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I am getting below error as I have a HTTP requester node where we have a PUT call so there is no response body.

So while creating inbound response we get below error on Transform node.

Unable to parse empty input, while reading `payload` as Json

If I do a setPaylod like below with empty body then it works.

<set-payload value="#{}" doc:name="Set Payload" doc:id="4d3edefb-a8c4-43af-bfa4-4625f536509f" />

However I am looking for a solution to handle this in the transform node itself.Please let me know how to handle this in transform node in the best possible way ?

As part of settings we kept Total ttl=120 and Token ttl timeout unit= Seconds.

But after 120 seconds when client tries to use the expired access token, he is still able to by-pass the validation, where are our expectation is that Oauth2.0 validation should fail with error type 'OAUTH2-PROVIDER:TOKEN_UNAUTHORIZED'.

Please find below details configuration xml for reference.

Note:

As of now we are going with a workaround using component Revoke token, which we are applying it after specified time in async scope which is doing the job. But as per our understanding this is not an ideal solution.

Reference XML:

<mule

 xmlns:scripting="http://www.mulesoft.org/schema/mule/scripting"

 xmlns:oauth="http://www.mulesoft.org/schema/mule/oauth"

 xmlns:ee="http://www.mulesoft.org/schema/mule/ee/core"

 xmlns:os="http://www.mulesoft.org/schema/mule/os"

 xmlns:oauth2-provider="http://www.mulesoft.org/schema/mule/oauth2-provider"

 xmlns:http="http://www.mulesoft.org/schema/mule/http"

 xmlns="http://www.mulesoft.org/schema/mule/core"

 xmlns:doc="http://www.mulesoft.org/schema/mule/documentation"

 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

 xsi:schemaLocation="http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd

http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd

http://www.mulesoft.org/schema/mule/oauth2-provider http://www.mulesoft.org/schema/mule/oauth2-provider/current/mule-oauth2-provider.xsd

http://www.mulesoft.org/schema/mule/os http://www.mulesoft.org/schema/mule/os/current/mule-os.xsd

http://www.mulesoft.org/schema/mule/ee/core http://www.mulesoft.org/schema/mule/ee/core/current/mule-ee.xsd

http://www.mulesoft.org/schema/mule/oauth http://www.mulesoft.org/schema/mule/oauth/current/mule-oauth.xsd

http://www.mulesoft.org/schema/mule/scripting http://www.mulesoft.org/schema/mule/scripting/current/mule-scripting.xsd">

 <http:listener-config name="HTTP_Listener_config"

  doc:name="HTTP Listener config"

  doc:id="778f937f-a80a-4060-be6c-8f5212c8b73b">

  <http:listener-connection host="0.0.0.0"

   port="8080" />

 </http:listener-config>

 <os:object-store name="client-os"

  doc:name="Object store" doc:id="91296a69-57d5-4766-ac76-ec1ff662acc8" />

 <os:object-store name="token-os"

  doc:name="Object store" doc:id="82a51666-3c83-4b32-9c06-32e97abb6ab6" />

 <oauth2-provider:config

  name="OAuth2_Provider_Config" doc:name="OAuth2 Provider Config"

  doc:id="66ea9233-dfeb-44af-bf79-8a2e01b56cbb"

  listenerConfig="HTTP_Listener_config" clientStore="client-os"

  supportedGrantTypes="CLIENT_CREDENTIALS">

  <oauth2-provider:client-validation-rate-limiter >

   <oauth2-provider:period-rate-limiter duration="60" />

  </oauth2-provider:client-validation-rate-limiter>

  <oauth2-provider:token-config tokenStore="token-os" tokenTtl="120" >

  </oauth2-provider:token-config>

 </oauth2-provider:config>

 <flow name="create-client" doc:id="8373609a-4a30-4662-bf4e-93a316d1619f" >

  <http:listener doc:name="Listener" doc:id="3371c037-6f19-4f07-adb8-fb8435dfa0bb" config-ref="HTTP_Listener_config" path="/create"/>

  <oauth2-provider:create-client doc:name="Create client" doc:id="d1a9fdf4-fe08-4bb9-9e39-264c3489bd39" config-ref="OAuth2_Provider_Config" clientId="#attributes.headers.client_id" type="CONFIDENTIAL" secret="#attributes.headers.client_secret" description='#""' principal='#""' redirectUris='#["abc.com"]' authorizedGrantTypes='#["CLIENT_CREDENTIALS"]' failIfPresent="true"/>

  <ee:transform doc:name="Transform Message" doc:id="fd369b5a-ccf6-47e2-9a54-507c4aa1d4d2" >

   <ee:message >

    <ee:set-payload ><![CDATA[%dw 2.0

output application/json

---

"Client Created"]]></ee:set-payload>

   </ee:message>

  </ee:transform>

 </flow>

 <flow name="validate-token" doc:id="23febab6-588e-46fe-9487-82711b26f291" >

  <http:listener doc:name="Listener" doc:id="89b2d88f-7532-46bc-b9db-576bc6c8dd1b" config-ref="HTTP_Listener_config" path="/validate"/>

  <oauth2-provider:validate-token doc:name="Validate token" doc:id="ef60d50a-c3a9-497f-8f3f-49c6b992e317" config-ref="OAuth2_Provider_Config"/>

  <ee:transform doc:name="Transform Message" doc:id="06f69772-b600-407e-aa97-c5a796356af1">

   <ee:message>

    <ee:set-payload><![CDATA[%dw 2.0

output application/json

---

payload]]></ee:set-payload>

   </ee:message>

  </ee:transform>

 </flow>

</mule>

I am using the default mongodb connector and can't see how to use the connector to search for a specific document by fields. I have the following,

<mongo:find-documents collectionName="nest" doc:name="Find documents" doc:id="e882996d-3af2-46f8-a638-db2f86c94e21" config-ref="MongoDB_Config" fields='#"_id"'>

<mongo:query ><![CDATA[#[{

"_id": "5f05c70ff50ecf4fb1a06135"

}]]]></mongo:query>

</mongo:find-documents>

...

Ok I changed to the following below, this seems to find all documents. How can I get the query to work, I will try payload. And I had to add the fields to return all fields

<mongo:find-documents collectionName="nest" doc:name="Find documents" doc:id="e882996d-3af2-46f8-a638-db2f86c94e21" config-ref="MongoDB_Config" fields='#""'>

 ...

Message        : org.bson.json.JsonParseException: JSON reader was expecting a value but found 'abc'.

Element        : lexis-nexis-mongodb-implFlow/processors/5 @ accounts-clients-info-sys:lexis-nexis-mongodb-impl.xml:53 (Find documents)

Element XML      : <mongo:find-documents collectionName="nest" doc:name="Find documents" doc:id="e882996d-3af2-46f8-a638-db2f86c94e21" config-ref="MongoDB_Config" fields="#""">

            <mongo:query>abc</mongo:query>

            </mongo:find-documents>

Error type      : MULE:UNKNOWN