为什么运行HelloWorld时Azure会给我500错误？

编程问答 2022-06-05

问题描述

  1. 我使用Visual Studio 2019以.Net标准创建了SOAP服务，请参见下面的代码

  2. 该服务具有HelloWorld函数，当使用邮递员查询时，该函数会正确返回“ Hello World”（请参见下面的查询）

  3. 我复制服务的WSDL并将其另存为.wsdl在我的桌面上（请参见下面的WSDL）

  4. 我已成功通过API管理将WSDL上传到Azure

  5. 运行HelloWorld函数时，出现500错误。为什么会这样？

Service.asmx：

Imports System.Web.Services
Imports System.ComponentModel

' To allow this Web Service to be called from script,using ASP.NET AJAX,uncomment the following line.
' <System.Web.Script.Services.ScriptService()> _
<System.Web.Services.WebService(Namespace:="http://mynamespace.com/")>
<System.Web.Services.WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
<ToolBoxItem(False)> _
Public Class Service
    Inherits System.Web.Services.WebService

    <WebMethod()> _
    Public Function HelloWorld() As String
        Return "Hello World"
    End Function

End Class

POST（http：// localhost：58904 / Service.asmx / HelloWorld）（返回“ Hello World”）

<?xml version="1.0" encoding="utf-8"?>
<Envelope xmlns="http://schemas.xmlsoap.org/soap/envelope/">
  <Body>
    <HelloWorld xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://mynamespace.com/" />
  </Body>
</Envelope>

WSDL 

<wsdl:deFinitions xmlns:tm="http://microsoft.com/wsdl/mime/textMatching/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:tns="http://mynamespace.com/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:s="http://www.w3.org/2001/XMLSchema" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" targetNamespace="http://mynamespace.com/">
<wsdl:types>
<s:schema elementFormDefault="qualified" targetNamespace="http://mynamespace.com/">
<s:element name="HelloWorld">
<s:complexType/>
</s:element>
<s:element name="HelloWorldResponse">
<s:complexType>
<s:sequence>
<s:element minOccurs="0" maxOccurs="1" name="HelloWorldResult" type="s:string"/>
</s:sequence>
</s:complexType>
</s:element>
</s:schema>
</wsdl:types>
<wsdl:message name="HelloWorldSoapIn">
<wsdl:part name="parameters" element="tns:HelloWorld"/>
</wsdl:message>
<wsdl:message name="HelloWorldSoapOut">
<wsdl:part name="parameters" element="tns:HelloWorldResponse"/>
</wsdl:message>
<wsdl:portType name="ServiceSoap">
<wsdl:operation name="HelloWorld">
<wsdl:input message="tns:HelloWorldSoapIn"/>
<wsdl:output message="tns:HelloWorldSoapOut"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="ServiceSoap" type="tns:ServiceSoap">
<soap:binding transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="HelloWorld">
<soap:operation soapAction="http://mynamespace.com/HelloWorld" style="document"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:binding name="ServiceSoap12" type="tns:ServiceSoap">
<soap12:binding transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="HelloWorld">
<soap12:operation soapAction="http://mynamespace.com/HelloWorld" style="document"/>
<wsdl:input>
<soap12:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap12:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="Service">
<wsdl:port name="ServiceSoap" binding="tns:ServiceSoap">
<soap:address location="https://localhost:44380/Service.asmx"/>
</wsdl:port>
<wsdl:port name="ServiceSoap12" binding="tns:ServiceSoap12">
<soap12:address location="https://localhost:44380/Service.asmx"/>
</wsdl:port>
</wsdl:service>
</wsdl:deFinitions>

错误

Unable to connect to the Remote Server
BackendConnectionFailure
Failed method: forward-request

解决方法

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