:58:31,493 ApplicationDispatcher:invoke - > Servlet.service() for servlet jsp threw exception > java.lang.NoClassDefFoundError: javax/el/ELException > at java.lang.Class.getDeclaredMethods0(Native Method) > at java.lang.Class.privateGetDeclaredMethods(Class.java:2395)
