Harm I'm really surprised by this. The system is under load much higher than this in many sites. We will take a look. I haven't seen the message "Request Already Submitted", so that should give us a clue. Thanks for the detailed feedback. Can you also include the SOAP message you are submitting?
Paul Harm Verhagen wrote: > > > Hi folks, > > I'm experiencing very unstable connections when I use the wso2 ESB to > proxy a soap interface. > I guess this problem makes it unusable for production. > > To test I'm using soapui (www.soapui.org <http://www.soapui.org>) to > issue soap requests on the "messageDelivery" interface. > Whenever I use my servers soap interface directly everything works > stable, but when I let the ESB proxy this interface the ESB stops > working even when under low load. > > Whenever I do multiple soap requests sequentially, (still low load, > every second one request). > I see the ESB already barf after proxying 3 or 4 messages. > > Its _very_ easy to reproduce, I never can issue (manually) more then 4 > soap requests without getting this error. > > *what error do I see:* > from ESB logging. > 2008-09-16 15:33:29,157 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > ERROR ClientHandler Unexpected HTTP protocol error: Request already > submitted > org.apache.http.HttpException: Request already submitted > at > org.apache.http.impl.nio.DefaultNHttpClientConnection.submitRequest(DefaultNHttpClientConnection.java:203) > > > This looks a bit like synapse ticket 344 > https://issues.apache.org/jira/browse/SYNAPSE-344 > except that I see this problem already under very low loads. > > Does anyone have clue whats going on here ? > Or better, does anyone now a fix/workaround ? > > *complete error log* > 2008-09-16 15:33:29,141 [127.0.0.1-vloeki_v01] [HttpClientWorker-8] > DEBUG SendMediator End : Send mediator > 2008-09-16 15:33:29,142 [127.0.0.1-vloeki_v01] [HttpClientWorker-8] > DEBUG SequenceMediator End : Sequence <out> > 2008-09-16 15:33:29,152 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG ProxyServiceMessageReceiver Proxy Service messageDelivery received a n > ew message from : 192.168.6.142 <http://192.168.6.142> > 2008-09-16 15:33:29,152 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG ProxyServiceMessageReceiver Message To: /soap/messageDelivery > 2008-09-16 15:33:29,152 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG ProxyServiceMessageReceiver SOAPAction: > 2008-09-16 15:33:29,152 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG ProxyServiceMessageReceiver WSA-Action: > 2008-09-16 15:33:29,153 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG ProxyServiceMessageReceiver Using sequence named : md_seq for incoming > message mediation > 2008-09-16 15:33:29,153 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG SequenceMediator Start : Sequence <md_seq> > 2008-09-16 15:33:29,153 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG SequenceMediator Sequence <SequenceMediator> :: mediate() > 2008-09-16 15:33:29,154 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG SendMediator Start : Send mediator > 2008-09-16 15:33:29,154 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG AddressEndpoint Start : Address Endpoint > 2008-09-16 15:33:29,154 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG AddressEndpoint Sending message to endpoint : AnonymousEndpoint resolv > es to address = > http://localhost:8180/boost-platform/services/messageDelivery > 2008-09-16 15:33:29,154 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG AddressEndpoint SOAPAction: > 2008-09-16 15:33:29,155 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG AddressEndpoint WSA-Action: > 2008-09-16 15:33:29,155 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG Axis2FlexibleMEPClient Sending [add = false] [sec = false] [rm = false > ] [mtom = false] [swa = false] [format = null] [force soap11=false] > [force soap12=false] [pox=false] [get=false] [encoding=null] [to Address: /s > oap/messageDelivery] > 2008-09-16 15:33:29,155 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG SynapseCallbackReceiver Callback added. Total callbacks waiting for : > 1 > 2008-09-16 15:33:29,157 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > ERROR ClientHandler Unexpected HTTP protocol error: Request