Dennis Tychsen created CAMEL-12475:
--------------------------------------

             Summary: Undertow consumer with http4 producer results in Undertow 
throwing NullPointerException
                 Key: CAMEL-12475
                 URL: https://issues.apache.org/jira/browse/CAMEL-12475
             Project: Camel
          Issue Type: Bug
    Affects Versions: 2.21.0, 2.20.3
         Environment: Operating System: Windows 8

Java version: 1.8

Camel version: 2.21.0
            Reporter: Dennis Tychsen


I have a very simple setup of Camel (standalone).

My route is as follows:
{code:java}
public void configure() throws Exception {
    restConfiguration().port(8080);

    rest("/pi")
            .get()
            .route()
            .setExchangePattern(ExchangePattern.InOut)
            .to("https4://api.pi.delivery/v1/pi?bridgeEndpoint=true");
}{code}
 

When using camel-undertow for consumer and camel-http4 for producer, I get a 
NullPointerException.
{code:java}
java.lang.NullPointerException: null
at io.undertow.io.AsyncSenderImpl.send(AsyncSenderImpl.java:141) 
~[undertow-core-1.4.23.Final.jar:1.4.23.Final]
at io.undertow.io.AsyncSenderImpl.send(AsyncSenderImpl.java:285) 
~[undertow-core-1.4.23.Final.jar:1.4.23.Final]
at 
org.apache.camel.component.undertow.UndertowConsumer.handleRequest(UndertowConsumer.java:142)
 ~[camel-undertow-2.21.0.jar:2.21.0]
at io.undertow.server.Connectors.executeRootHandler(Connectors.java:336) 
~[undertow-core-1.4.23.Final.jar:1.4.23.Final]
at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:830) 
~[undertow-core-1.4.23.Final.jar:1.4.23.Final]
at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
~[na:1.8.0_102]
at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
~[na:1.8.0_102]
at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_102]
{code}
However, if I switch out the camel-undertow dependency with camel-jetty, the 
above route configuration works just fine.



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