rest - 如何在 WSO2 ESB 中实现虚拟 REST API

Question

我一直在尝试在 WSO2 ESB 中实现一个简单的心跳 REST API，但无法得到响应。下面是API

<api xmlns="http://ws.apache.org/ns/synapse" name="HealthCheckAPI" context="/HealthCheck">
   <resource methods="GET" url-mapping="/status" faultSequence="fault">
      <inSequence>
         <payloadFactory media-type="json">
            <format>{"Status":"OK"}</format>
            <args></args>
         </payloadFactory>
         <log>
            <property name="JSON-Payload" expression="json-eval($.)"></property>
         </log>
         <property name="messageType" value="application/json" scope="axis2" type="STRING"></property>
         <respond></respond>
      </inSequence>
   </resource>
</api>

当我 curl API 时，响应长度为零。可能有什么问题？

curl -v http://localhost:8280/HealthCheck/status

Answer 1

您需要设置以下属性。

<property name="NO_ENTITY_BODY" scope="axis2" action="remove"></property>

请找到工作示例

<api xmlns="http://ws.apache.org/ns/synapse" name="HealthCheckAPI" context="/HealthCheck">
   <resource methods="GET" url-mapping="/status" faultSequence="fault">
      <inSequence>

         <payloadFactory media-type="json">
            <format>{"Status":"OK"}</format>
            <args></args>
         </payloadFactory>
         <log>
            <property name="JSON-Payload" expression="json-eval($.)"></property>
         </log>

         <property name="NO_ENTITY_BODY" scope="axis2" action="remove"></property>
         <property name="messageType" value="application/json" scope="axis2" type="STRING"></property>
         <respond></respond>
      </inSequence>
   </resource>
</api>