This does sound like a h2 issue. Do you have a reliable way or
reproducing it that I can debug?
Stuart
On Sun, Feb 26, 2017 at 5:12 AM, Hicks, Matt <matt(a)matthicks.com> wrote:
It just occurred to me this might be related to me using HTTP2. I
was also
experiencing both client and server errors loading resources (audio and
video). I just turned off HTTP2 and now I'm not experiencing any errors at
all. I haven't tried switching back to asynchronous parsing of
multipart/form-data yet though.
On Sat, Feb 25, 2017 at 11:06 AM Hicks, Matt <matt(a)matthicks.com> wrote:
>
> Thanks for the response Bill, but that's almost verbatim what I was
> already doing and it was sometimes not working and getting stuck.
>
> On Sat, Feb 25, 2017 at 10:13 AM Bill O'Neil <bill(a)dartalley.com> wrote:
>>
>> Have you looked into the EagerFormParsingHandler?
>>
>> On Sat, Feb 25, 2017 at 11:01 AM, Hicks, Matt <matt(a)matthicks.com> wrote:
>>>
>>> Well, it appears I fixed the problem. After switching to the following
>>> code everything is working fine now:
>>>
>>> if (exchange.isInIoThread()) {
>>> exchange.dispatch(this);
>>> } else {
>>> exchange.startBlocking();
>>> formParserBuilder.build().createParser(exchange).parseBlocking();
>>> ...
>>> }
>>>
>>> It's unfortunately that the non-blocking approach seems to be
>>> unreliable.
>>>
>>> On Fri, Feb 24, 2017 at 7:18 PM Hicks, Matt <matt(a)matthicks.com>
wrote:
>>>>
>>>> I gave it several minutes to run and finally just forcibly reloaded the
>>>> page and it spun for a few seconds like it normally does, but I waited
and
>>>> eventually it threw this exception:
>>>>
>>>> appJVM[ERROR] Feb 24, 2017 7:15:45 PM org.xnio.ChannelListeners
>>>> invokeChannelListener
>>>> appJVM[ERROR] ERROR: XNIO001007: A channel event listener threw an
>>>> exception
>>>> appJVM[ERROR] java.lang.IllegalStateException
>>>> appJVM[ERROR] at
>>>>
io.undertow.server.protocol.framed.AbstractFramedStreamSinkChannel.getBuffer(AbstractFramedStreamSinkChannel.java:574)
>>>> appJVM[ERROR] at
>>>>
io.undertow.server.protocol.framed.AbstractFramedChannel.flushSenders(AbstractFramedChannel.java:629)
>>>> appJVM[ERROR] at
>>>>
io.undertow.server.protocol.framed.AbstractFramedChannel$FrameWriteListener.handleEvent(AbstractFramedChannel.java:951)
>>>> appJVM[ERROR] at
>>>>
io.undertow.server.protocol.framed.AbstractFramedChannel$FrameWriteListener.handleEvent(AbstractFramedChannel.java:948)
>>>> appJVM[ERROR] at
>>>>
org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
>>>> appJVM[ERROR] at
>>>>
org.xnio.conduits.WriteReadyHandler$ChannelListenerHandler.writeReady(WriteReadyHandler.java:65)
>>>> appJVM[ERROR] at
>>>>
io.undertow.protocols.ssl.SslConduit$SslWriteReadyHandler.writeReady(SslConduit.java:1225)
>>>> appJVM[ERROR] at
>>>> io.undertow.protocols.ssl.SslConduit$3.run(SslConduit.java:275)
>>>> appJVM[ERROR] at
>>>> org.xnio.nio.WorkerThread.safeRun(WorkerThread.java:580)
>>>> appJVM[ERROR] at org.xnio.nio.WorkerThread.run(WorkerThread.java:464)
>>>>
>>>> I don't know if it's relevant to the problem or not, but at this
point
>>>> I'm just grasping for any straw.
