@PreDestroy
public void shutdown() throws Exception {
timer.cancel();
for (int i = 0; i < serverConfig.getEIPBindRebindRetries(); i++) {
try {
unbindEIP();
break;
} catch (Exception e) {
logger.warn("Cannot unbind the EIP from the instance");
Thread.sleep(1000);
}
}
}
/**
* Handles EIP binding process in AWS Cloud.
*
* @throws InterruptedException
*/
private void handleEIPBinding() throws InterruptedException {
int retries = serverConfig.getEIPBindRebindRetries();
// Bind to EIP if needed
for (int i = 0; i < retries; i++) {
try {
if (isEIPBound()) {
break;
} else {
bindEIP();
}
} catch (Throwable e) {
logger.error("Cannot bind to EIP", e);
Thread.sleep(EIP_BIND_SLEEP_TIME_MS);
}
}
// Schedule a timer which periodically checks for EIP binding.
timer.schedule(new EIPBindingTask(), serverConfig.getEIPBindingRetryIntervalMsWhenUnbound());
}
