Tomcat does not start

Hi ! I'm working with a cluster application and I want to use session replication. Here is my server.xml :                                                                           

Cluster session replication problems

Hi ! I'm working with a cluster application using Tomcat-6.0.14 and I want to make session replication using useDirtyFlag=false in server.xml file (session replication to be made even the setAttribute method is not called). My cluster class name is org.apache.catalina.ha.tcp.SimpleTcpCluster. W