[undertow-dev] Enable HTTP/2 and get JDK9 ALPN not supported

Steve Hu stevehu at gmail.com
Wed Mar 22 20:07:57 EDT 2017


Hi Stuart,

I am trying to find an example or test case that uses http post for
HttpClient but couldn't find anything. The only information is the comment
of ClientRequest. Could you please provide an example on how to push body
in a post ClientRequest?

Thanks,

Steve

* This class only represents the HTTP header, it does not represent an
entity body. If the request needs an entity
* body then this must be specified by either setting a Content-Length
or Transfer-Encoding header, otherwise
* the client will assume that the body is empty.



On Wed, Mar 22, 2017 at 5:01 PM, Stuart Douglas <sdouglas at redhat.com> wrote:

> The issue is that it is reporting the wrong protocol in the response,
> I have fixed this upstream.
>
> Stuart
>
> On Thu, Mar 23, 2017 at 1:31 AM, Steve Hu <stevehu at gmail.com> wrote:
> > Hi Stuart,
> >
> > Thanks for the upgrade handler fix. I can clearly see the handler is
> > registered and handleRequest is called in a debug session. I also
> replaced
> > EMPTY option with OptionMap.create(UndertowOptions.ENABLE_HTTP2, true)
> when
> > opening client connection. The response protocol is still HTTP/1.1 for
> both
> > http and https requests. The following is the output from the console and
> > the syched/updated source code can be found
> > https://github.com/stevehu/undertow/blob/master/core/src/
> test/java/io/undertow/client/http/Http2ClientTestCase.java
> >
> > 10:16:43,804 INFO  (main) [org.xnio] <Xnio.java:99> XNIO version
> 3.3.6.Final
> > 10:16:43,829 INFO  (main) [org.xnio.nio] <NioXnio.java:55> XNIO NIO
> > Implementation Version 3.3.6.Final
> > 10:17:42,980 DEBUG (main) [io.undertow.request.io]
> <Http2Channel.java:753>
> > Sending goaway on channel Http2Channel peer localhost/127.0.0.1:7778
> local
> > /127.0.0.1:64696[ No Receiver [] -- [] -- []]:
> > java.nio.channels.ClosedChannelException
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:753)
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:744)
> > at
> > io.undertow.client.http2.Http2ClientConnection.close(
> Http2ClientConnection.java:312)
> > at org.xnio.IoUtils.safeClose(IoUtils.java:134)
> > at
> > io.undertow.client.http.Http2ClientTestCase.testHttpsConnectionClose(
> Http2ClientTestCase.java:245)
> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > HTTP/1.1
> > at
> > sun.reflect.NativeMethodAccessorImpl.invoke(
> NativeMethodAccessorImpl.java:62)
> > at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(
> DelegatingMethodAccessorImpl.java:43)
> > at java.lang.reflect.Method.invoke(Method.java:498)
> > at
> > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(
> FrameworkMethod.java:50)
> > at
> > org.junit.internal.runners.model.ReflectiveCallable.run(
> ReflectiveCallable.java:12)
> > at
> > org.junit.runners.model.FrameworkMethod.invokeExplosively(
> FrameworkMethod.java:47)
> > at
> > org.junit.internal.runners.statements.InvokeMethod.
> evaluate(InvokeMethod.java:17)
> > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> > at
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(
> BlockJUnit4ClassRunner.java:78)
> > at
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(
> BlockJUnit4ClassRunner.java:57)
> > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> > at
> > org.junit.internal.runners.statements.RunBefores.
> evaluate(RunBefores.java:26)
> > at
> > org.junit.internal.runners.statements.RunAfters.evaluate(
> RunAfters.java:27)
> > at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> > at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> > at
> > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(
> JUnit4IdeaTestRunner.java:117)
> > at
> > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(
> JUnit4IdeaTestRunner.java:42)
> > at
> > com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(
> JUnitStarter.java:262)
> > at com.intellij.rt.execution.junit.JUnitStarter.main(
> JUnitStarter.java:84)
> >
> > 10:17:42,986 DEBUG (Client I/O-7) [io.undertow.request.io]
> > <AbstractFramedChannel.java:791> Channel Http2Channel peer
> > localhost/127.0.0.1:7778 local /127.0.0.1:64696[ No Receiver [] -- []
> -- []]
> > is being closed: java.nio.channels.ClosedChannelException
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel.
