/** Stops Jetty. */
private void stopJetty() {
// Jetty does not really stop the server if port is busy.
try {
if (httpSrv != null) {
// If server was successfully started, deregister ports.
if (httpSrv.isStarted()) ctx.ports().deregisterPorts(getClass());
// Record current interrupted status of calling thread.
boolean interrupted = Thread.interrupted();
try {
httpSrv.stop();
} finally {
// Reset interrupted flag on calling thread.
if (interrupted) Thread.currentThread().interrupt();
}
}
} catch (InterruptedException ignored) {
if (log.isDebugEnabled()) log.debug("Thread has been interrupted.");
Thread.currentThread().interrupt();
} catch (Exception e) {
U.error(log, "Failed to stop Jetty HTTP server.", e);
}
}
/**
* Checks that the only connector configured for the current jetty instance and returns it.
*
* @return Connector instance.
* @throws GridException If no or more than one connectors found.
*/
private AbstractNetworkConnector getJettyConnector() throws GridException {
if (httpSrv.getConnectors().length == 1) {
Connector connector = httpSrv.getConnectors()[0];
if (!(connector instanceof AbstractNetworkConnector))
throw new GridException(
"Error in jetty configuration. Jetty connector should extend "
+ "AbstractNetworkConnector class.");
return (AbstractNetworkConnector) connector;
} else
throw new GridException(
"Error in jetty configuration [connectorsFound="
+ httpSrv.getConnectors().length
+ "connectorsExpected=1]");
}
/**
* @throws GridException If failed.
* @return {@code True} if Jetty started.
*/
@SuppressWarnings("IfMayBeConditional")
private boolean startJetty() throws GridException {
try {
httpSrv.start();
if (httpSrv.isStarted()) {
for (Connector con : httpSrv.getConnectors()) {
int connPort = ((NetworkConnector) con).getPort();
if (connPort > 0) ctx.ports().registerPort(connPort, TCP, getClass());
}
return true;
}
return false;
} catch (SocketException ignore) {
if (log.isDebugEnabled()) log.debug("Failed to bind HTTP server to configured port.");
stopJetty();
return false;
} catch (MultiException e) {
if (log.isDebugEnabled()) log.debug("Caught multi exception: " + e);
for (Object obj : e.getThrowables())
if (!(obj instanceof SocketException))
throw new GridException("Failed to start Jetty HTTP server.", e);
if (log.isDebugEnabled()) log.debug("Failed to bind HTTP server to configured port.");
stopJetty();
return false;
} catch (Exception e) {
throw new GridException("Failed to start Jetty HTTP server.", e);
}
}
/**
* Loads jetty configuration from the given URL.
*
* @param cfgUrl URL to load configuration from.
* @throws GridException if load failed.
*/
private void loadJettyConfiguration(@Nullable URL cfgUrl) throws GridException {
if (cfgUrl == null) {
HttpConfiguration httpCfg = new HttpConfiguration();
httpCfg.setSecureScheme("https");
httpCfg.setSecurePort(8443);
httpCfg.setSendServerVersion(true);
httpCfg.setSendDateHeader(true);
String srvPortStr = System.getProperty(GG_JETTY_PORT, "8080");
int srvPort;
try {
srvPort = Integer.valueOf(srvPortStr);
} catch (NumberFormatException ignore) {
throw new GridException(
"Failed to start Jetty server because GRIDGAIN_JETTY_PORT system property "
+ "cannot be cast to integer: "
+ srvPortStr);
}
httpSrv = new Server(new QueuedThreadPool(20, 200));
ServerConnector srvConn = new ServerConnector(httpSrv, new HttpConnectionFactory(httpCfg));
srvConn.setHost(System.getProperty(GG_JETTY_HOST, "localhost"));
srvConn.setPort(srvPort);
srvConn.setIdleTimeout(30000L);
srvConn.setReuseAddress(true);
httpSrv.addConnector(srvConn);
httpSrv.setStopAtShutdown(false);
} else {
XmlConfiguration cfg;
try {
cfg = new XmlConfiguration(cfgUrl);
} catch (FileNotFoundException e) {
throw new GridSpiException("Failed to find configuration file: " + cfgUrl, e);
} catch (SAXException e) {
throw new GridSpiException("Failed to parse configuration file: " + cfgUrl, e);
} catch (IOException e) {
throw new GridSpiException("Failed to load configuration file: " + cfgUrl, e);
} catch (Exception e) {
throw new GridSpiException(
"Failed to start HTTP server with configuration file: " + cfgUrl, e);
}
try {
httpSrv = (Server) cfg.configure();
} catch (Exception e) {
throw new GridException("Failed to start Jetty HTTP server.", e);
}
}
assert httpSrv != null;
httpSrv.setHandler(jettyHnd);
override(getJettyConnector());
}