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Re: [jetty-users] Jetty HTTP/2 server talks with HTTP/1 client?
Hi,
Sorry for the late reply.

Please allow me to describe more clearly.

1. When my Jetty 9.3.5 server started, the below logs were shown,
2016-03-31 15:55:07.476:INFO:oejs.ServerConnector:main: Started ServerConnector@10d59286{HTTP/1.1,[http/1.1, h2c, h2c-17, h2c-16, h2c-15, h2c-14]}{0.0.0.0:8080}
2016-03-31 15:55:08.699:INFO:oejus.SslContextFactory:main: x509=X509@5123a213(1,h=[sc11136070.us.oracle.com],w=[]) for SslContextFactory@52525845(...)
2016-03-31 15:55:12.725:INFO:oejs.ServerConnector:main: Started ServerConnector@4be242d9{SSL,[ssl, alpn, h2, h2-17, h2-16, h2-15, h2-14, http/1.1]}{0.0.0.0:8081}
2016-03-31 15:55:12.726:INFO:oejs.Server:main: Started @23362ms

I think it means that the server supports HTTP/2 with/without TLS. Right?

2. I used the following test codes,
public void testHttp() throws Exception, InterruptedException,
        ExecutionException, TimeoutException {
    String url = "" href="https://localhost:8081">https://localhost:8081";
    HttpClient client = new HttpClient(sslContextFactory); // This SSL setup has no problem.
    client.start();
    HttpRequest request = (HttpRequest) client.newRequest(url);
    System.out.println(request);
    ContentResponse response = request.send();
    System.out.println(response.getStatus());
    client.stop();
}

And I got the below output:
2016-03-31 16:31:55.450:INFO::main: Logging initialized @522ms
HttpRequest[GET  HTTP/1.1]@64bfbc86
2016-03-31 16:31:57.556:WARN:oejh.HttpParser:HttpClient@32374789-14: Illegal character 0x0 in state=START for buffer DirectByteBuffer@5684296a[p=1,l=32,c=16384,r=31]={\x00<<<\x00\x17\x07\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01invalid_preface>>>\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00...\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00}
2016-03-31 16:31:57.557:WARN:oejh.HttpParser:HttpClient@32374789-14: bad HTTP parsed: 400 Illegal character 0x0 for HttpReceiverOverHTTP@1e0934bd(rsp=IDLE,failure=null)[HttpParser{s=START,0 of 0}]
Exception in thread "main" java.util.concurrent.ExecutionException: org.eclipse.jetty.client.HttpResponseException: HTTP protocol violation: bad response on HttpConnectionOverHTTP@53cf69a8(l:/127.0.0.1:62179 <-> r:localhost/127.0.0.1:8081,closed=false)[HttpChannelOverHTTP@51de0582(exchange=HttpExchange@32b0a780 req=TERMINATED/null@null res=PENDING/null@null)[send=HttpSenderOverHTTP@654bd1b7(req=QUEUED,snd=COMPLETED,failure=null)[HttpGenerator@4d61769f{s=START}],recv=HttpReceiverOverHTTP@1e0934bd(rsp=IDLE,failure=null)[HttpParser{s=CLOSE,0 of 0}]]]
    at org.eclipse.jetty.client.util.FutureResponseListener.getResult(FutureResponseListener.java:118)
    at org.eclipse.jetty.client.util.FutureResponseListener.get(FutureResponseListener.java:101)
    at org.eclipse.jetty.client.HttpRequest.send(HttpRequest.java:653)
    at JettyClientTest.testHttp(JettyClientTest.java:44)
    at JettyClientTest.main(JettyClientTest.java:105)
Caused by: org.eclipse.jetty.client.HttpResponseException: HTTP protocol violation: bad response on HttpConnectionOverHTTP@53cf69a8(l:/127.0.0.1:62179 <-> r:localhost/127.0.0.1:8081,closed=false)[HttpChannelOverHTTP@51de0582(exchange=HttpExchange@32b0a780 req=TERMINATED/null@null res=PENDING/null@null)[send=HttpSenderOverHTTP@654bd1b7(req=QUEUED,snd=COMPLETED,failure=null)[HttpGenerator@4d61769f{s=START}],recv=HttpReceiverOverHTTP@1e0934bd(rsp=IDLE,failure=null)[HttpParser{s=CLOSE,0 of 0}]]]
    at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.badMessage(HttpReceiverOverHTTP.java:285)
    at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:1288)
    at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.parse(HttpReceiverOverHTTP.java:156)
    at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.process(HttpReceiverOverHTTP.java:117)
    at org.eclipse.jetty.client.http.HttpReceiverOverHTTP.receive(HttpReceiverOverHTTP.java:69)
    at org.eclipse.jetty.client.http.HttpChannelOverHTTP.receive(HttpChannelOverHTTP.java:90)
    at org.eclipse.jetty.client.http.HttpConnectionOverHTTP.onFillable(HttpConnectionOverHTTP.java:112)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:261)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
    at org.eclipse.jetty.io.ssl.SslConnection.onFillable(SslConnection.java:192)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:261)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:95)
    at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:75)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceAndRun(ExecuteProduceConsume.java:213)
    at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:147)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:654)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:572)
    at java.lang.Thread.run(Thread.java:745)

3. If just access HTTP, namely using url = "" href="http://localhost:8080">http://localhost:8080", the output is 200, which is normal.

2016-02-11 16:26 GMT+08:00 Simone Bordet <sbordet@xxxxxxxxxxx>:
Hi,

On Mon, Feb 8, 2016 at 1:41 PM, John Jiang <john.sha.jiang@xxxxxxxxx> wrote:
> Hi Simone,
>
> 2016-02-07 18:43 GMT+08:00 Simone Bordet <sbordet@xxxxxxxxxxx>:
>>
>> Hi,
>>
>> On Fri, Feb 5, 2016 at 6:30 AM, John Jiang <john.sha.jiang@xxxxxxxxx>
>> wrote:
>> > Hi guys,
>> > It seems that Jetty HTTP/2 server cannot be connected via its HTTP/1
>> > client
>> > (org.eclipse.jetty.client.HttpClient).
>> > The error likes: Illegal character 0x0 in state=START for buffer...
>>
>> If you get this error, you are not using a HTTP/1.1 client to connect
>> to the server, but a HTTP/2 client.
>
> The following is my test method,
> public void tes() throws Exception, InterruptedException,
>             ExecutionException, TimeoutException {
>     SslContextFactory sslContextFactory = new SslContextFactory();
>     sslContextFactory.setSslContext(...);
>     String url = ""> >     HttpClient client = new HttpClient(sslContextFactory);
>     client.start();
>     HttpRequest request = (HttpRequest) client.newRequest(url);
>     System.out.println(request);
>     ContentResponse response = request.send();
>     System.out.println(response.getStatus());
>     client.stop();
> }
>
> I think I'm using HTTP/1.1 client.

Lots of stuff omitted, but you are using HTTP/1.1.
Does this request hit Jetty or does it hit Apache ?
Are you sure that the TLS setup is ok ?
We have many tests in the Jetty test suite that are setup in the same
way, and they work fine, so if you can post both client and server
full code will be easier to help you.

--
Simone Bordet
----
http://cometd.org
http://webtide.com
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from the Jetty & CometD experts.
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