>>>>
>>>> On Fri, Feb 24, 2017 at 5:18 PM Hicks, Matt <matt(a)matthicks.com>
wrote:
>>>>>
>>>>> 4.) I have three threads "runnable":
>>>>>
>>>>> "XNIO-1 Accept@6446" prio=5 tid=0x21 nid=NA runnable
>>>>> java.lang.Thread.State: RUNNABLE
>>>>> at
sun.nio.ch.EPollArrayWrapper.epollWait(EPollArrayWrapper.java:-1)
>>>>> at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
>>>>> at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
>>>>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
>>>>> - locked <merged>(a sun.nio.ch.EPollSelectorImpl)
>>>>> - locked <merged>(a java.util.Collections$UnmodifiableSet)
>>>>> - locked <merged>(a sun.nio.ch.Util$3)
>>>>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
>>>>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
>>>>> at org.xnio.nio.WorkerThread.run(WorkerThread.java:509)
>>>>>
>>>>> "XNIO-1 I/O-7@6448" prio=5 tid=0x1f nid=NA runnable
>>>>> java.lang.Thread.State: RUNNABLE
>>>>> at
sun.nio.ch.EPollArrayWrapper.epollWait(EPollArrayWrapper.java:-1)
>>>>> at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
>>>>> at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
>>>>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
>>>>> - locked <merged>(a sun.nio.ch.EPollSelectorImpl)
>>>>> - locked <merged>(a java.util.Collections$UnmodifiableSet)
>>>>> - locked <merged>(a sun.nio.ch.Util$3)
>>>>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
>>>>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
>>>>> at org.xnio.nio.WorkerThread.run(WorkerThread.java:509)
>>>>>
>>>>> "XNIO-1 I/O-3@6452" prio=5 tid=0x1b nid=NA runnable
>>>>> java.lang.Thread.State: RUNNABLE
>>>>> at
sun.nio.ch.EPollArrayWrapper.epollWait(EPollArrayWrapper.java:-1)
>>>>> at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
>>>>> at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
>>>>> at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
>>>>> - locked <0x1953> (a sun.nio.ch.EPollSelectorImpl)
>>>>> - locked <0x1954> (a java.util.Collections$UnmodifiableSet)
>>>>> - locked <0x1955> (a sun.nio.ch.Util$3)
>>>>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
>>>>> at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:101)
>>>>> at org.xnio.nio.WorkerThread.run(WorkerThread.java:509)
>>>>>
>>>>>
>>>>>
>>>>> On Fri, Feb 24, 2017 at 5:15 PM Hicks, Matt
<matt(a)matthicks.com>
>>>>> wrote:
>>>>>>
>>>>>> 1.) I was running 1.4.10.Final, but I upgraded to 1.4.11.Final
hoping
>>>>>> it was a bug that was fixed, but it didn't make any
difference.
>>>>>> 2.) Yes
>>>>>> 3.) No, of the 8 virtual CPUs none of them are maxed out.
>>>>>> 4.) I'll have to get back to you...
>>>>>>
>>>>>> On Fri, Feb 24, 2017 at 5:10 PM Stuart Douglas
<sdouglas(a)redhat.com>
>>>>>> wrote:
>>>>>>>
>>>>>>> - What version of Undertow?
>>>>>>> - Is SSL in use?
>>>>>>> - Does the server enter some kind of spin loop (i.e. 100%
CPU
>>>>>>> usage)?
>>>>>>> - What does the stack trace look like when this happens?
>>>>>>>
>>>>>>> Stuart
>>>>>>>
>>>>>>> On Sat, Feb 25, 2017 at 9:14 AM, Hicks, Matt
<matt(a)matthicks.com>
>>>>>>> wrote:
>>>>>>> > I'm uploading files as
"multipart/form-data" and using the
>>>>>>> > FormParser as
>>>>>>> > follows:
>>>>>>> >
>>>>>>> >
>>>>>>> >
FormParserFactory.builder().build().createParser(exchange).parse(nextHandler)
>>>>>>> >
>>>>>>> > Sometimes this works fine, but very often my client
shows progress
>>>>>>> > up to a
>>>>>>> > certain percentage complete (monitoring the AJAX
request) and then
>>>>>>> > just
>>>>>>> > stops and never kicks to `nextHandler`, leaves the
connection just
>>>>>>> > sitting
>>>>>>> > there forever, and the server seems to stop accepting
any future
>>>>>>> > connections.
>>>>>>> >
>>>>>>> > Any idea what might be causing this?
>>>>>>> >
>>>>>>> > _______________________________________________
>>>>>>> > undertow-dev mailing list
>>>>>>> > undertow-dev(a)lists.jboss.org
>>>>>>> >
https://lists.jboss.org/mailman/listinfo/undertow-dev
>>>
>>>
>>> _______________________________________________
>>> undertow-dev mailing list
>>> undertow-dev(a)lists.jboss.org
>>>
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>>
>>