> close(AbstractFramedChannel.java:791)
> > at org.xnio.IoUtils.safeClose(IoUtils.java:134)
> > at
> > io.undertow.protocols.http2.Http2Channel$3.handleEvent(
> Http2Channel.java:762)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at org.xnio.ChannelListeners$14.handleEvent(ChannelListeners.java:421)
> > at org.xnio.ChannelListeners$14.handleEvent(ChannelListeners.java:409)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedStreamSinkChanne
> l$1.run(AbstractFramedStreamSinkChannel.java:212)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> 3.run(AbstractFramedChannel.java:231)
> > at org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:580)
> > at org.xnio.nio.WorkerThread.run(WorkerThread.java:464)
> >
> > 10:17:42,986 DEBUG (XNIO-1 I/O-7) [io.undertow.request.io]
> > <Http2Channel.java:753> Sending goaway on channel Http2Channel peer
> > /127.0.0.1:64696 local /127.0.0.1:7778[ No Receiver [] -- [] -- []]:
> > java.nio.channels.ClosedChannelException
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:753)
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:744)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannelImpl(
> Http2Channel.java:478)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannel(
> Http2Channel.java:317)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannel(
> Http2Channel.java:65)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel.
> receive(AbstractFramedChannel.java:452)
> > at
> > io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(
> Http2ReceiveListener.java:106)
> > at
> > io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(
> Http2ReceiveListener.java:57)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:931)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:912)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.
> readReady(ReadReadyHandler.java:66)
> > at
> > io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(
> SslConduit.java:1129)
> > at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:88)
> > at org.xnio.nio.WorkerThread.run(WorkerThread.java:559)
> >
> > 10:17:42,988 DEBUG (XNIO-1 I/O-7) [io.undertow.request.io]
> > <AbstractFramedChannel.java:791> Channel Http2Channel peer /
> 127.0.0.1:64696
> > local /127.0.0.1:7778[ No Receiver [] -- [] -- []] is being closed:
> > java.nio.channels.ClosedChannelException
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel.
> close(AbstractFramedChannel.java:791)
> > at org.xnio.IoUtils.safeClose(IoUtils.java:134)
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:767)
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:744)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannelImpl(
> Http2Channel.java:478)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannel(
> Http2Channel.java:317)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannel(
> Http2Channel.java:65)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel.
> receive(AbstractFramedChannel.java:452)
> > at
> > io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(
> Http2ReceiveListener.java:106)
> > at
> > io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(
> Http2ReceiveListener.java:57)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:931)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:912)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.
> readReady(ReadReadyHandler.java:66)
> > at
> > io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(
> SslConduit.java:1129)
> > at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:88)
> > at org.xnio.nio.WorkerThread.run(WorkerThread.java:559)
> >
> > 10:17:43,001 DEBUG (Client I/O-7) [io.undertow.request.io]
> > <Http2ClientConnection.java:458> UT005013: An IOException occurred:
> > java.nio.channels.ClosedChannelException
> > at
> > io.undertow.client.http2.Http2ClientConnection$Http2ReceiveListener.
> handleEvent(Http2ClientConnection.java:452)
> > at
> > io.undertow.client.http2.Http2ClientConnection$Http2ReceiveListener.
> handleEvent(Http2ClientConnection.java:366)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:931)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:912)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.
