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Date: Tue, 8 May 2007 09:35:15 -0700 (PDT)
From: "Deepal Jayasinghe (JIRA)" <jira@apache.org>
To: axis-dev@ws.apache.org
Subject: [jira] Commented: (AXIS2-2231) not able to call a service from
 another service
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    [ https://issues.apache.org/jira/browse/AXIS2-2231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12494336 ] 

Deepal Jayasinghe commented on AXIS2-2231:
------------------------------------------

I have a set of sample in [1] , have a look at sample5

[1] http://people.apache.org/~deepal/aceu07/samples/

Thanks
Deepal

> not able to call a service from another service
> -----------------------------------------------
>
>                 Key: AXIS2-2231
>                 URL: https://issues.apache.org/jira/browse/AXIS2-2231
>             Project: Axis 2.0 (Axis2)
>          Issue Type: Bug
>         Environment: windows xp 
>            Reporter: Shree Rangan
>         Attachments: JaguarClient.java, JaguarService.java, SecondService.java
>
>
>         I have a POJO exposed as a Webservice using Axis2. I have tested this service using RPCServiceClient and it works fine. This service needs to talk to other services which are also POJO's exposed as Webservices using Axis2. The other services also work fine when invoked by RPCServiceClient mechanism. But if I invoke those services from my Axis2 service using the same mechanism of RPCServiceClient mechanism, it gives me the following exception. 
> java.lang.reflect.InvocationTargetException
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 	at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic(RPCMessageReceiver.java:118)
> 	at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(AbstractInOutSyncMessageReceiver.java:39)
> 	at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:493)
> 	at org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:319)
> 	at org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:247)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
> 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
> 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
> 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
> 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
> 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
> 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
> 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
> 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
> 	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
> 	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
> 	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
> 	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
> 	at java.lang.Thread.run(Thread.java:595)
> Caused by: java.lang.NullPointerException
> 	at org.apache.axis2.context.MessageContext.isHeaderPresent(MessageContext.java:1054)
> 	at org.apache.axis2.handlers.addressing.AddressingInHandler.invoke(AddressingInHandler.java:72)
> 	at org.apache.axis2.engine.Phase.invoke(Phase.java:381)
> 	at org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:518)
> 	at org.apache.axis2.engine.AxisEngine.receiveFault(AxisEngine.java:596)
> 	at org.apache.axis2.description.RobustOutOnlyAxisOperation$RobustOperationClient.send(RobustOutOnlyAxisOperation.java:99)
> 	at org.apache.axis2.description.OutInAxisOperationClient.execute(OutInAxisOperation.java:295)
> 	at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:453)
> 	at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:380)
> 	at org.apache.axis2.rpc.client.RPCServiceClient.invokeRobust(RPCServiceClient.java:131)
> 	at sample.pojo.service.JaguarService.meth2(Unknown Source)
> 	... 25 more
> here, i am calling meth2(the first service) from the client using RPCServiceClient. 
> from meth2 i am calling meth3(the second service) using RPCServiceClient again. 
> the services work fine independently, when invoked from within a client. 
> the exception is only when the second service is invoked from within another service. 

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