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Parse JSON failing to retrieve value from previous step

Hi,

 

I am struggling with an issue in a Parse JSON step that I can´t understand and maybe someone here can shed a light.

 

The flow is long but put simply I am making a HTTP call to an API and that is returning a response, I then do a ParseJSON1 on that response to gain access to the different key:value pairs. So far so good.

 

After that I am making a ParseJSON2 that uses dynamics values from ParseJSON1 and this is where I run into trouble, because I can see the values in the output of ParseJSON1 but ParseJSON2 gets Null values on some (not all) fields. First I thought there must be a schema problem but I the got a compose in between and the compose gets a null as well.

 

As anyone experienced something like this before?

 

Regards,

Jorge Daniel


Regards. JD.
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abm
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Most Valuable Professional

Hi @jcfDaniel 

 

Thanks for the screen share. So the issue was the schema mapping was not quite right. Once you re-generated the schema it looks like you are retrieving the data you want. 

 



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View solution in original post

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abm
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Most Valuable Professional

Hi @jcfDaniel 

 

Most likely you might be mapped a wrong dynamic values. Without seeing the flow and run history of the records its difficult to give you an exact answer. Check the mappings carefully.



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Hi abm,

 

I did check. It's strange because I use Parse JSON often and now this.

 

I prepared a couple of images to better illustrate the issue. I have inserted a compose to receive the value. Also that PrecUnit (unit price) key is unique in the schema.

 

One thing that I have thought of but haven´t yet been able to be sure of is that the object returned from the http call has a content field that concatenates most keys in a long string. So although PrecUnit is a unique key the word does show up in that long content string. Something like "Content": "blablablaPrecUnitblablabla"

 

compose.PNGconcat.PNG


Regards. JD.
abm
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Most Valuable Professional

Hi @jcfDaniel 

 

Why you have blank string with values here?

 

image.png



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Hi,

 

Those are just other keys I erased in the image.


Regards. JD.
abm
Most Valuable Professional
Most Valuable Professional

Hi @jcfDaniel 

 

Could you please provide a sample json format of your data? If not try using items() expression to get each values from your JSON data. Using the concat expression you shown above doesn't work and it will return blank values.



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abm
Most Valuable Professional
Most Valuable Professional

Hi @jcfDaniel 

 

Thanks for the screen share. So the issue was the schema mapping was not quite right. Once you re-generated the schema it looks like you are retrieving the data you want. 

 



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If you liked my response, please consider giving it a thumbs up


Proud to be a Flownaut!

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Hi @abm 

 

I can´t thank you enough for your help as I was struggling with it for some time.

 

Major kudos to you 🙂


Regards. JD.

Hi @abm 

 

I can´t thank you enough for your help as I was struggling with it for some time.

 

Major kudos to you 🙂


Regards. JD.

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