> readReady(ReadReadyHandler.java:66)
> > at
> > io.undertow.protocols.ssl.SslConduit$SslReadReadyHandler.readReady(
> SslConduit.java:1129)
> > at io.undertow.protocols.ssl.SslConduit$1.run(SslConduit.java:168)
> > at org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:580)
> > at org.xnio.nio.WorkerThread.run(WorkerThread.java:464)
> >
> > HTTP/1.1
> > 10:20:14,473 DEBUG (main) [io.undertow.request.io]
> <Http2Channel.java:753>
> > Sending goaway on channel Http2Channel peer localhost/127.0.0.1:7777
> local
> > /127.0.0.1:64697[ No Receiver [] -- [] -- []]:
> > java.nio.channels.ClosedChannelException
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:753)
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:744)
> >
> > at
> > io.undertow.client.http2.Http2ClientConnection.close(
> Http2ClientConnection.java:312)
> > at org.xnio.IoUtils.safeClose(IoUtils.java:134)
> > at
> > io.undertow.client.http.Http2ClientTestCase.testHttpConnectionClose(
> Http2ClientTestCase.java:220)
> > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > at
> > sun.reflect.NativeMethodAccessorImpl.invoke(
> NativeMethodAccessorImpl.java:62)
> > at
> > sun.reflect.DelegatingMethodAccessorImpl.invoke(
> DelegatingMethodAccessorImpl.java:43)
> > at java.lang.reflect.Method.invoke(Method.java:498)
> > at
> > org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(
> FrameworkMethod.java:50)
> > at
> > org.junit.internal.runners.model.ReflectiveCallable.run(
> ReflectiveCallable.java:12)
> > at
> > org.junit.runners.model.FrameworkMethod.invokeExplosively(
> FrameworkMethod.java:47)
> > at
> > org.junit.internal.runners.statements.InvokeMethod.
> evaluate(InvokeMethod.java:17)
> > at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> > at
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(
> BlockJUnit4ClassRunner.java:78)
> > at
> > org.junit.runners.BlockJUnit4ClassRunner.runChild(
> BlockJUnit4ClassRunner.java:57)
> > at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> > at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> > at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> > at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> > at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> > at
> > org.junit.internal.runners.statements.RunBefores.
> evaluate(RunBefores.java:26)
> > at
> > org.junit.internal.runners.statements.RunAfters.evaluate(
> RunAfters.java:27)
> > at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> > at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
> > at
> > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(
> JUnit4IdeaTestRunner.java:117)
> > at
> > com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(
> JUnit4IdeaTestRunner.java:42)
> > at
> > com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(
> JUnitStarter.java:262)
> > at com.intellij.rt.execution.junit.JUnitStarter.main(
> JUnitStarter.java:84)
> >
> > 10:20:14,474 DEBUG (Client I/O-4) [io.undertow.request.io]
> > <AbstractFramedChannel.java:791> Channel Http2Channel peer
> > localhost/127.0.0.1:7777 local /127.0.0.1:64697[ No Receiver [] -- []
> -- []]
> > is being closed: java.nio.channels.ClosedChannelException
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel.
> close(AbstractFramedChannel.java:791)
> > at org.xnio.IoUtils.safeClose(IoUtils.java:134)
> > at
> > io.undertow.protocols.http2.Http2Channel$3.handleEvent(
> Http2Channel.java:762)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at org.xnio.ChannelListeners$14.handleEvent(ChannelListeners.java:421)
> > at org.xnio.ChannelListeners$14.handleEvent(ChannelListeners.java:409)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at org.xnio.ChannelListeners$4.run(ChannelListeners.java:147)
> > at org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:580)
> > at org.xnio.nio.WorkerThread.run(WorkerThread.java:464)
> >
> > 10:20:14,474 DEBUG (XNIO-1 I/O-1) [io.undertow.request.io]
> > <Http2Channel.java:753> Sending goaway on channel Http2Channel peer
> > /127.0.0.1:64697 local /127.0.0.1:7777[ No Receiver [] -- [] -- []]:
> > java.nio.channels.ClosedChannelException
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:753)
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:744)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannelImpl(
> Http2Channel.java:478)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannel(
> Http2Channel.java:317)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannel(
> Http2Channel.java:65)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel.
> receive(AbstractFramedChannel.java:452)
> > at
> > io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(
> Http2ReceiveListener.java:106)
> > at
> > io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(
> Http2ReceiveListener.java:57)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:931)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:912)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.
> readReady(ReadReadyHandler.java:66)
> > at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:88)
> > at org.xnio.nio.WorkerThread.run(WorkerThread.java:559)
> >
> > 10:20:14,476 DEBUG (XNIO-1 I/O-1) [io.undertow.request.io]
> > <AbstractFramedChannel.java:791> Channel Http2Channel peer /
> 127.0.0.1:64697
> > local /127.0.0.1:7777[ No Receiver [] -- [] -- []] is being closed:
> > java.nio.channels.ClosedChannelException
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel.
