protected void doStop() throws Exception
{
if (isDumpBeforeStop())
dumpStdErr();
MultiException mex=new MultiException();
// list if graceful futures
List<Future<Void>> futures = new ArrayList<>();
// First close the network connectors to stop accepting new connections
for (Connector connector : _connectors)
futures.add(connector.shutdown());
// Then tell the contexts that we are shutting down
Handler[] gracefuls = getChildHandlersByClass(Graceful.class);
for (Handler graceful : gracefuls)
futures.add(((Graceful)graceful).shutdown());
// Shall we gracefully wait for zero connections?
long stopTimeout = getStopTimeout();
if (stopTimeout>0)
{
long stop_by=System.currentTimeMillis()+stopTimeout;
if (LOG.isDebugEnabled())
LOG.debug("Graceful shutdown {} by ",this,new Date(stop_by));
// Wait for shutdowns
for (Future<Void> future: futures)
{
try
{
if (!future.isDone())
future.get(Math.max(1L,stop_by-System.currentTimeMillis()),TimeUnit.MILLISECONDS);
}
catch (Exception e)
{
mex.add(e);
}
}
}
// Cancel any shutdowns not done
for (Future<Void> future: futures)
if (!future.isDone())
future.cancel(true);
// Now stop the connectors (this will close existing connections)
for (Connector connector : _connectors)
{
try
{
connector.stop();
}
catch (Throwable e)
{
mex.add(e);
}
}
// And finally stop everything else
try
{
super.doStop();
}
catch (Throwable e)
{
mex.add(e);
}
if (getStopAtShutdown())
ShutdownThread.deregister(this);
//Unregister the Server with the handler thread for receiving
//remote stop commands as we are stopped already
ShutdownMonitor.deregister(this);
mex.ifExceptionThrow();
}