I am getting some attributes in an API but all getting lost after an HTTP request connector in mule4.
why is it happening?
Look in the connector's configuration properties -> advanced tab for the connector configuration (in this case the HTTP connector's "request" operation) and you'll find a target variable and target value. If you fill in the target with a name - this does an enrichment to avoid overwriting the Mule message. If you leave it blank (the default) it will save the message (attributes, payload) over the top of the existing one - which is what you're seeing now. This mirrors the old mule 3 functionality, but sometimes you want it to leave what you have there alone.
So for the target value you get to pick exactly what gets saved.. If you want just payload: put that in. If you want both payload and attributes - I'd use "message" as that will mean you get both payload and attributes saved in the variable. Of course you may not want as much saved, so feel free to put in whatever dataweave expression you like - so you could even create something with bits from anywhere like:
{
statusCode: attributes.statusCode,
headers: attributes.headers,
payload: payload
}
A connector operation may replace the attributes with those of the operation. If you need to preserve the previous attributes you need to save them to a variable.
This is a default behaviour of MuleSoft. Whenever request crosses to transport barrier it losses existing attributes. You need to preserve attribute before HTTP Request.
Related
We are migrating from Mule 3 to Mule 4 and in one of our functionalities we need to publish messages to a topic and downstream another mule component is consuming from the queue which is bridged to the topic.
Nothing special here .
To ensure we are able to trace the flow via logs we were sending a 'TrackingId' attribute while publishing messages to the topic ( Mule 3 )
message.setOutboundProperty("XYZ_TrackingID", flowVars['idFromUI']);
return payload;
However when I try the same in Mule 4 we get the following exception :
ERROR 2020-12-20 10:09:12,214 [[MuleRuntime].cpuIntensive.14: [mycomponent].my_Flow.CPU_INTENSIVE
#66024695] org.mule.runtime.core.internal.exception.OnErrorPropagateHandler:
Message : groovy.lang.MissingMethodException: No signature of method:
org.mule.runtime.api.el.BindingContextUtils$MessageWrapper.setOutboundProperty() is applicable for
argument types: (java.lang.String, org.mule.weave.v2.el.ByteArrayBasedCursorStream) values:
[XYZ_TrackingID, "1234567"].\nError type : (set debug level logging or '-
Dmule.verbose.exceptions=true' for
everything)\n********************************************************************************
Checked internet and it seems in Mule4 setting outbound properties is removed as per here
So how do I achieve the same in Mule 4 ?
Don't even try to do that for several reasons. For one message structure is different, so output properties doesn't exist anymore and that method doesn't even exists. On the other hand, in Mule 4 components like the Groovy component can only return a value and cannot change the event. They can not decide to what that value is going to be assigned. You can set the target in the configuration (payload or a variable) and not change the attributes. Note that variables in Mule 4 are referenced by var., not by flowVars. like in Mule 3 (ie vars.idFromUI).
There is a simpler way to set message properties in the Mule 4 JMS connector. Use the properties element and pass it an object with the properties.
For example it could be something like this:
<jms:publish config-ref="JMS_config" destination="${bridgeDestination}" destinationType="TOPIC">
<jms:message>
<jms:body>#["bridged_" ++ payload]</jms:body>
<jms:properties>#[{
XYZ_TrackingID: vars.idFromUI
}]</jms:properties>
</jms:message>
</jms:publish>
It is in the documentation: https://docs.mulesoft.com/jms-connector/1.0/jms-publish#setting-user-properties. I adapted my example from there.
I am not sure if Correlation Id serves the purpose of a tracking ID for your scenario. But you can pass a CID as below. It's there in the mule documentation.
https://docs.mulesoft.com/jms-connector/1.7/jms-publish
<jms:publish config-ref="JMS_config" sendCorrelationId="ALWAYS" destination="#[attributes.headers.replyTo.destination]">
<jms:message correlationId="#[attributes.headers.correlationId]"/>
</jms:publish>
If your priority is to customise the Tracking ID you want to publish, then try passing below format. The key names may differ as per your use case.
<jms:publish config-ref="JMS_config" destination="${bridgeDestination}" destinationType="TOPIC">
<jms:message>
<jms:body>#["bridged_" ++ payload]</jms:body>
<jms:properties>#[{
AUTH_TYPE: 'jwt',
AUTH_TOKEN: attributes.queryParams.token
}]</jms:properties>
</jms:message>
</jms:publish>
In the above the expression attributes.queryParams.token is basically trying to access a token query parameters which is passed to JMS as a property AUTH_TOKEN key-name , consumed by the API through a HTTP Listener or Requestor earlier.