> close(AbstractFramedChannel.java:791)
> > at org.xnio.IoUtils.safeClose(IoUtils.java:134)
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:767)
> > at
> > io.undertow.protocols.http2.Http2Channel.sendGoAway(
> Http2Channel.java:744)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannelImpl(
> Http2Channel.java:478)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannel(
> Http2Channel.java:317)
> > at
> > io.undertow.protocols.http2.Http2Channel.createChannel(
> Http2Channel.java:65)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel.
> receive(AbstractFramedChannel.java:452)
> > at
> > io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(
> Http2ReceiveListener.java:106)
> > at
> > io.undertow.server.protocol.http2.Http2ReceiveListener.handleEvent(
> Http2ReceiveListener.java:57)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:931)
> > at
> > io.undertow.server.protocol.framed.AbstractFramedChannel$
> FrameReadListener.handleEvent(AbstractFramedChannel.java:912)
> > at org.xnio.ChannelListeners.invokeChannelListener(
> ChannelListeners.java:92)
> > at
> > org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.
> readReady(ReadReadyHandler.java:66)
> > at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:88)
> > at org.xnio.nio.WorkerThread.run(WorkerThread.java:559)
> >
> >
> > On Tue, Mar 21, 2017 at 11:39 PM, Stuart Douglas <sdouglas at redhat.com>
> > wrote:
> >>
> >> On Wed, Mar 22, 2017 at 12:50 PM, Steve Hu <stevehu at gmail.com> wrote:
> >> > Hi Stuart,
> >> >
> >> > I debugged into the ALPN code and found some issues with Http2Client.
> >> >
> >> > I started with the Http2Server example and found
> >> > LoadBalancingProxyClient is
> >> > using an instance of UndertowClient which can only load HTTP1.1
> >> > ClientProviders. The following is the code to get ClientProvider and
> >> > only
> >> > "http" or "https" can be the return from uri.getSchema().
> >> >
> >> > ClientProvider provider = clientProviders.get(uri.getScheme());
> >> >
> >> > If this is true, then the communication between the proxy and Http/2
> >> > server
> >> > is Http/1.1
> >>
> >> You need to pass in the ENABLE_HTTP2 option in the OptionsMap. For
> >> http URI's this means that the client will attempt an upgrade on the
> >> first request, for https URI's ALPN will be used to try and negotiate
> >> HTTP/2. This is how browsers behave, and will work even if the target
> >> does not support HTTP/2.
> >>
> >> One thing I did notice that I fixed upstream was that the Undertow
> >> builder was not registering a HTTP2UpgradeHandler when HTTP/2 was
> >> enabled, which has been fixed.
> >>
> >> >
> >> > In addition, I have created a new class UndertowHttp2Client and
> >> > Http2ClientTestCase in my forked repo to try
> >> >
> >> > the Http2ClientProviders and found all three http2 client providers
> >> > don't
> >> > work as expected.
> >> >
> >> > h2c and h2-prior got 200 response code back during handshake and h2
> >> > works
> >> > but the connection is still http 1.1
> >>
> >> I think this was probably caused by the lack of the upgrade handler
> >> (well for h2c, h2c-prior should still work).
> >>
> >> Stuart
> >>
> >> >
> >> > I am debugging the ALPN code now but it is very slow as I have to dig
> >> > into
> >> > the spec to learn how the handshake works.
> >> >
> >> > As you have resolved the ALPN boot jar issue with the hack, I think
> >> > Undertow
> >> > is very usable for HTTP/2 and it would
> >> >
> >> > be perfect if the client is working as well. Could you please confirm
> my
> >> > findings and let me know direction I should
> >> >
> >> > focus on?
> >>
> >>
> >> >
> >> >
> >> > Thanks,
> >> >
> >> >
> >> > Steve
> >> >
> >> >
> >> > Here is my repo with UndertowHttp2Client and Test.
> >> >
> >> > https://github.com/stevehu/undertow
> >> >
> >> >
> >> > And here is the files I have added.
> >> >
> >> >
> >> > https://github.com/stevehu/undertow/blob/master/core/src/
> main/java/io/undertow/client/UndertowHttp2Client.java
> >> >
> >> >
> >> > https://github.com/stevehu/undertow/blob/master/core/src/
> test/java/io/undertow/client/http/Http2ClientTestCase.java
> >> >
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > On Sun, Mar 19, 2017 at 8:23 PM, Stuart Douglas <sdouglas at redhat.com>
> >> > wrote:
> >> >>
> >> >> I don't really have time to do it (there is no real benefit for
> >> >> Undertow, so it is not high on my priority list), but the code is all
> >> >> Apache licensed so there is no reason why you can't start a project
> >> >> that provides this code as a standalone implementation.
