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Solved
Error uploading files from behind load balancer.
Application Type
Reactive
Service Studio Version
11.10.2 (Build 36659)
Platform Version
11.7.3.19176

We have set up a load balancer in our UAT environment with plan to do the same in our production environment.

Since the load balancer has been set up we are getting intermittent issues when uploading files. 

The particular check that is failing is this:

Compare(File_ReadBinary.Content, NullBinary())

The value of File_ReadBinary.Error_message is empty so there is no obvious error.

It doesn't always fail but definitely fails more often than it succeeds.

If we bypass the load balancer and connect directly to either of the front end servers, it works fine.

Has anyone else experienced this issue? Is there something we need to do differently when using an LB?

Is there a way to get more detailed error information?

Thanks.

Gavin.

Rank: #8858
Solution

Thanks for the reply PJ. Turns out the issue it actually with the File Upload component as it does not handle multiple front end servers. 

mvp_badge
MVP
Rank: #51

Hi Gavin,

Did yo checked any logs at the load balancer side , may be some firewall or antivirus scanning the file and causing this issue.


Regards,

-PJ-

Rank: #8858
Solution

Thanks for the reply PJ. Turns out the issue it actually with the File Upload component as it does not handle multiple front end servers.