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I have a WFS reader that is failing at 5 minutes when I am attempting to read in a large number of features. The reader is set to Prefer HTTP Post if available. The connection and transfer timeouts have both been set to 7200. The error I am seeing in the log file is:

Sending HTTP 'Post' Request to {Feature WFS}, waiting for
response.

Received HTTP response header: 'HTTP/1.1 100 Continue'

Received HTTP response header: 'HTTP/1.1 503 Service Unavailable.

Is there another setting besides the timeouts that could be causing this failure at 5 minutes? We have talked to the WFS administrators and they could not find anything on their end that would cause the issue.

Hi @angelam,

Is there a reason for preferring post? does the service actually support this type of request? any luck with another WFS version? does the service also reacts this way with another client?

There is a limit to the length of url requests. A post submits a request
in an xml file. We found that we were hitting the limit with some of our requests so which necessitated the switch to post. I have not tried a different WFS version. Would there be a difference in how 1.1 vs 2.0 handles this?

Not necessarily but with the 2.0.0 version you can use paging, if the service supports it (check the get capabilities for that)

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