Any ideas why is it not working, and how it can be fixed?

Standard answer is upgrade your LWP and all its dependencies

You say you have LWP: 6.08 and that is about two years old

After you have upgraded try again and see what happens :)

In reply to Re: “Non-blocking socket operation” error in LWP::UserAgent package by Anonymous Monk
in thread “Non-blocking socket operation” error in LWP::UserAgent package by lmocsi

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