Re: [Axis2] Exception when sending with ServiceClient

Tue, 11 Jul 2006 07:10:13 -0700

Good Morning John-

What is the URL (assume this is the endpoint)?
Where is the declaration for requestTransport (parameter to sendReceive?)
You left out the last statement so we can see the String representation of the response (which is System.out.println(writer.toString); )
 
XML config files-
My understanding is that you need do need Axis configuration axis2.xml wrapped in aar (Axis Jar) to deploy to Working AXIS2 servlet
code takes precedence over statically configured xml file
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----- Original Message -----
Sent: Tuesday, July 11, 2006 9:31 AM
Subject: Re: [Axis2] Exception when sending with ServiceClient

Martin,
 
The method that I am calling is correct.  It is not sendAndRecieve() as you were thinking.  The API docs state online as well as in my IDE state the method is sendRecieve().  Also, I have correctly instantiated The ServiceClient object correctly.  I am also setting the options on the object. Sample code is below from the class that I have written.
 
Options options = new Options();
  options.setTo(new EndpointReference(url.toString()));
  options.setProperty(MessageContextConstants.CHUNKED, Constants.VALUE_FALSE);
  options.setTransportInProtocol(Constants.TRANSPORT_HTTP);
 
  ServiceClient sender = new ServiceClient();
  sender.setOptions(options);
  
  // Blocking invocation
  QName q = new QName(requestElement.getNamespace().getName(),
    requestElement.getLocalName() , requestElement.getNamespace().getPrefix());
  sender.engageModule(q);
  responseElement = sender.sendReceive(requestElement);
  sender.disEngageModule(new QName(requestElement.getNamespace().getName(),
    requestElement.getLocalName() , requestElement.getNamespace().getPrefix()));
  StringWriter writer = new StringWriter();
  responseElement.serialize(XMLOutputFactorynewInstance().createXMLStreamWriter(
    writer));
  writer.flush();
 
The one question that I do have is since I am only using Axis to formulate the SOAP wrapper, not performing full-blown webservices, do I need config files in my webapp:  axis2.xml, services.xml, and module.xml??
 
Thanks for all of your continued help on this matter with me!
 
John

>>> [EMAIL PROTECTED] 07/10/06 4:40 PM >>>
Going up the call stack
check 2 things
-check spelling on serviceClient.sendReceive() I think you may have mis-spelled the method name
-as you are experiencing errors in both sendReceive and engageodule() methods make sure you have properly instantiated serviceClient beforehand
check the ServiceClient sender = new ServiceClient()
for  null
 
Martin--
 
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----- Original Message -----
Sent: Monday, July 10, 2006 4:28 PM
Subject: Re: [Axis2] Exception when sending with ServiceClient

Martin,
 
When I have decompiled the code (via Eclipse plugin), it is in the attached message.  But I cannot say for sure since Eclipse is not giving me line numbers.  When I paste the code into a text editor and goto that line, its a different method all together.  I've copied the method and attached in the email.  Any suggestions??
 
John

>>> [EMAIL PROTECTED] 07/10/06 1:57 PM >>>
John-
 
Can we see AxisService..line 395 specifically

Thanks
M-
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----- Original Message -----
Sent: Monday, July 10, 2006 2:24 PM
Subject: Re: [Axis2] Exception when sending with ServiceClient

Martin,
 
When I tried adding the engageMode() method that you were inquiring about, the following exception was thrown: - John
 
 Module not found org.apache.axis2.description.AxisService.engageModule(AxisService.java:395) org.apache.axis2.client.ServiceClient.engageModule(ServiceClient.java:279) com.alliantenergy.soap.SoapClient.sendRecieve(SoapClient.java:105) com.alliantenergy.soap.SoapClient.sendSoapMsg(SoapClient.java:80) com.alliantenergy.soap.SoapClient.postSoapMessage(SoapClient.java:37) org.apache.jsp.ProcessSOAPMessage_jsp._jspService(ProcessSOAPMessage_jsp.java:148) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137) javax.servlet.http.HttpServlet.service(HttpServlet.java:853) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) javax.servlet.http.HttpServlet.service(HttpServlet.java:853) org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247) org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193) org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValvejava:256) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) org.apache.catalina.core.StandardContextValve.invoke(StandardContextValvejava:191) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417) org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641) org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174) org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643) org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480) org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995) org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:193) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781) org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549) org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:589) org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:666) java.lang.Thread.run(Thread.java:536)


>>> [EMAIL PROTECTED] 07/10/06 10:02 AM >>>
Martin,
 
Could you give an example of what you mean?  I'm a little unsure of what the parameter should be for the engageModule() method? 
 
John

>>> [EMAIL PROTECTED] 07/10/06 9:35 AM >>>
Good Morning John-

Sounds like perhaps a double submit
Did you try to limit execution scope engageModule
perform sendAndReceive
and then disengageModule ??

Martin --
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----- Original Message -----
Sent: Monday, July 10, 2006 10:14 AM
Subject: [Axis2] Exception when sending with ServiceClient

Good Morning,
 
Has anyone seen this exception when trying to perform a sendRecieve() on the ServiceClient object??  It would be greatly appreciated if I could get this resolved.
 
John
 

06 Jul 2006 15:54:40 [ProcessSOAPMessage$jsp] ERROR soap  - Can not output XML declaration, after other output has already been done.; nested exception is:
 javax.xml.stream.XMLStreamException: Can not output XML declaration, after other output has already been done.; nested exception is:
 org.apache.axis2.AxisFault: Can not output XML declaration, after other output has already been done.; nested exception is:
 javax.xml.stream.XMLStreamException: Can not output XML declaration, after other output has already been done.; nested exception is:
 org.apache.axis2.AxisFault: Can not output XML declaration, after other output has already been done.; nested exception is:
 javax.xml.stream.XMLStreamException: Can not output XML declaration, after other output has already been done.; nested exception is:
 org.apache.axis2.AxisFault: Can not output XML declaration, after other output has already been done.; nested exception is:
 javax.xml.stream.XMLStreamException: Can not output XML declaration, after other output has already been done.; nested exception is:
 org.apache.axis2.AxisFault: Can not output XML declaration, after other output has already been done.; nested exception is:
 javax.xml.stream.XMLStreamException: Can not output XML declaration, after other output has already been done.; nested exception is:
 org.apache.axis2.AxisFault: Can not output XML declaration, after other output has already been done.; nested exception is:
 javax.xml.stream.XMLStreamException: Can not output XML declaration, after other output has already been done.; nested exception is:
 org.apache.axis2.AxisFault: Can not output XML declaration, after other output has already been done.; nested exception is:
 javax.xml.stream.XMLStreamException: Can not output XML declaration, after other output has already been done.; nested exception is:
 org.apache.axis2.AxisFault: Can not output XML declaration, after other output has already been done.; nested exception is:
 javax.xml.stream.XMLStreamException: Can not output XML declaration, after other output has already been done.

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