How can i create a simple api using mulesoft stodio? I am using the MySql Database and trying to create REST apis and following this tutorial.
http://www.mulesoft.org/documentation/display/current/Creating+an+API+for+a+MySQL+Database
But facing the error
Error executing graph: ERROR (com.mulesoft.mule.module.datamapper.api.exception.DataMapperExecutionException). Message payload is of type: ArrayList
You have something wrong with your DataMapper definitions, probably a mismatch between the data coming from MySql and the data types for the fields in your DataMapper. Check your data types, the complete error message in Mule Studio, and the output of the Logger between the MySql component and DataMapper if you have a configuration similar to the example in the tutorial.
i was in assumption that the data mapper source data does not match with the payload it received.
according to error , the data-mapper input is of some format you defined but the received input is of array-list.
I am getting the 404 response on the link that you had mentioned in your question.
Your error is not related to what you were asking about How to create Rest API in mule.
As per concern about creating Rest API mule offers two ways:
Using the Rest Component (Recommended when you have rest specification defined in java using the jersey or apache-axis)
ApiKit Router with RAML (Higly recommended by mulesoft community)
As per your concern about error.
you might have not properly mapped the input fields of datamapper with the outbound messages from DB connector.
DB Connector always returns the response as ArrayList that need to be caste into any collection like Map or Array.
I recommend kindly use data sense feature of mulesoft DB connector that will automatically map the input fields of data mapper.
if possible share your flow.
Hope this helps.
Check the inbound properties of data mapper. output of DB query should not be in unknown format. If it is unknown format, then there is something wrong with your query output.
If you are looking for API creation, then check out the below link.
https://docs.mulesoft.com/anypoint-platform-for-apis/walkthrough-design-existing
check the document how to create API
https://docs.mulesoft.com/anypoint-platform-for-apis/
and regarding the DataMapper error just check the input data type to the output data type you are mapping. just cross check the input format to output format.
I suggest to use data weave now . Data mapper is obsolete . Define metadata for your HTTP end by giving some sample JSON and with database you will automatically get metadata extracted by data sense. Now you can use drag and drop for mapping your fields and it will transform input to requited output. you can also look data weave expression generated and now you can change that easily to tweak that.
Related
I have common scenario but I am not able to figure out the solution in Mule 4 batch. In my flow I have a http listner which invokes the flow and then I am calling DB select and then using a batch to upsert data into salesforce.
by default batch will create stats in On-Complete phase and my requirement is to send exact stats as response but I am not able to access it outside of batch. Tried with vars, attributes and even tried VM publish (in this case response will not go back to listner)
Can someone please guide me on this? I'm attaching the flow design for reference.
flow design
Thanks.
You can't. Batch works in the background, your flow will be long gone before your batch is done.
My suggestion is you (1) Store the reporting data somewhere and (2) get to the data using another request/way.
Here's the documentation: https://docs.mulesoft.com/mule-runtime/4.2/batch-processing-concept
You can store the payload in on-complete phase in an objectStore and can retrieve it later to build your report. The payload stored in the on-complete phase is a java object that has properties that you would need to build your report. (For e.g.loadedRecords, failedRecords etc)..
It is possible using multiple RAML files in one APIKit Mule Project?
Let's say I have two functions /api/func1 and /api/func2.
Each of the functions is defined in its own raml - func1.raml and func2.raml.
I've generated a flow in Anypoint for the first function using the APIKit wizard. It's working ok.
Now, I'm trying generating a flow for the second function. The flow is generated with no errors. However, it just doesn't work. I've tried fixing the URLs, bindings, configurations and nothing really helps.
Note, that I don't wanna bind both the RAMLs into one file. The reason is that it's easier to develop/maintain the functions separately.
The only solution I can see is to define two separate projects. But this is not really what I'd like to do.
So, looking for an advice of how to deal with this situation.
Thanks,
Ok, actually, it's possible.
What you need to do is make the "Path"es different in the HTTP connectors for the flows generated.
The apikit wizard generates the default path that looks like this: "/api/*".
So, Mule generates an error when attempting to deploy the app. What you need to do is changing paths to "/api/func1/" and "/api/func2/"
You can continue having a single RAML file and make external references to simplify your raml, here is an example:
#%RAML 0.8
title: Eventlog API
version: 1.0
baseUri: http://eventlog.example.org/{version}
schemas:
- eventJson: !include eventSchema.json
eventListJson: !include eventlistSchema.json
Also going by strict REST design it is recommended to have a resource related details maintained in a single RAML file.
