有时当我使用Callout mediator时，如果我之前在序列中进行了之前的调用/标注，我会收到此消息。 这是我收到的消息：ERROR_CODE = 0，ERROR_MESSAGE =执行callout操作时出错。 在代理中使用链接时尤其会发生这种情况。
<?xml version="1.0" encoding="UTF-8"?>
<proxy xmlns="http://ws.apache.org/ns/synapse"
name="InsChildCustomer"
transports="https,http"
statistics="disable"
trace="disable"
startOnLoad="true">
<target>
<inSequence>
<log level="full" separator=", ***********Incoming###########"/>
<property name="originalMessage"
expression="$body"
scope="default"
type="OM"/>
<property xmlns:cus="http://www.example.org/customerWSO2/"
name="SNIPPMessage"
expression="$body/cus:insertChildCustToNSRequest"
scope="default"
type="OM"/>
<sequence key="conf:/resources/sequences/InsChildCustomerHeaderSeq.xml"/>
<filter xmlns:cus="http://www.example.org/customerWSO2/"
source="boolean(//cus:insertChildCustToNSRequest/cus:childCustData/cus:customerContacts/cus:customerContact[1]/cus:email)"
regex="true">
<then>
<property name="customerContacts"
expression="//cus:insertChildCustToNSRequest/cus:childCustData/cus:customerContacts"
scope="default"
type="OM"/>
</then>
<else>
<property name="noContacts" value="1" scope="default" type="INTEGER"/>
</else>
</filter>
<header name="Action" scope="default" value="addList"/>
<payloadFactory media-type="xml">
<format>
<addressbook xmlns=""
xmlns:platformCommon="urn:common_2015_1.platform.webservices.NS.com"
xmlns:listRel="urn:relationships_2015_1.lists.webservices.NS.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:platformCore="urn:core_2015_1.platform.webservices.NS.com"
xsi:type="listRel:CustomerAddressbook">
<defaultBilling>$1</defaultBilling>
<defaultShipping>$2</defaultShipping>
<addressbookAddress xsi:type="platformCommon:Address">
<addr1>$3</addr1>
<addr2>$4</addr2>
<addr3>$5</addr3>
<customFieldList>
<customField scriptId="custrecord_addr_4"
xsi:type="platformCore:StringCustomFieldRef">
<value>$6</value>
</customField>
</customFieldList>
<city>$7</city>
<state>$8</state>
<zip>$9</zip>
<country>$10</country>
</addressbookAddress>
</addressbook>
</format>
<args>
<arg evaluator="xml" expression="//cus:billingaddressindicator/text()"/>
<arg evaluator="xml" expression="//cus:shippingaddressindicator/text()"/>
<arg evaluator="xml" expression="//cus:addr1/text()"/>
<arg evaluator="xml" expression="//cus:addr2/text()"/>
<arg evaluator="xml" expression="//cus:addr3/text()"/>
<arg evaluator="xml" expression="//cus:custrecord_addr_4/text()"/>
<arg evaluator="xml" expression="//cus:city/text()"/>
<arg evaluator="xml" expression="//cus:state/text()"/>
<arg evaluator="xml" expression="//cus:zip/text()"/>
<arg evaluator="xml" expression="//cus:country/text()"/>
</args>
</payloadFactory>
<send>
<endpoint key="conf:/resources/endpoints/NSEndpoint.xml"/>
</send>
</inSequence>
<outSequence>
<header xmlns:platformMsgs="urn:messages_2015_1.platform.webservices.NS.com"
name="platformMsgs:documentInfo"
scope="default"
action="remove"/>
<property xmlns:platformMsgs="urn:messages_2015_1.platform.webservices.NS.com"
xmlns:platformCore="urn:core_2015_1.platform.webservices.NS.com"
name="isSuccess"
expression="//addListResponse/platformMsgs:writeResponseList/platformMsgs:writeResponse/platformCore:status/@isSuccess"
scope="default"
type="STRING"/>
<filter xmlns:platformMsgs="urn:messages_2015_1.platform.webservices.NS.com"
xmlns:platformCore="urn:core_2015_1.platform.webservices.NS.com"
