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411 Length Required error on Insert from URL vs Postman

Question asked by sully1570 on Oct 9, 2018
Latest reply on Oct 9, 2018 by sully1570

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I've tried about two dozen combinations of headers to try and connect to a local FM database with Insert from URL, adding and deleting individual headers to try and get the magic combination that will return the auth token I need to get my job done.

All of them return Error 411 Length Required.

The same request seems to work just fine when sent from Postman.

I feel like I'm missing something rudimentary about how Postman operates versus how Insert from URL operates.

Anyone have any ideas?

Sully

Squirt Gun Guy

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wimdecorte Oct 9, 2018 10:24 AM

Postman automatically calculates the content length for you.

Have you looked at the pre-built examples of doing this from inside FM?

Data API / Admin API Packages/Wrappers For FM 17+

Comparing yours to any of these may reveal what you are doing differently...

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sully1570 @ wimdecorte on Oct 9, 2018 11:22 AM

Thanks for the link, I'll take a look this afternoon.

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Jason Wood Oct 9, 2018 11:40 AM

It looks like you are deliberately passing the header "Content-Length: 0"

cURL will normally add this header with the correct length, but since you are hard-coding it with the length as 0, it's probably just sending it along with the incorrect value...

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sully1570 @ Jason Wood on Oct 9, 2018 12:20 PM

I've tried it without the content length header as well.

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sully1570 Oct 9, 2018 12:49 PM

this little guy circled in orange needed to be in the header to set the payload of the request as an empty set of curly braces.

-d {}

Thanks for your help guys!

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wimdecorte Oct 9, 2018 10:24 AM
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Postman automatically calculates the content length for you.

Have you looked at the pre-built examples of doing this from inside FM?
Data API / Admin API Packages/Wrappers For FM 17+

Comparing yours to any of these may reveal what you are doing differently...
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sully1570 @ wimdecorte on Oct 9, 2018 11:22 AM
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Thanks for the link, I'll take a look this afternoon.
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Jason Wood Oct 9, 2018 11:40 AM
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It looks like you are deliberately passing the header "Content-Length: 0"

cURL will normally add this header with the correct length, but since you are hard-coding it with the length as 0, it's probably just sending it along with the incorrect value...
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sully1570 @ Jason Wood on Oct 9, 2018 12:20 PM
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I've tried it without the content length header as well.
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sully1570 Oct 9, 2018 12:49 PM
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this little guy circled in orange needed to be in the header to set the payload of the request as an empty set of curly braces.

-d {}

Thanks for your help guys!
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411 Length Required error on Insert from URL vs Postman

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