[Mule] エラーハンドリング・サンプル

mule-config_errorhandling.xml

  <flow name="GetFlow">
    <http:listener config-ref="HTTP_Listener_Configuration" path="/" doc:name="Recieve HTTP request" allowedMethods="GET">
      <http:response-builder reasonPhrase="#[flowVars['reason']]" statusCode="#[flowVars['statusCode']]"/>
    </http:listener>
    <db:select config-ref="Oracle_Configuration" doc:name="Perform a query in Database">
      <db:dynamic-query><![CDATA[select NAME, VALUE from TEST
        where NAME = #[message.inboundProperties['name']]></db:dynamic-query>
    </db:select>
    <json:object-to-json-transformer doc:name="Convert Object to JSON"/>

    <choice-exception-strategy doc:name="Choice Exception Strategy">
      <catch-exception-strategy doc:name="Catch Exception Strategy"
          when="#[exception.causedBy(org.mule.module.db.internal.domain.connection.ConnectionCreationException)]">
          <set-variable variableName="statusCode" value="500" doc:name="Set status code"/>
          <set-variable variableName="reason" value="Internal Server Error" doc:name="Set reason phrase"/>
      </catch-exception-strategy>

      <catch-exception-strategy doc:name="Catch Exception Strategy"
          when="#[exception.causedBy(java.sql.SQLSyntaxErrorException)]">
          <set-variable variableName="statusCode" value="400" doc:name="Set status code"/>
          <set-variable variableName="reason" value="Bad Request" doc:name="Set reason phrase"/>
      </catch-exception-strategy>

    </choice-exception-strategy>
  </flow>