source="//addListResponse/platformMsgs:writeResponseList/platformMsgs:writeResponse/platformCore:status/@isSuccess"
regex="true">
<then>
<log level="full" separator=", *******before_iterator********"/>
<property name="customerInternalId"
expression="//addListResponse/platformMsgs:writeResponseList/platformMsgs:writeResponse/platformMsgs:baseRef/@internalId"
scope="default"
type="STRING"/>
<header name="platformMsgs:platformMsgs:documentInfo"
scope="default"
action="remove"/>
<property name="type"
expression="//addListResponse/platformMsgs:writeResponseList/platformMsgs:writeResponse/platformMsgs:baseRef/@type"
scope="default"
type="STRING"/>
<payloadFactory media-type="xml">
<format>
<urn:get xmlns:urn="urn:messages_2015_1.platform.webservices.NS.com"
xmlns:urn1="urn:core_2015_1.platform.webservices.NS.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<urn:baseRef internalId="$1" type="customer" xsi:type="urn1:RecordRef">
<urn1:name/>
</urn:baseRef>
</urn:get>
</format>
<args>
<arg evaluator="xml" expression="get-property('customerInternalId')"/>
</args>
</payloadFactory>
<header name="Action" scope="default" value="get"/>
<sequence key="conf:resources/sequences/customerAddPassport.xml"/>
<sequence key="conf:resources/sequences/customerAddPreferences.xml"/>
<callout endpointKey="conf:/resources/endpoints/NSEndpoint.xml">
<endpoint name="NSEndpoint">
<address uri="https://webservices.sandbox.NS.com/services/NSPort_2015_1"/>
</endpoint>
<source type="envelope"/>
<target xpath="$body/*"/>
</callout>
<property xmlns:ns="urn:messages_2015_1.platform.webservices.NS.com"
xmlns:listRel="urn:relationships_2015_1.lists.webservices.NS.com"
name="customerEntityId"
expression="//ns:getResponse/ns:readResponse/ns:record/listRel:entityId"
scope="default"
type="STRING"/>
<log level="full" separator=", After_Get"/>
<property name="OUT_ONLY" value="true" scope="default" type="STRING"/>
<payloadFactory media-type="xml">
<format>
<cus:insertChildCustToNSRequest xmlns:cus="http://www.example.org/customerWSO2/">$1
<cus:transactionid>$2</cus:transactionid>
<InternalID xmlns="">$3</InternalID>
</cus:insertChildCustToNSRequest>
</format>
<args>
<arg xmlns:cus="http://www.example.org/customerWSO2/"
evaluator="xml"
expression="$ctx:SNIPPMessage//cus:childCustData"/>
<arg xmlns:cus="http://www.example.org/customerWSO2/"
evaluator="xml"
expression="$ctx:SNIPPMessage//cus:transactionid"/>
<arg evaluator="xml" expression="get-property('customerInternalId')"/>
</args>
</payloadFactory>
<header xmlns:urn="urn:messages_2015_1.platform.webservices.NS.com"
name="urn:passport"
scope="default"
action="remove"/>
<header xmlns:urn="urn:messages_2015_1.platform.webservices.NS.com"
name="urn:preferences"
scope="default"
action="remove"/>
<log level="full" separator=", before SNIPP CALL"/>
<call>
<endpoint key="conf:/resources/endpoints/Teacher.QEndpoint.xml"/>
</call>
<property name="OUT_ONLY" value="false" scope="default" type="STRING"/>
<property name="DISABLE_CHUNKING"
value="false"
scope="axis2"
type="STRING"/>
<property name="messageType" value="text/xml" scope="axis2" type="STRING"/>
<property name="ContentType" value="text/xml" scope="axis2" type="STRING"/>
<filter source="get-property('noContacts')" regex="1">
<then>
<log level="full" separator=", *******without_contacts********"/>
<enrich>
