This looks really odd. It looks like the client request is expecting
there to be a request body, however the server request thinks the
request is finished and there is no request body available. Is it
possible an earlier handler is reading the request body so the proxy
handler can't access it?
Stuart
On Sat, Sep 16, 2017 at 8:37 PM, Steve Hu <stevehu(a)gmail.com> wrote:
Hi,
I am trying to build a RESTful reverse proxy in order to wrap up APIs built
with other Java frameworks or other languages. The codebase is copied from
the reverse proxy example and I have a tutorial to document the steps to
reproduce the error. I am just wondering if there are anything I missed or
this is a bug.
Thanks,
Steve
Here the tutorial
https://networknt.github.io/light-proxy/tutorial/
And here is the error
14:04:03.357 [XNIO-1 I/O-1] ERROR io.undertow.proxy handleFailure -
UT005028: Proxy request to /v1/postData failed
io.undertow.server.TruncatedResponseException: null
at
io.undertow.client.http.HttpRequestConduit.truncateWrites(HttpRequestConduit.java:711)
at
io.undertow.conduits.AbstractFixedLengthStreamSinkConduit.terminateWrites(AbstractFixedLengthStreamSinkConduit.java:256)
at
org.xnio.conduits.ConduitStreamSinkChannel.shutdownWrites(ConduitStreamSinkChannel.java:178)
at
io.undertow.channels.DetachableStreamSinkChannel.shutdownWrites(DetachableStreamSinkChannel.java:79)
at
io.undertow.server.handlers.proxy.ProxyHandler$HTTPTrailerChannelListener.handleEvent(ProxyHandler.java:736)
at
io.undertow.server.handlers.proxy.ProxyHandler$ProxyAction$1.completed(ProxyHandler.java:628)
at
io.undertow.server.handlers.proxy.ProxyHandler$ProxyAction$1.completed(ProxyHandler.java:543)
at
io.undertow.client.http.HttpClientExchange.invokeReadReadyCallback(HttpClientExchange.java:212)
at
io.undertow.client.http.HttpClientConnection.initiateRequest(HttpClientConnection.java:418)
at
io.undertow.client.http.HttpClientConnection.sendRequest(HttpClientConnection.java:350)
at
io.undertow.server.handlers.proxy.ProxyHandler$ProxyAction.run(ProxyHandler.java:543)
at io.undertow.util.SameThreadExecutor.execute(SameThreadExecutor.java:35)
at
io.undertow.server.HttpServerExchange.dispatch(HttpServerExchange.java:797)
at
io.undertow.server.handlers.proxy.ProxyHandler$ProxyClientHandler.completed(ProxyHandler.java:298)
at
io.undertow.server.handlers.proxy.ProxyHandler$ProxyClientHandler.completed(ProxyHandler.java:272)
at
io.undertow.server.handlers.proxy.ProxyConnectionPool.connectionReady(ProxyConnectionPool.java:338)
at
io.undertow.server.handlers.proxy.ProxyConnectionPool.access$900(ProxyConnectionPool.java:61)
at
io.undertow.server.handlers.proxy.ProxyConnectionPool$2.completed(ProxyConnectionPool.java:286)
at
io.undertow.server.handlers.proxy.ProxyConnectionPool$2.completed(ProxyConnectionPool.java:273)
at
io.undertow.client.http.HttpClientProvider.handleConnected(HttpClientProvider.java:156)
at
io.undertow.client.http.HttpClientProvider.access$000(HttpClientProvider.java:51)
at
io.undertow.client.http.HttpClientProvider$2.handleEvent(HttpClientProvider.java:127)
at
io.undertow.client.http.HttpClientProvider$2.handleEvent(HttpClientProvider.java:124)
at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
at
org.xnio.nio.WorkerThread$ConnectHandle.handleReady(WorkerThread.java:326)
at org.xnio.nio.WorkerThread.run(WorkerThread.java:561)
14:05:03.462 [XNIO-1 I/O-1] ERROR io.undertow.proxy handleFailure -
UT005028: Proxy request to /v1/postData failed
java.io.IOException: UT001000: Connection closed
at
io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:573)
at
io.undertow.client.http.HttpClientConnection$ClientReadListener.handleEvent(HttpClientConnection.java:511)
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:561)
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