Method startInternal

java/org/apache/catalina/session/ManagerBase.java:642–684

()

    @Override
    protected void startInternal() throws LifecycleException {

        // Ensure caches for timing stats are the right size by filling with
        // nulls.
        synchronized (sessionCreationTiming) {
            while (sessionCreationTiming.size() < TIMING_STATS_CACHE_SIZE) {
                sessionCreationTiming.add(null);
            }
        }
        synchronized (sessionExpirationTiming) {
            while (sessionExpirationTiming.size() < TIMING_STATS_CACHE_SIZE) {
                sessionExpirationTiming.add(null);
            }
        }

        /* Create sessionIdGenerator if not explicitly configured */
        SessionIdGenerator sessionIdGenerator = getSessionIdGenerator();
        if (sessionIdGenerator == null) {
            sessionIdGenerator = new StandardSessionIdGenerator();
            setSessionIdGenerator(sessionIdGenerator);
        }

        sessionIdGenerator.setJvmRoute(getJvmRoute());
        if (sessionIdGenerator instanceof SessionIdGeneratorBase sig) {
            sig.setSecureRandomAlgorithm(getSecureRandomAlgorithm());
            sig.setSecureRandomClass(getSecureRandomClass());
            sig.setSecureRandomProvider(getSecureRandomProvider());
        }

        if (sessionIdGenerator instanceof Lifecycle) {
            ((Lifecycle) sessionIdGenerator).start();
        } else {
            // Force initialization of the random number generator
            if (log.isTraceEnabled()) {
                log.trace("Force random number initialization starting");
            }
            sessionIdGenerator.generateSessionId();
            if (log.isTraceEnabled()) {
                log.trace("Force random number initialization completed");
            }
        }
    }


    @Override