Hi Espen,
which JVM are you running this with and is the npn jar in the bootclasspath?
Have you tried setting org.eclipse.jetty.spdy to debug loglevel and
checked the output?
Cheers,
Thomas
Am 9/6/13 9:59 AM, schrieb Espen A. Fossen:
Hi
Have been toying around with SPDYClient to make a simple spdy based call
to a public Google REST API. The code is based upon examples found in
http://wiki.eclipse.org/Jetty/Feature/SPDY and
SSLExternalServerTest.java (spdy-http-server).
The code runs just fine in a main() method, but when trying the same
code wrapped in a simple Servlet, StreamFrameListenere.onData() is never
called:
@WebServlet(urlPatterns = {"/rest"})
public class SPDYBasedRestCallServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private SPDYClient client;
@Override
public void init() throws ServletException {
QueuedThreadPool threadPool = new QueuedThreadPool();
SslContextFactory sslContextFactory = new SslContextFactory();
sslContextFactory.setIncludeProtocols("TLSv1");
sslContextFactory.setEndpointIdentificationAlgorithm("");
SPDYClient.Factory clientFactory = new
SPDYClient.Factory(threadPool, null, sslContextFactory, 30000);
try {
clientFactory.start();
} catch (Exception e) {
throw new ServletException(e);
}
client = clientFactory.newSPDYClient(SPDY.V3);
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse
response) throws IOException {
final PrintWriter out = response.getWriter();
response.setContentType("text/html;charset=UTF-8");
StreamFrameListener streamListener = new
StreamFrameListener.Adapter()
{
public void onData(Stream stream, DataInfo dataInfo)
{
// Data received from server
String content = dataInfo.asString("UTF-8", true);
out.append(content);
}
};
try {
Session session = client.connect(new
InetSocketAddress("www.googleapis.com", 443), null).get(5,
TimeUnit.SECONDS);
Fields headers = new Fields();
headers.put(HTTPSPDYHeader.SCHEME.name(SPDY.V3), "https");
headers.put(HTTPSPDYHeader.HOST.name(SPDY.V3),
"www.googleapis.com" + ":" + "443");
headers.put(HTTPSPDYHeader.METHOD.name(SPDY.V3), "GET");
headers.put(HTTPSPDYHeader.URI.name(SPDY.V3),
"/urlshortener/v1/url?shortUrl=http://goo.gl/fbsS";);
headers.put(HTTPSPDYHeader.VERSION.name(SPDY.V3), "HTTP/1.1");
// Start a new session, and configure the stream listener
session.syn(new SynInfo(headers, true), streamListener);
} catch (ExecutionException | InterruptedException |
TimeoutException e) {
e.printStackTrace();
}
}
}
The servlet return a page, but a TimeoutException is thrown in the logs,
which I guess is because the StreamFrameListenere.onData() is never called.
java.util.concurrent.TimeoutException
at org.eclipse.jetty.util.FuturePromise.get(FuturePromise.java:130)
at
com.test.SPDYBasedRestCallServlet.doGet(SPDYBasedRestCallServlet.java:65)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
at
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:698)
at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:505)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:138)
at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:564)
at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:213)
at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1096)
at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:432)
at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:175)
at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1030)
at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:136)
at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:201)
at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109)
at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:445)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:268)
at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:229)
at
org.eclipse.jetty.io.AbstractConnection$ReadCallback.run(AbstractConnection.java:358)
at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:601)
at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:532)
at java.lang.Thread.run(Thread.java:724)
While the webapp runs using jetty-maven-plugin:run (9.0.5.v20130815),
both the main method test and webapp shares the same dependencies to:
* org.eclipse.jetty:jetty-server:9.0.5.v20130815
* org.eclipse.jetty.spdy:spdy-core:9.0.5.v20130815
* org.eclipse.jetty.spdy:spdy-client:9.0.5.v20130815
* org.eclipse.jetty.spdy:spdy-http-server:9.0.5.v20130815
* org.eclipse.jetty.npn:npn-api:1.1.0.v20120525
Any help would be appreciated.
Regards,
Espen
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