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Jeremy_Bridges_'s avatar
Jeremy_Bridges_
Icon for Nimbostratus rankNimbostratus
Jun 21, 2007

EventNotification Web Service in SDK not working

In an attempt to get event notification to work correctly, I placed a copy of the SDK's example EventNotification web service on a IIS server. We only use Visual Studio 2005 here so I did convert the project to ASP.NET 2.0 before posting it. I then created a subscription pointed to the URL of the new web service and listening for EVENTTYPE_POOL_MEMBER events.

 

 

However, when I changed the status of one of the pool members, it failed to invoke the web service properly. I know this because it is designed to send an email message when it is invoked. Invoking the web service from within a Windows app works fine. Looking in the /var/log/LTM file on the BIG-IP I found the following error message:

 

 

Notification attempt to consumer id 73E66D18-1974-F119-9455-5E7A13B5C5A4 FAILED with error SOAP Fault: Server

 

did not recognize the value of HTTP Header SOAPAction: urn:iControl:Management/EventNotificationevents_occurred..

 

 

What should I look into? Is my web service constructed incorrectly?
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  • Joe_Pruitt's avatar
    Joe_Pruitt
    Jun 21, 2007
    There must be something that has changed since VS.Net 2003. Try modifying the Action attribute on the events_occurred method call in the EventNotification.asmx.cs file from

    [WebMethod]
[System.Web.Services.Protocols.SoapRpcMethodAttribute(
"urn:iControl:Management/EventNotification",
RequestNamespace="urn:iControl:Management/EventNotification",
ResponseNamespace="urn:iControl:Management/EventNotification",
Action="urn:iControl:Management/EventNotification")]
public override void
events_occurred
(
ManagementEventNotificationEventSource event_source,
string subscription_id,
ManagementEventNotificationEventData[] event_data_list,
CommonTimeStamp time_stamp
)

    to

    [WebMethod]
[System.Web.Services.Protocols.SoapRpcMethodAttribute(
"urn:iControl:Management/EventNotification",
RequestNamespace="urn:iControl:Management/EventNotification",
ResponseNamespace="urn:iControl:Management/EventNotification",
Action="urn:iControl:Management/EventNotificationevents_occurred")]
public override void
events_occurred
(
ManagementEventNotificationEventSource event_source,
string subscription_id,
ManagementEventNotificationEventData[] event_data_list,
CommonTimeStamp time_stamp
)

    And see if that clears things up. If so, I'll get the fix included in the next rev of the SDK.

    -Joe

  • Jeremy_Bridges_'s avatar
    Jeremy_Bridges_
    Icon for Nimbostratus rankNimbostratus
    Jun 22, 2007
    Actually it looks like the SoapRpcMethodAttribute tag did not have an Action attribute at all. I have added your new version and I am testing now. I will let you know how it goes.

     

     

    Thanks :D
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