Optionally you may edit the url's to resolve any context related conflict.
I'm new to Pentaho and using the Rest Client. I can get the Rest client to work by using generate rows for the url. But then I need to pass part of the result of the json to be part of the url for the next request. I'm not sure how to do this. Any suggestions.
Remember that PDI works with streams, you, for each REST request you made, you will have one row as result. You will have as many rows as many requests you do.
I'm not sure if you can deserialize the JSON object directly from the PDI interface, but in the worst scenario, you can use the "User Defined Java Class" to use some external library (like Gson) and deserialize the object.
Then, you can create another variable in the UDJC step and concatenate the attributes you need on the URL string that comes from the last step.
In the other hand you can use "Modified Javascript" to deserialize it and return the attributes you need to then concatenate it with the URL. To use it, just declare varibles inside the code, and then use "Get variables" button to retrieve the available fields to send to the next step.
There are many ways to do it, I suggest you to use the Modified Javascript because it's easier to handle.
You CAN parse the Json response, just use Json Input a a nex step, and then use XPath to parse the field you want: $.result.the.thing.u.want.
I want to post a message to a SOAP webservice with MULE Enterprise edition.
For creating the Request object i am using a data mapper with the
input a POJO and for
the output i selected XML , and from example XML schema i added my own XSD.
Because there are a lot of elements in the xsd, i selected the root element from the list provided.
Then i am dragging the fields from input to the corresponding values i want in the output.
(i also tried to map just one field, to be sure that i keep the minimum the probability for error).
And now the problem:
when the flow is accessed, the following WARN is shown and the data-mapper fails
*[XML WRITER:EXT_XML_WRITER0] - Invalid mapping (With port binded to root element, result might contain multiple root elements. Such XML is not well-formed. To avoid that, set 'Records per file' or 'Max number of records' component attribute to '1'.)*
Where can i set this kind of options in the data mapper ?
And also i want the root element to be only one, i don't need a foreach for the root element, i just need to fill the contents of it. Can i specify this anywhere in the data mapper ?
Thanks.
Mule EE DataMapper uses CloverETL for data transformations, and this annoying warning concerns CloverETL settings. I don't know if you can advise CloverETL to use a specific configuration file in the context of Mule DataMapper, but you can always edit the mapping file generated by Mule with a text editor. Just find your root Node entry in the mapping file and add recordsPerFile="1" attribute.
The problem with this is that Mule may overwrite your manual edits if you use the graphical editor, though.
Check out the Anypoint Studio May 2014. Mule now includes a new Web Service Connector for posting messages to a SOAP web service using just a WSDL. Studio will read the XML Schema from the WSDL and automatically create the metadata for DataMapper for you. See http://www.mulesoft.org/documentation/display/current/Web+Service+Consumer for more details.
Is it possible to create soap ui request with data ? right now I know how to create new request which gives you template what you should send to your webservice (which is read from you wsdl), is there a way so your requests fills with data based on type(ex: String,Integer, Date) from wsdl, from soap ui or any other test tool ? thank you
In Soap UI 4.5.1 there's an option under preferences that once set will auto populate new requests with dummy data that is type safe instead of the default '?'.
File->Preferences->WSDL Settings-> Tick option "Sample Values" and hit OK.
You can enter data directly into the XML request generated by SoapUI, you can write scripts to populate data, or if you have the Pro version, it gives you a GUI form, based on the request, where you can simply type the data. i.e. it makes a data-entry screen for you.
The pro version can also pull data from databases, generate data from a string list, etc.. for example, I recently needed to send several thousand SOAP payloads with dummy data for firstname/lastname, etc.. So I made up two string lists, one with first names of past and present NFL quaterbacks, one with last names. I had the data generator in SoapUI (Pro) randomly select a string from each, and submitted it in a stress test for 1000 iterations. The results were very useful, yet very amusing, giving names like Drew Montana.
Yes, you can use SOAPUI to complete this task. you can fetch your data from several sources like Excel,plain csv file,Database liks DB2,POSTGRES. You can also write your groovy scripts to control the flow.Various things you can do to achieve this...