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From João Conceição (JIRA) <j...@apache.org>
Subject [jira] [Closed] (AXIS2-5097) Axis2 problem with concurrent requests mismatch response object
Date Fri, 29 Jul 2011 17:18:09 GMT

     [ https://issues.apache.org/jira/browse/AXIS2-5097?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

João Conceição closed AXIS2-5097.
---------------------------------

    Resolution: Not A Problem

The problem can be solved by setting one RPCMessageReceiver for each method on file services.xml

> Axis2 problem with concurrent requests mismatch response object
> ---------------------------------------------------------------
>
>                 Key: AXIS2-5097
>                 URL: https://issues.apache.org/jira/browse/AXIS2-5097
>             Project: Axis2
>          Issue Type: Bug
>          Components: databinding
>    Affects Versions: 1.2, 1.6.0
>         Environment: Tomcat 5.5.25 for the application server
> Axis2 1.2 or 1.6 for the Web Service
> Java version 1.5.0_11
>            Reporter: João Conceição
>            Priority: Critical
>              Labels: Axis2, Java
>
> I'm facing a problem on my production server for a Web Service with concurrent requests.
> The problem is that when the Web Service receives (for instance) two requests for two
different methods (each method returning a different object) in the same service, the Web
Service will return the object type of the second request.
> To replicate and simplify the problem I create a simple Web Service with only one service
and two methods with the same environment of the production server.
> RequestMethods.class:
> package test;
> import beans.Request1Response;
> import beans.Request2Response;
> public class RequestMethods {
>     public Request1Response request1() {
>         Request1Response output = new Request1Response();
>         try {
>             Thread.sleep(10 * 1000);
>         } catch (InterruptedException e) {
>             e.printStackTrace();
>         }
>         output.setError_code(1);
>         output.setError_msg("message1");
>         return output;
>     }
>     public Request2Response request2() {
>         Request2Response output = new Request2Response();
>         output.setError_code(2);
>         output.setError_msg("message2");
>         return output;
>     }
> }
> services.xml:
> <service name="RequestMethods">
>     <Description>
>         Concurrent Requests test
>     </Description>
>     <messageReceivers>
>         <messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only" class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver"
/>
>         <messageReceiver  mep="http://www.w3.org/2004/08/wsdl/in-out"  class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>
>     </messageReceivers>
>     <parameter name="ServiceClass" locked="false">test.RequestMethods</parameter>
> </service>
> I've made a request for request1 and before this one returns, made another request for
request2.
> The result for request1 (the first request but the second obtained response because of
the sleep of 10 seconds) was:
> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
>    <soapenv:Body>
>       <ns:request2Response xmlns:ns="http://test/xsd">
>          <ns:return>
>             <error_code xmlns="http://beans/xsd">1</error_code>
>             <error_msg xmlns="http://beans/xsd">message1</error_msg>
>          </ns:return>
>       </ns:request2Response>
>    </soapenv:Body>
> </soapenv:Envelope>
> The result for request2 (the second request but the first obtained response) was:
> <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
>    <soapenv:Body>
>       <ns:request2Response xmlns:ns="http://test/xsd">
>          <ns:return>
>             <error_code xmlns="http://beans/xsd">2</error_code>
>             <error_msg xmlns="http://beans/xsd">message2</error_msg>
>          </ns:return>
>       </ns:request2Response>
>    </soapenv:Body>
> </soapenv:Envelope>
> As you can see above, the response for request1 it should be of type request1Response
but it's from request2Response instead.
> Regards,
> João Conceição

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