> >> >>
> >> >> You would still need to implement code in Netty etc to actually use
> >> >> this as well, as there is no standardized ALPN API yet.
> >> >>
> >> >> Stuart
> >> >>
> >> >> On Mon, Mar 20, 2017 at 11:07 AM, Steve Hu <stevehu at gmail.com>
> wrote:
> >> >> > I am reading the code in client package and they look really good.
> As
> >> >> > currently none of the http/2 client library has a work around on
> alpn
> >> >> > boot
> >> >> > jar and this blocks majority of developers to move to http/2. I am
> >> >> > wondering
> >> >> > if you want to split client package to a standalone client module
> so
> >> >> > that it
> >> >> > can be used by other developers to connect to servers that
> implement
> >> >> > http/2.
> >> >> > If you are interested in it, I can help to create a pull request
> and
> >> >> > add
> >> >> > some test cases while I am working on my own client implementation.
> >> >> > Thanks.
> >> >> >
> >> >> > On Sun, Mar 19, 2017 at 5:32 PM, Stuart Douglas <
> sdouglas at redhat.com>
> >> >> > wrote:
> >> >> >>
> >> >> >> You could use Undertow's HTTP/2 client, although it's API was
> >> >> >> designed
> >> >> >> around the reverse proxy use case and as a result is not ideal for
> >> >> >> the
> >> >> >> general purpose HTTP client use case (although it is still
> perfectly
> >> >> >> usable).
> >> >> >>
> >> >> >> In terms of using Undertow's ALPN implementation with Netty etc it
> >> >> >> would require someone to port it over. The code is at [1] if you
> are
> >> >> >> interested.
> >> >> >>
> >> >> >> Stuart
> >> >> >>
> >> >> >> [1]
> >> >> >>
> >> >> >>
> >> >> >> https://github.com/undertow-io/undertow/blob/master/core/
> src/main/java/io/undertow/protocols/ssl/ALPNHackSSLEngine.java
> >> >> >>
> >> >> >> On Mon, Mar 20, 2017 at 7:21 AM, Steve Hu <stevehu at gmail.com>
> wrote:
> >> >> >> > Thanks Stuart for the quick response. Now I have server started
> >> >> >> > with
> >> >> >> > HTTP/2
> >> >> >> > and it works perfect with some client tools. Now I am looking
> for
> >> >> >> > Java
> >> >> >> > HTTP/2 client libraries to update my client module to support
> >> >> >> > HTTP/2
> >> >> >> > protocol for microservices communication. There are three major
> >> >> >> > libraries
> >> >> >> > okhttp, jetty and netty but all of them require Jetty's ALPN
> boot
> >> >> >> > JAR. I
> >> >> >> > saw
> >> >> >> > you have resolved the boot jar dependency in Undertow and am
> >> >> >> > wondering
> >> >> >> > if
> >> >> >> > you could point me to the right direction. Do you have any
> >> >> >> > recommendation
> >> >> >> > for HTTP/2 client library? How do you work around the alpn boot
> >> >> >> > jar?
> >> >> >> > Is
> >> >> >> > the
> >> >> >> > same solution can be used by okhttp, jetty and netty before
> Java 9
> >> >> >> > is
> >> >> >> > released?
> >> >> >> >
> >> >> >> >
> >> >> >> >
> >> >> >> > On Fri, Mar 17, 2017 at 11:03 PM, Stuart Douglas
> >> >> >> > <sdouglas at redhat.com>
> >> >> >> > wrote:
> >> >> >> >>
> >> >> >> >> No, that is a debug level message. The JDK8 ALPN provider
> should
> >> >> >> >> still
> >> >> >> >> be registered.
> >> >> >> >>
> >> >> >> >> Stuart
> >> >> >> >>
> >> >> >> >> On Sat, Mar 18, 2017 at 12:18 PM, Steve Hu <stevehu at gmail.com>
> >> >> >> >> wrote:
> >> >> >> >> > Hi,
> >> >> >> >> >
> >> >> >> >> > I searched this mailing list and one post mentioned that I
> >> >> >> >> > don't
> >> >> >> >> > need
> >> >> >> >> > to
> >> >> >> >> > use
> >> >> >> >> > -Xbootclasspath/p:<path_to_alpn_boot_jar> after 1.4.0Final.
