Hello,
I am developing a web application I used to work with
Tomcat 5.5. Recently I tried to upgrade to Tomcat 6 and during startup following error msg appears:
NFO: Starting
Servlet Engine: Apache Tomcat/6.0.20
29.06.2010 14:44:52 org.apache.tomcat.util.digester.Digester startElement
SCHWERWIEGEND: Begin event threw error
java.lang.NoClassDefFoundError: org/apache/catalina/session/StandardManager
at java.lang.ClassLoader.findBootstrapClass(Native Method)
at java.lang.ClassLoader.findBootstrapClass0(ClassLoader.java:892)
at java.lang.ClassLoader.loadClass(ClassLoader.java:302)
at java.lang.ClassLoader.loadClass(ClassLoader.java:300)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:300)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at org.apache.tomcat.util.digester.ObjectCreateRule.begin(ObjectCreateRule.java:205)
at org.apache.tomcat.util.digester.Rule.begin(Rule.java:153)
Any clue what the reason for this could be?
Thanks in advance