already submitte > d > org.apache.http.HttpException: Request already submitted > at > org.apache.http.impl.nio.DefaultNHttpClientConnection.submitRequest(DefaultNHttpClientConnection.java:203) > at > org.apache.synapse.transport.nhttp.ClientHandler.submitRequest(ClientHandler.java:142) > at > org.apache.synapse.transport.nhttp.HttpCoreNIOSender.sendAsyncRequest(HttpCoreNIOSender.java:340) > at > org.apache.synapse.transport.nhttp.HttpCoreNIOSender.invoke(HttpCoreNIOSender.java:256) > at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:448) > at > org.apache.synapse.core.axis2.DynamicAxisOperation$DynamicOperationClient.send(DynamicAxisOperation.java:190) > at > org.apache.synapse.core.axis2.DynamicAxisOperation$DynamicOperationClient.executeImpl(DynamicAxisOperation.java:174) > at > org.apache.axis2.client.OperationClient.execute(OperationClient.java:163) > at > org.apache.synapse.core.axis2.Axis2FlexibleMEPClient.send(Axis2FlexibleMEPClient.java:288) > at > org.apache.synapse.core.axis2.Axis2Sender.sendOn(Axis2Sender.java:57) > at > org.apache.synapse.core.axis2.Axis2SynapseEnvironment.send(Axis2SynapseEnvironment.java:222) > at > org.apache.synapse.endpoints.AddressEndpoint.send(AddressEndpoint.java:195) > at > org.apache.synapse.mediators.builtin.SendMediator.mediate(SendMediator.java:157) > at > org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:58) > at > org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:125) > at > org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:149) > at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:176) > at > org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275) > at > org.apache.synapse.transport.nhttp.ServerWorker.processPost(ServerWorker.java:253) > at > org.apache.synapse.transport.nhttp.ServerWorker.run(ServerWorker.java:194) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:619) > 2008-09-16 15:33:29,159 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG SendMediator End : Send mediator > 2008-09-16 15:33:29,160 [127.0.0.1-vloeki_v01] [HttpServerWorker-9] > DEBUG SequenceMediator End : Sequence <md_seq> > 2008-09-16 15:33:29,161 [127.0.0.1-vloeki_v01] [HttpClientWorker-9] > DEBUG SynapseCallbackReceiver Callback removed. Pending callbacks count : 0 > 2008-09-16 15:33:29,162 [127.0.0.1-vloeki_v01] [HttpClientWorker-9] > WARN FaultHandler Fault handler - setting ERROR_MESSAGE : Abnormal connecti > on close > 2008-09-16 15:33:29,163 [127.0.0.1-vloeki_v01] [HttpClientWorker-9] > WARN FaultHandler Fault handler - setting ERROR_DETAIL : java.lang.Exceptio > : > > *ESB config* > I'm using a simple wdsl proxy, no extra processing, translations etc... > <?xml version="1.0" encoding="UTF-8"?> > <syn:definitions xmlns:syn="http://ws.apache.org/ns/synapse";> > <syn:registry provider="org.wso2.esb.registry.WSO2Registry"/> > <syn:proxy name="messageDelivery" startOnLoad="true"> > <syn:target inSequence="md_seq" outSequence="out"/> > <syn:publishWSDL > uri="http://localhost:8180/boost-platform/services/messageDelivery?wsdl"/> > </syn:proxy> > <syn:sequence name="md_seq"> > <syn:send> > <syn:endpoint> > <syn:address > uri="http://localhost:8180/boost-platform/services/messageDelivery"/> > </syn:endpoint> > </syn:send> > </syn:sequence> > <syn:sequence name="fault"> > <syn:log/> > </syn:sequence> > <syn:sequence statistics="enable" name="main" trace="enable"> > <syn:in> > <syn:log level="full"/> > </syn:in> > <syn:out> > <syn:send/> > </syn:out> > </syn:sequence> > <syn:sequence name="out"> > <syn:send/> > </syn:sequence> > </syn:definitions> > > > *version: > *wso2-esb-java-1.7.1 on debian. (java 6 (also tried 5) > > > > > Regards, > Harm > > > ------------------------------------------------------------------------ > > _______________________________________________ > Esb-java-user mailing list > [email protected] > http://mailman.wso2.org/cgi-bin/mailman/listinfo/esb-java-user -- Paul Fremantle CTO and Co-Founder, WSO2 OASIS WS-RX TC Co-chair VP, Apache Synapse Office: +44 844 484 8143 Cell: +44 798 447 4618 blog: http://pzf.fremantle.org [EMAIL PROTECTED] "Oxygenating the Web Service Platform", www.wso2.com _______________________________________________ Esb-java-user mailing list [email protected] http://mailman.wso2.org/cgi-bin/mailman/listinfo/esb-java-user