> I
> >> >> >> >> > am
> >> >> >> >> > trying
> >> >> >> >> > HTTP/2 on my server with 1.4.10 and Oracle JDK 1.8 but when I
> >> >> >> >> > start
> >> >> >> >> > the
> >> >> >> >> > server I got the following error. Do I have to use OpenJDK 8?
> >> >> >> >> > If I
> >> >> >> >> > switch to
> >> >> >> >> > JBoss OpenSSL implementation?
> >> >> >> >> >
> >> >> >> >> > Thanks,
> >> >> >> >> >
> >> >> >> >> > Steve
> >> >> >> >> >
> >> >> >> >> > 21:00:36.468 [main]  DEBUG io.undertow - Configuring listener
> >> >> >> >> > with
> >> >> >> >> > protocol
> >> >> >> >> > HTTPS for interface 0.0.0.0 and port 8843
> >> >> >> >> >
> >> >> >> >> > 21:00:36.486 [main]  DEBUG io.undertow - JDK9 ALPN not
> >> >> >> >> > supported
> >> >> >> >> >
> >> >> >> >> > java.lang.NoSuchMethodException:
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > javax.net.ssl.SSLParameters.setApplicationProtocols([
> Ljava.lang.String;)
> >> >> >> >> >
> >> >> >> >> > at java.lang.Class.getMethod(Class.java:1786)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > io.undertow.protocols.alpn.JDK9AlpnProvider$1.run(
> JDK9AlpnProvider.java:47)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > io.undertow.protocols.alpn.JDK9AlpnProvider$1.run(
> JDK9AlpnProvider.java:43)
> >> >> >> >> >
> >> >> >> >> > at java.security.AccessController.doPrivileged(Native
> Method)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > io.undertow.protocols.alpn.JDK9AlpnProvider.<clinit>(
> JDK9AlpnProvider.java:43)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> > sun.reflect.NativeConstructorAccessorImpl.
> newInstance0(Native
> >> >> >> >> > Method)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > sun.reflect.NativeConstructorAccessorImpl.newInstance(
> NativeConstructorAccessorImpl.java:62)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
> DelegatingConstructorAccessorImpl.java:45)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> > java.lang.reflect.Constructor.newInstance(Constructor.java:
> 423)
> >> >> >> >> >
> >> >> >> >> > at java.lang.Class.newInstance(Class.java:442)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > java.util.ServiceLoader$LazyIterator.nextService(
> ServiceLoader.java:380)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> > java.util.ServiceLoader$LazyIterator.next(
> ServiceLoader.java:404)
> >> >> >> >> >
> >> >> >> >> > at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> > io.undertow.protocols.alpn.ALPNManager.<init>(
> ALPNManager.java:40)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > io.undertow.protocols.alpn.ALPNManager.<clinit>(
> ALPNManager.java:35)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > io.undertow.server.protocol.http.AlpnOpenListener.<init>(
> AlpnOpenListener.java:67)
> >> >> >> >> >
> >> >> >> >> > at
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > io.undertow.server.protocol.http.AlpnOpenListener.<init>(
> AlpnOpenListener.java:90)
> >> >> >> >> >
> >> >> >> >> > at io.undertow.Undertow.start(Undertow.java:179)
> >> >> >> >> >
> >> >> >> >> > at com.networknt.server.Server.start(Server.java:170)
> >> >> >> >> >
> >> >> >> >> > at com.networknt.server.Server.main(Server.java:90)
> >> >> >> >> >
> >> >> >> >> > 21:00:36.503 [main]  INFO  com.networknt.server.Server -
> Https
> >> >> >> >> > Server
> >> >> >> >> > started on ip:0.0.0.0 Port:8843
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > _______________________________________________
> >> >> >> >> > undertow-dev mailing list
> >> >> >> >> > undertow-dev at lists.jboss.org
> >> >> >> >> > https://lists.jboss.org/mailman/listinfo/undertow-dev
> >> >> >> >
> >> >> >> >
> >> >> >
> >> >> >
> >> >
> >> >
> >
> >
>
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