However, attributes.headers.correlationId is a header. Both queryParams and headers are part of attributes in Mule 4.
I'm using the Rest Client as below,
But every time I have the same error message
HTTP Error 400. The request has an invalid header name.
When I use the same config in postman client, (Content-Type:application/x-www-form-urlencoded) I've success message.
What I have to do ?
This might be somewhat reviving an old question, however:
In the headers tab on the Rest Client step the field column refers to a data field in your input stream to this step. The Name refers to the Name of the header. In the screenshot you've added you're trying to add a header called ${CONTENT_TYPE} with the value as contained in your stream field content-type.
Your first step appears to be a data grid. That grid needs to be supplying a field that you reference as your content-type header. If it can't come from that grid you need to inject a step (something like Add Constant) that will add the content-type header.
Hope it helps.
I would like to extract raw report results within the CloudConnect process.
So far I have managed to get response from the raw report API end point - https://secure.gooddata.com/gdc/app/projects/{project_id}/execute/raw/
This response contains URI to the file and if I put that URI to browser, file is uploaded.
I have tried passing this URI to the following readers without success:
CSV Reader produces the following error:
------------------- Error details ------------------
Component [CSV Reader:CSV_READER] finished with status ERROR.
Parsing error: Unexpected end of file in record 1, field 1 ("date"),
metadata "outOfStock";
value: Raw record data is not available, please turn on verbose mode.
File Download - I don't know how to pass the URI through the port to "URL to Downlaod" parameter.
HTTP Connector again I don't see how to pass URI from the port.
What is the way to do this?
EDIT
If I use the HTTP Connector as suggested by #Filip, I get the following error:
Error details:
Component [HTTP connector:HTTP_CONNECTOR] finished with status ERROR. hostname in
certificate didn't match: xxx.com != secure.gooddata.com OR secure.gooddata.com
I have tried setting header to X-GDC-CHECK-DOMAIN: false with no effect.
The HTTP connector is the right component to go with. Leave the URL property empty and use the component’s property called “Input mapping”, where in the graphic editor you can assign the input edge field to the URL field.
Solution from GoodData support:
HTTP connector can be also used, but it is very complex, because
logging in to GoodData has to be created. REST connector has it built
in.
If you want to run the example graph, you have to be logged in in
CloudConnect with a user who has access to the project from where you
would like to export the report. You also have to change URL to
the one of white-labeled account in both REST connector components and change project
and report definition in the first REST connector.
So the graph that works looks like this:
Here are the main fields that you will need to set for each element:
Get Results URI - set params for POST request:
Request URL = https://secure.gooddata.com/gdc/app/projects/${GDC_PROJECT_ID}/execute/raw/
Request Body =
{
"report_req": {
"reportDefinition": "gdc/md/${GDC_PROJECT_ID}/obj/${OBJECT_ID}"
}
}
Get URI from Response - just map uri value to corresponding field:
<Mapping cloverField="uri" xpath="uri"/>
Load Results - make sure it is connected to metadata with two fields, one for response with data, other to pass through the uri.
Load Results - you will need to exclude uri field to process the data:
Exclude Fields = uri
I am totally new to Parasoft virtualize. I created a virtual asset and added three fields in my data source correlation, My request xml has 4 fields. I am getting this error after processing the request.
<Reason>Failed to respond to incoming message using data source row correlation</Reason>
<Details>Values in incoming message did not match values in the data source "GetSubscriptionOperationsRequest"</Details>
Any suggestions on what might be the problem here?
The message which you are getting explains your problem.
The virtual asset cannot correlate your request with data in your data source to build response.
Try to send request with one of the values from column used for Datasource's corelation in your responder.
That value should be in request's filed used by correlation.
Maybe you should try to add catch all responder to see if you have correct corelation between incoming requests and your responder.
You can also ask Parasoft's technical support for help.
Im new on Mule ESB and i have the next problem. I use connector "Collection Splitter" to separate a list of orders (books) to other things. When i do the checks i go back to join the books on the order with connector "Collection Agreggator". What i want is save the information of the payload in that moment in a session variable. The system dont do that. I think is posible because the type saves on the payload is "CopyOnWriteArrayList" type and i dont now if is posible save this type of list in a session variable.
Someone can be help me please?
Thanks!
You can also use a set-session-variable transformer. Set the name is something of your choosing and set the value to be #[payload]. That you will maintain both your payload and have a new session variable. However be very careful when using session variables, since these are serialized when sending a Mule message over a transport. If possible, try to use flow variables.
use the message enricher scope to achieve the same.
define the required component inside the message enricher scope.
in the enricher scope specify source as payload and the target as session variable.
try and let me know the status.