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2.2.4.4. Malfunctions of the CAE

A Failure in the CAE directly affects web page generation with JSPs. This applies to non cacheable content as well as cacheable content generated for the first time.

CAE Failure
Error behavior Requests which were active at the time of failure are canceled. Later requests are refused. In both cases a browser displays an error page.
Error correction In the cluster system, the load balancer must remove the failed CAE from its list of active web servers.

Table 2.6. CAE failure


CAE Deadlock
Error behavior Request are blocked and a browser displays an error.
Error correction The watchdog of the CAE detects the error and restarts the CAE (see the watchdog log).

Table 2.7. CAE deadlock