Method threadStart

java/org/apache/catalina/core/ContainerBase.java:1078–1094

Start the background thread that will periodically check for session timeouts.

()

     * Start the background thread that will periodically check for session timeouts.
     */
    protected void threadStart() {
        if (backgroundProcessorDelay > 0 &&
                (getState().isAvailable() || LifecycleState.STARTING_PREP.equals(getState())) &&
                (backgroundProcessorFuture == null || backgroundProcessorFuture.isDone())) {
            if (backgroundProcessorFuture != null && backgroundProcessorFuture.isDone()) {
                // There was an error executing the scheduled task, get it and log it
                try {
                    backgroundProcessorFuture.get();
                } catch (InterruptedException | ExecutionException e) {
                    log.error(sm.getString("containerBase.backgroundProcess.error"), e);
                }
            }
            backgroundProcessorFuture = Container.getService(this).getServer().getUtilityExecutor()
                    .scheduleWithFixedDelay(new ContainerBackgroundProcessor(), backgroundProcessorDelay,
                            backgroundProcessorDelay, TimeUnit.SECONDS);
        }
    }


    /**