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  1. #1
    Senior Member
    Join Date
    Oct 2007
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    HoChiMinh
    Posts
    69

    Unhappy Error : Caught exception: Found value '0' of an unsupported type while building a UD3

    Hi,
    I modified something in StockList demo, and run it. I don't know what error?
    Here "DotNetServer.log" :
    ---------
    2008-03-18 15:41:14,359 [1748] INFO Lightstreamer.DotNet.Server.ServerMain [(null)] - Lightstreamer .NET Adapter Server starting...
    2008-03-18 15:41:14,578 [1748] INFO Lightstreamer.DotNet.Server.NetworkedServerStarter [(null)] - Connecting...
    2008-03-18 15:41:14,593 [1748] INFO Lightstreamer.DotNet.Server.NetworkedServerStarter [(null)] - Connected
    2008-03-18 15:41:14,609 [1748] INFO Lightstreamer.DotNet.Server.ServerMain [(null)] - Lightstreamer .NET Adapter Server running
    2008-03-18 15:41:15,234 [5560] INFO Lightstreamer.DotNet.Server.NetworkedServerStarter [(null)] - Connecting...
    2008-03-18 15:41:15,250 [5560] INFO Lightstreamer.DotNet.Server.NetworkedServerStarter [(null)] - Connected
    2008-03-18 15:41:15,265 [5560] INFO Lightstreamer.DotNet.Server.ServerMain [(null)] - Lightstreamer .NET Adapter Server running
    2008-03-18 15:42:04,453 [5012] ERROR Lightstreamer.DotNet.Server.DataProviderServer [(null)] - Caught exception: Found value '0' of an unsupported type while building a UD3 request, trying to notify a failure...
    Lightstreamer.DotNet.Server.RemotingException: Found value '0' of an unsupported type while building a UD3 request
    at Lightstreamer.DotNet.Server.DataProviderProtocol.W riteUpdateByMap(String itemName, String requestID, IDictionary itemEvent, Boolean isSnapshot)
    at Lightstreamer.DotNet.Server.DataProviderServerImpl .Update(String itemName, IDictionary itemEvent, Boolean isSnapshot)
    2008-03-18 15:42:04,750 [3468] ERROR Lightstreamer.DotNet.Server.DataProviderServer [(null)] - Caught exception: Found value '0' of an unsupported type while building a UD3 request, trying to notify a failure...
    Lightstreamer.DotNet.Server.RemotingException: Found value '0' of an unsupported type while building a UD3 request
    at Lightstreamer.DotNet.Server.DataProviderProtocol.W riteUpdateByMap(String itemName, String requestID, IDictionary itemEvent, Boolean isSnapshot)
    at Lightstreamer.DotNet.Server.DataProviderServerImpl .Update(String itemName, IDictionary itemEvent, Boolean isSnapshot)
    2008-03-18 15:42:04,796 [1648] ERROR Lightstreamer.DotNet.Server.DataProviderServer [(null)] - Caught exception: Found value '0' of an unsupported type while building a UD3 request, trying to notify a failure...

    Can u help me?

  2. #2
    Administrator
    Join Date
    Jul 2006
    Location
    Milan
    Posts
    975
    The reported '0' value is probably a number.
    This is not allowed by the "Update" interface specifications, which only allow string objects or byte arrays as field values.
    This is considered as a fatal error for Lightstreamer, as type constraints should be checked and enforced by the Data Adapter.

  3. #3
    Senior Member
    Join Date
    Oct 2007
    Location
    HoChiMinh
    Posts
    69
    I'm sorry, last time i have the same error like this and you helped me. I forgot.
    Thanks Dario.

 

 

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