javax.servlet.ServletException org.apache.catalina.security.SecurityUtil.execute (SecurityUtil.java:294)
Solution:
Create 20servlets.policy:
nano -w /etc/tomcat5.5/policy.d/20servlets.policy
And add:
grant codeBase "file:${catalina.base}/webapps/-" {
permission java.security.AllPermission;
};
And restart Tomcat
/etc/init.d/tomcat5.5 restart