Thanks Simone. I will have a try later.
The error is because I just create many clients so the thread pool is filled 2015-09-21 15:42 GMT+08:00 Simone Bordet <[email protected]>: > Hi, > > On Mon, Sep 21, 2015 at 9:14 AM, Muhui Jiang <[email protected]> wrote: > > Hi, > > > > But before send request, we have do the things below. > > > > FuturePromise<Session> sessionPromise = new FuturePromise<>(); > > > > client.connect(sslContextFactory, new InetSocketAddress(host, > port), > > new ServerSessionListener.Adapter(), sessionPromise); > > > > Session session = sessionPromise.get(5, TimeUnit.SECONDS); > > > > HttpFields requestFields = new HttpFields(); > > > > requestFields.put("User-Agent", client.getClass().getName() + > "/" + > > Jetty.VERSION); > > > > MetaData.Request metaData = new MetaData.Request("GET", new > > HttpURI("https://"+host+":"+port+"/";), HttpVersion.HTTP_2, > requestFields); > > > > HeadersFrame headersFrame = new HeadersFrame(0, metaData, null, > > true); > > > > > > then we can make the request: > > > > session.new stream(.....) > > > > > > If I have a array contains 10000sites. for example websites[10000]; > > > > Which things should be done 10000 times? > > > > I have tried to start client once only. but I still failed. > > HTTP2Client is very low level if you want to do a web bot. > Does not do connection pooling, does not do async DNS lookup, etc. > > In any case, if you just have to send a single request for each > website, what you have to do is: > > for each website > client.connect() > client.newStream() > session.close() > end > > Each of those 3 operations is async, so you have to wait for each one > to complete (via callbacks) before issuing the next operation. > You can do them in parallel. > > The error: > > java.lang.OutOfMemoryError: unable to create new native thread > > is likely due to a misconfiguration of your OS or thread pool. > > -- > Simone Bordet > ---- > http://cometd.org > http://webtide.com > Developer advice, training, services and support > from the Jetty & CometD experts. > _______________________________________________ > jetty-users mailing list > [email protected] > To change your delivery options, retrieve your password, or unsubscribe > from this list, visit > https://dev.eclipse.org/mailman/listinfo/jetty-users >
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