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Vikram Annadurai · Jul 17, 2019

Getting "Service Unavailable" Error on PostMan

#ObjectScript #REST API #Caché

Hi Guys,

    I am new to Cache, I am trying to create an simple REST API on Studio and testing it with postman before that i have config the Web Application System > Security Management > Web Applications > Edit Web Application and i have attached my snapshot also with this post.

   When i testing it on postman i am getting "Service Unavailable" error. I really don't know where i did a mistake. I tried to console it on my code, when I the postman Url is not calling my code,So i think i did a mistake on my config part. Please give me some suggestion

Thanks in advance...

 

Web Application Configuration:

 

PostMan Error:

 

PropertyName.cls

 

CROSRestApi.cls

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Discussion (12)3
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Kurro Lopez · Jul 17, 2019

Hi Vikram,

Have you checked if you have granted privileges?

Best regards,

Francisco Lopez

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Vikram Annadurai · Jul 17, 2019

Hi Francis,

 Yeah I added that. Then also I getting that same error.

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Eduard Lebedyuk · Jul 17, 2019

Please post CROSRestAPI as text.

Can you get InterSystems IRIS or a complete version of Cache/Ensemble?

Service Unavailable error is because of license limitations on TRYCACHE.

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Vikram Annadurai · Jul 17, 2019

Hi Eduard,

CROSRestAPI.cls:

Class User.CROSRestAPI Extends %CSP.REST
{

Parameter CHARSET = "utf-8";

Parameter CONTENTTYPE = "application/json";

XData UrlMap [ XMLNamespace = "http://www.intersystems.com/Urlmap" ]
{
<Routes>
<Map Prefix="user/coffee" Forward="User.CROSRestAPI"/>
<Route Url="/CoffeeMaker" Method="POST" Call="CreateCoffee"/>
<Route Url="/CoffeeMaker:id" Method="PUT" Call="UpdateCoffee"/>
</Routes>
}

ClassMethod CreateCoffee() As %Status
{
s CoffeeProp = ##class(User.PropertyName).%New()
s CoffeeProp.CoffeeName=%request.Data(CoffeeName)
s CoffeeProp.CoffeeColor=%request.Data(CoffeeColor)
s CoffeeProp.CoffeePrice=%request.Data(CoffeePrice)
s Status = CoffeeProp.%Save()
}
}

And I have a complete version of Cache.

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David Reche · Jul 17, 2019

Review the cconsole.log and check if there is any problem with the license, also you can check Application errors log

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Vikram Annadurai · Jul 17, 2019

Hi David,

Thanks for ur Comment.

           I have a license problem, That's why I am getting that error.

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Neerav Adam Verma · Jul 17, 2019

Also disable win firewall once you do resolve licence issue

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Vikram Annadurai · Jul 18, 2019

Thank you Neerav 

I will do it, after i resolve my licence issue...

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Eduard Lebedyuk · Jul 17, 2019

Fixed some issues in REST, but you have license problem.

ClassMethod CreateCoffee() As %Status
{

s json = {}.%FromJSON(%request.Data)
s CoffeeProp = ##class(User.PropertyName).%New()
s CoffeeProp.CoffeeName= json.CoffeeName
s CoffeeProp.CoffeeColor=json.CoffeeColor
s CoffeeProp.CoffeePrice= json.CoffeePrice
s Status = CoffeeProp.%Save()
}
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Vikram Annadurai · Jul 18, 2019

Thanks for your support Eduard..

But what to do, I have a licence problem

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Matthew Giesmann · Aug 15, 2019

I haven't tested to see if it matters, but I see that CreateCoffee() isn't returning a %Status. 

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Vikram Annadurai · Aug 31, 2019

Fairytale bliss!!!

Now I got my expected output..smiley

Solution: I don't have license. But also I can run our Rest API in postman.

         "Our studio should be closed while testing our code on postman"

It is working fine for me angel

Thanks for your Support.

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