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平衡我使用WSO2 ESB和負載均衡的概念與服務隊，但我有一個錯誤，這是我的代碼：使用負載wso2esb
<proxy xmlns="http://ws.apache.org/ns/synapse" name="MultiAdd" transports="https,http" statistics="disable" trace="disable" startOnLoad="true">
<target>
<inSequence>
<log level="full"/>
<log level="full" category="FATAL"/>
<property xmlns:tem="http://tempuri.org/" name="AParam" expression="//tem:SumSerVise/tem:a" scope="default" type="INTEGER"/>
<property xmlns:tem="http://tempuri.org/" name="BParam" expression="//tem:SumSerVise/tem:b" scope="default" type="INTEGER"/>
<log level="custom">
<property name="AParam" expression="$ctx:AParam"/>
<property name="BParam" expression="$ctx:BParam"/>
</log>
<payloadFactory>
<format>
<p:SumSerVise xmlns:p="http://tempuri.org/">
<!--Exactly 1 occurrence-->
<s:a xmlns:s="http://tempuri.org/">$1</s:a>
<!--Exactly 1 occurrence-->
<s:b xmlns:s="http://tempuri.org/">$2</s:b>
</p:SumSerVise>
</format>
<args>
<arg expression="$ctx:AParam"/>
<arg expression="$ctx:BParam"/>
</args>
</payloadFactory>
<log level="full"/>
<send receive="SeqOne">
<endpoint>
<address uri="http://D-N-PC-12071:8280/services/Add"/>
</endpoint>
</send>
</inSequence>
<outSequence>
<log level="full"/>
<send/>
</outSequence>
</target>
<publishWSDL>
<wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/" xmlns:tm="http://microsoft.com/wsdl/mime/textMatching/" xmlns:s="http://www.w3.org/2001/XMLSchema" xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" xmlns:tns="http://tempuri.org/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:mime="http://schemas.xmlsoap.org/wsdl/mime/" xmlns:soap12="http://schemas.xmlsoap.org/wsdl/soap12/" targetNamespace="http://tempuri.org/">
<wsdl:types>
<s:schema elementFormDefault="qualified" targetNamespace="http://tempuri.org/">
<s:element name="SumSerVise">
<s:complexType>
<s:sequence>
<s:element minOccurs="1" maxOccurs="1" name="a" type="s:int"/>
<s:element minOccurs="1" maxOccurs="1" name="b" type="s:int"/>
</s:sequence>
</s:complexType>
</s:element>
<s:element name="SumSerViseResponse">
<s:complexType>
<s:sequence>
<s:element minOccurs="1" maxOccurs="1" name="SumSerViseResult" type="s:int"/>
</s:sequence>
</s:complexType>
</s:element>
</s:schema>
</wsdl:types>
<wsdl:message name="SumSerViseSoapIn">
<wsdl:part name="parameters" element="tns:SumSerVise"/>
</wsdl:message>
<wsdl:message name="SumSerViseSoapOut">
<wsdl:part name="parameters" element="tns:SumSerViseResponse"/>
</wsdl:message>
<wsdl:portType name="ServiceSoap">
<wsdl:operation name="SumSerVise">
<wsdl:input message="tns:SumSerViseSoapIn"/>
<wsdl:output message="tns:SumSerViseSoapOut"/>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="ServiceSoap" type="tns:ServiceSoap">
<soap:binding transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="SumSerVise">
<soap:operation soapAction="http://tempuri.org/SumSerVise" 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="SumSerVise">
<soap12:operation soapAction="http://tempuri.org/SumSerVise" 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="http://localhost/SumServices/Service.asmx"/>
</wsdl:port>
<wsdl:port name="ServiceSoap12" binding="tns:ServiceSoap12">
<soap12:address location="http://localhost/SumServices/Service.asmx"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>
</publishWSDL>
<description></description>
</proxy>
，這是我的順序：
<sequence xmlns="http://ws.apache.org/ns/synapse" name="SeqOne">
<log level="full"/>
<property xmlns:ns="http://org.apache.synapse/xsd" xmlns:m0="http://tempuri.org/" name="CParam" expression="//m0:SumSerViseResponse/m0:SumSerViseResult" scope="default" type="INTEGER"/>
<log level="custom">
<property xmlns:ns="http://org.apache.synapse/xsd" name="CParam" expression="$ctx:CParam"/>
</log>
<payloadFactory>
<format>
<p:MultiService xmlns:p="http://tempuri.org/">
<!--Exactly 1 occurrence-->
<s:z xmlns:s="http://tempuri.org/">$1</s:z>
</p:MultiService>
</format>
<args>
<arg xmlns:ns="http://org.apache.synapse/xsd" expression="$ctx:CParam"/>
</args>
</payloadFactory>
<log level="full"/>
<send>
<endpoint>
<loadbalance algorithm="org.apache.synapse.endpoints.algorithms.RoundRobin">
<endpoint name="mt">
<address uri="http://D-N-PC-12071:8280/services/MultiService/MultiService"/>
</endpoint>
<endpoint name="KR">
<address uri="http://D-N-PC-12071:8280/services/Multi/MultiService"/>
</endpoint>
</loadbalance>
</endpoint>
</send>
</sequence>
當使用負載平衡其中一個服務返回值0和其他返回正確的值