Could not find HTTP response object for this identifier

Question

I am using the below Nifi processors

HTTPRequestHandler -> Some custom processors in between -> HTTPResponseHandler

Custom processors are used for doing some transformations.

In the HTTPResponseHandler processor i am getting

Flowfile had an HTTP.Context.identifier of true but Could not find HTTP response object for this identifier

Can anyone please help me on this.

Ravi Kiran G · Accepted Answer · 2018-03-14 06:10:42Z

3

I was able to resolve the error HTTP.Context.identifier of true but Could not find HTTP response object for this identifier.

It was due to the Request Expiration property in StandardHttpContextMap controller service.

By default it was set to 1 min.

Post increasing the value to 10 min , i was able to resolve that issue since my custom processors look more time to process the data.

answered Mar 14, 2018 at 6:10

Ravi Kiran G

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Andy · Accepted Answer · 2018-03-13 03:09:00Z

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Please ensure that you have configured an instance of StandardHttpContextMap controller service and referenced the same instance in the HTTP Context Map property for both of the HandleHttpRequest and HandleHttpResponse processors. This context map allows the flowfile to reference the HTTP context from the initial request when crafting the response.

answered Mar 13, 2018 at 3:09

Andy

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Sateesh Telaprolu · Accepted Answer · 2018-03-12 05:50:24Z

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With my understanding on NIFI since no code provided to identify exact problem, you are loosing HTTPResponse object somewhere during processing of the FlowFile in DataFlow.

Without code its hard to debug the issue

answered Mar 12, 2018 at 5:50

Sateesh Telaprolu

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Ravi Kiran G Over a year ago

Thanks for the response. Would HTTPResponse object be present in the flowfile? Is there anyway to add the object into the flowfile. Currently i am not handling any response object in my custom processor code.

Sateesh Telaprolu Over a year ago

I have mentioned change of missing it, but its can be in flowfile based on how you are making http requests and processing responses. Sorry we cant identify the exact problem without having exact code or configuraiton it would be great if you can share it

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