我從我的Web服務中得到以下未處理的異常 - 這與我的代碼無關,它僅在間歇性時發生多次異步調用服務器。我已經包含了我返回的代碼響應對象,以及這是唯一返回的東西(因此泛型響應是String的List)。 有沒有人知道爲什麼Web服務可能會拋出此問題?Web服務調用導致System.Xml.XmlException異常:'。',十六進制值0x00
整個堆棧跟蹤:
System.Xml.XmlException: '.', hexadecimal value 0x00, is an invalid character. Line 4, position -88.
at System.Xml.XmlTextReaderImpl.Throw(Exception e)
at System.Xml.XmlTextReaderImpl.Throw(String res, String[] args)
at System.Xml.XmlTextReaderImpl.Throw(Int32 pos, String res, String[] args)
at System.Xml.XmlTextReaderImpl.ThrowInvalidChar(Int32 pos, Char invChar)
at System.Xml.XmlTextReaderImpl.ParseNumericCharRefInline(Int32 startPos, Boolean expand, BufferBuilder internalSubsetBuilder, Int32& charCount, EntityType& entityType)
at System.Xml.XmlTextReaderImpl.ParseText(Int32& startPos, Int32& endPos, Int32& outOrChars)
at System.Xml.XmlTextReaderImpl.ParseText()
at System.Xml.XmlTextReaderImpl.ParseElementContent()
at System.Xml.XmlTextReaderImpl.Read()
at System.Xml.XmlTextReader.Read()
at System.Xml.XmlReader.ReadElementString()
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderPartsLibraryService.Read29_GenericResponseOfListOfString(Boolean isNullable, Boolean checkType)
at Microsoft.Xml.Serialization.GeneratedAssembly.XmlSerializationReaderPartsLibraryService.Read34_UploadPartsResponse()
at Microsoft.Xml.Serialization.GeneratedAssembly.ArrayOfObjectSerializer5.Deserialize(XmlSerializationReader reader)
at System.Xml.Serialization.XmlSerializer.Deserialize(XmlReader xmlReader, String encodingStyle, XmlDeserializationEvents events)
簡單的Response對象(僞):
Public Class GenericResponse(Of T)
Public Enum StateOptions
Private _result As T
Private _state As StateOptions
Private _msg As String
Public Property Result() As T
Public Property State() As StateOptions
Public Property Message() As String
End Class
我跑提琴手,但是這是唯一的非平常的結果我還沒有看到,但我不認爲這會導致我遇到的問題?
<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body><UploadPartsResponse xmlns="http://autovhc.co.uk/"><UploadPartsResult><Result><string>--------------------------------------------------
01/06/2011 14:38:33
Upsert Exception
Backend sent unrecognized response type: �
at Npgsql.NpgsqlState.<ProcessBackendResponses_Ver_3>d__a.MoveNext() in C:\projects\Npgsql2\src\Npgsql\NpgsqlState.cs:line 966
at Npgsql.ForwardsOnlyDataReader.GetNextResponseObject() in C:\projects\Npgsql2\src\Npgsql\NpgsqlDataReader.cs:line 1163
at Npgsql.ForwardsOnlyDataReader.GetNextRowDescription() in C:\projects\Npgsql2\src\Npgsql\NpgsqlDataReader.cs:line 1181
at Npgsql.ForwardsOnlyDataReader.NextResult() in C:\projects\Npgsql2\src\Npgsql\NpgsqlDataReader.cs:line 1367
at Npgsql.NpgsqlCommand.ExecuteNonQuery() in C:\projects\Npgsql2\src\Npgsql\NpgsqlCommand.cs:line 523
at VHC.Connections.DataAccess2.DataAccess.sqlNonQuery(NpgsqlCommand sqlCmd, Boolean closeConnection) in E:\svn_repository\vhc.server.solution\vhc.connections\Tags\v_3_0_0_5\New\ConnectionProxys\DataAccess.vb:line 119
at VHC.Connections.DataAccess2.DataAccess.sqlNonQuery(NpgsqlCommand sqlCmd) in E:\svn_repository\vhc.server.solution\vhc.connections\Tags\v_3_0_0_5\New\ConnectionProxys\DataAccess.vb:line 97
at PartsLibServerSideClasses.DAO.PLM_PsaFormat_DAO.Update(PartLibraryPartTO part, Int32 entityref, NpgsqlConnection conn) in C:\Applications\PartsImporter\Import_Library-Stable\PartsLibServerSideClasses\DAO\PSA\PLM_PsaFormat_DAO.vb:line 61
at PartsLibServerSideClasses.DAO.PLM_PsaFormat_DAO.Upsert(PartLibraryPartTO part, Int32 entityref) in C:\Applications\PartsImporter\Import_Library-Stable\PartsLibServerSideClasses\DAO\PSA\PLM_PsaFormat_DAO.vb:line 21
at PartsLibServerSideClasses.Parsing.PartsLibraryManager.SubmitPartToLibrary(PartLibraryPartWorkSegmentContainer partContainer) in C:\Applications\PartsImporter\Import_Library-Stable\PartsLibServerSideClasses\BOL\PartsLibraryManager.vb:line 70
</string></Result><State>Fail</State></UploadPartsResult></UploadPartsResponse></soap:Body></soap:Envelope>
你有文字形式的回覆嗎? – abatishchev 2011-05-31 09:49:53
我看不到任何可能導致此問題的事情......有沒有人遇到過這個問題? – 2011-06-07 13:43:44
如果它不是你的代碼,那麼可能是因爲你的代碼正在調用? – 2011-06-07 14:53:24