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https://issues.apache.org/jira/browse/SYNAPSE-168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12541222
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Asankha C. Perera commented on SYNAPSE-168:
-------------------------------------------

Seems like a JBoss issue.. if the service is not available what does it return? 
is it a HTTP 404? or 500? with a HTML message too? Please capture the response 
from JBoss when the service is undeployed (using TCPMon etc) and attach it for 
review. I will either need this, or the exact JBoss version and your WAR file 
to reproduce the scenario

You may try to Zip the war file and then attach to this JIRA if you have 
problems

> java.lang.IllegalStateException: I/O reactor has been shut down
> ---------------------------------------------------------------
>
>                 Key: SYNAPSE-168
>                 URL: https://issues.apache.org/jira/browse/SYNAPSE-168
>             Project: Synapse
>          Issue Type: Bug
>          Components: Transports
>    Affects Versions: 1.1-RC1
>         Environment: java 1.5.0_07, Mac OS X 10.4.10, endpoint made with 
> Spring-WS deployed on JBoss 4.2.1
>            Reporter: Maciej Majewski
>            Priority: Critical
>
> Synapse configuration:
> <definitions xmlns="http://ws.apache.org/ns/synapse";>                         
>                                                           
>                                                                               
>                                                           
>     <in>                                                                      
>                                                           
>         <log level="full"/>                                                   
>                                                           
>                                                                               
>                                                           
>         <send>                                                                
>                                                           
>         <endpoint>                                                            
>                                                           
>             <wsdl uri="http://hostname:2006/echo/echo.wsdl"; 
> service="EchoService" port="EchoPort">                                        
>   
>                                                                               
>                                                           
>                 <suspendDurationOnFailure>5</suspendDurationOnFailure>        
>                                                           
>                 <timeout>                                                     
>                                                           
>                         <duration>3</duration>                                
>                                                           
>                         <action>fault</action>                                
>                                                           
>                 </timeout>                                                    
>                                                           
>                                                                               
>                                                           
>             </wsdl>                                                           
>                                                           
>         </endpoint>                                                           
>                                                           
>         </send>                                                               
>                                                           
>                                                                               
>                                                           
>     </in>                                                                     
>                                                           
>     <out>                                                                     
>                                                           
>         <send/>                                                               
>                                                           
>     </out>                                                                    
>                                                           
> </definitions>
> When simple 'echo' endpoint is deployed and working - everything is OK.
> But when I undeploy it and ask Synapse, I've got series of exception:
> First query:
> 2007-11-05 10:06:18,460 [ CUT ] [HttpServerWorker-5]  INFO LogMediator To: 
> /soap, WSAction: , SOAPAction: , Direction: request, Envelope: <?xml 
> version='1.0' encoding='utf-8'?><soapenv:Envelope 
> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"; 
> xmlns:echo="http://www.springframework.org/spring-ws/samples/echo";><soapenv:Body>
>       <echo:echoRequest>test123</echo:echoRequest>
>    </soapenv:Body></soapenv:Envelope>
> Exception in thread "HttpCoreNIOSender" java.lang.NullPointerException
>         at 
> org.apache.synapse.transport.nhttp.ClientHandler.inputReady(ClientHandler.java:225)
>         at 
> org.apache.synapse.transport.nhttp.LoggingNHttpClientHandler.inputReady(LoggingNHttpClientHandler.java:113)
>         at 
> org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:135)
>         at 
> org.apache.synapse.transport.nhttp.PlainClientIOEventDispatch.inputReady(PlainClientIOEventDispatch.java:71)
>         at 
> org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:94)
>         at 
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:189)
>         at 
> org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:174)
>         at 
> org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:137)
>         at 
> org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:69)
>         at 
> org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:281)
>         at java.lang.Thread.run(Thread.java:613)
> Second query:
> 2007-11-05 10:20:25,461 [  CUT  ] [HttpServerWorker-14] ERROR Axis2Sender 
> Unexpected error during sending message out
> java.lang.IllegalStateException: I/O reactor has been shut down
>         at 
> org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.connect(DefaultConnectingIOReactor.java:164)
>         at 
> org.apache.synapse.transport.nhttp.HttpCoreNIOSender.sendAsyncRequest(HttpCoreNIOSender.java:285)
>         at 
> org.apache.synapse.transport.nhttp.HttpCoreNIOSender.invoke(HttpCoreNIOSender.java:208)
>         at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:396)
>         at 
> org.apache.synapse.core.axis2.DynamicAxisOperation$DynamicOperationClient.send(DynamicAxisOperation.java:192)
>         at 
> org.apache.synapse.core.axis2.DynamicAxisOperation$DynamicOperationClient.executeImpl(DynamicAxisOperation.java:176)
>         at 
> org.apache.axis2.client.OperationClient.execute(OperationClient.java:163)
>         at 
> org.apache.synapse.core.axis2.Axis2FlexibleMEPClient.send(Axis2FlexibleMEPClient.java:250)
>         at 
> org.apache.synapse.core.axis2.Axis2Sender.sendOn(Axis2Sender.java:55)
>         at 
> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(Axis2SynapseEnvironment.java:200)
>         at 
> org.apache.synapse.endpoints.WSDLEndpoint.send(WSDLEndpoint.java:140)
>         at 
> org.apache.synapse.mediators.builtin.SendMediator.mediate(SendMediator.java:100)
>         at 
> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
>         at 
> org.apache.synapse.mediators.filters.InMediator.mediate(InMediator.java:60)
>         at 
> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:60)
>         at 
> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:122)
>         at 
> org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:154)
>         at 
> org.apache.synapse.core.axis2.SynapseMessageReceiver.receive(SynapseMessageReceiver.java:89)
>         at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:145)
>         at 
> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
>         at 
> org.apache.synapse.transport.nhttp.ServerWorker.processPost(ServerWorker.java:218)
>         at 
> org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:182)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:650)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:675)
>         at java.lang.Thread.run(Thread.java:613)
> End every next query ends with this exception.
> Even if I redeploy echo endpoint, Synapse does not process my requests and 
> responses with 0 bytes:
> Mon Nov 05 10:13:59 CET 2007:INFO:Got response for [EchoBinding.echo:Request 
> 1] in 18ms (0 bytes)
> And after a few seconds in logs I have:
> 2007-11-05 10:19:06,408 [ CUT ] [Timer-0]  INFO LogMediator To: /soap, 
> WSAction: , SOAPAction: , Direction: request, Envelope: <?xml version='1.0' 
> encoding='utf-8'?><soapenv:Envelope 
> xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"; 
> xmlns:echo="http://www.springframework.org/spring-ws/samples/echo";><soapenv:Body>
>       <echo:echoRequest>dupa123</echo:echoRequest>
>    </soapenv:Body></soapenv:Envelope>
> After restarting Synapse everything backs to normal - so it isn't endpoint's 
> issue.

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