<source type="inline" clone="true">
<insertChildCustToNSResponse xmlns="">
<Type/>
<Status/>
<CustomerInternalId/>
<CustomerEntityId/>
<ContactInternalId>N.A.</ContactInternalId>
</insertChildCustToNSResponse>
</source>
<target type="body"/>
</enrich>
<enrich>
<source type="property" clone="true" property="type"/>
<target xpath="//insertChildCustToNSResponse/Type"/>
</enrich>
<enrich>
<source type="property" clone="true" property="isSuccess"/>
<target xpath="//insertChildCustToNSResponse/Status"/>
</enrich>
<enrich>
<source type="property" clone="true" property="customerInternalId"/>
<target xpath="//insertChildCustToNSResponse/CustomerInternalId"/>
</enrich>
<enrich>
<source type="property" clone="true" property="customerEntityId"/>
<target xpath="//insertChildCustToNSResponse/CustomerEntityId"/>
</enrich>
</then>
<else>
<log level="full" separator=", *******with_contacts********"/>
<drop/>
</else>
</filter>
</then>
<else>
<log level="full" separator=", From false###########"/>
<property name="errorCode"
expression="//addListResponse/platformMsgs:writeResponseList/platformMsgs:writeResponse/platformCore:status/platformCore:statusDetail/platformCore:code"
scope="default"
type="STRING"/>
<property name="errorMessage"
expression="//addListResponse/platformMsgs:writeResponseList/platformMsgs:writeResponse/platformCore:status/platformCore:statusDetail/platformCore:message"
scope="default"
type="STRING"/>
<enrich>
<source type="inline" clone="true">
<insertChildCustToNSResponse xmlns="">
<Status/>
<ErrorCode/>
<ErrorMessage/>
</insertChildCustToNSResponse>
</source>
<target type="body"/>
</enrich>
<enrich>
<source type="property" clone="true" property="isSuccess"/>
<target xpath="//insertChildCustToNSResponse/Status"/>
</enrich>
<enrich>
<source type="property" clone="true" property="errorCode"/>
<target xpath="//insertChildCustToNSResponse/ErrorCode"/>
</enrich>
<enrich>
<source type="property" clone="true" property="errorMessage"/>
<target xpath="//insertChildCustToNSResponse/ErrorMessage"/>
</enrich>
</else>
</filter>
<send/>
</outSequence>
</target>
<publishWSDL key="conf:/resources/wsdls/Customer.wsdl"/>
<parameter name="serviceType">proxy</parameter>
<description/>
</proxy>
<?xml version="1.0" encoding="UTF-8"?>
<proxy xmlns="http://ws.apache.org/ns/synapse"
name="ChildCustomerToSnipp"
transports="jms"
statistics="disable"
trace="disable"
startOnLoad="true">
<target>
<inSequence>
<property xmlns:ns="http://org.apache.synapse/xsd"
name="customerInternalId"
expression="//InternalID"/>
<log level="full" separator="**Consumed from IN MQ before Seq**"/>
<sequence key="ConvertCustomerSoapToJSONSeq"/>
</inSequence>
<outSequence>
<log level="full" separator="**Consumed from OUT Seq**"/>
<property xmlns:ns="http://org.apache.synapse/xsd"
name="snippMemberId"
expression="json-eval($.Data)"/>
<log level="custom" separator="**From Out Seq before Update**">
<property xmlns:ns="http://org.apache.synapse/xsd"
name="DataProperty"
expression="get-property('snippMemberId')"/>
<property xmlns:ns="http://org.apache.synapse/xsd"
name="customerInternalId"
expression="get-property('customerInternalId')"/>
</log>
<sequence key="UpdateSnippMemeber"/>
</outSequence>
</target>
<parameter name="transport.jms.ContentType">text/xml</parameter>
<parameter name="transport.jms.Destination">Teacher.Q</parameter>
<description/>
</proxy>