/**
* Checks the request for any session. If there is a session created we make sure that the server
* returned is the one the issued the session. If no session is included in the request we will
* choose the next server in a round-robin fashion.
*
* @see net.sf.j2ep.model.ServerContainer#getServer(javax.servlet.http.HttpServletRequest)
*/
public Server getServer(HttpServletRequest request) {
String serverId = getServerIdFromCookie(request.getCookies());
ClusteredServer server = (ClusteredServer) servers.get(serverId);
if (server == null || !server.online()) {
server = getNextServer();
} else {
log.debug("Server found in session");
}
if (server.online()) {
log.debug("Using id " + server.getServerId() + " for this request");
} else {
log.error(
"All the servers in this cluster are offline. Using id "
+ server.getServerId()
+ ", will probably not work");
}
return server;
}
