in reply to Re: “Non-blocking socket operation” error in LWP::UserAgent package
in thread “Non-blocking socket operation” error in LWP::UserAgent package

According to the response-header, 6K is too short:
Content-Length: 246406
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Re^3: “Non-blocking socket operation” error in LWP::UserAgent package
by hippo (Archbishop) on May 03, 2016 at 10:19 UTC

    VinsWorldcom is reporting the length of the headers (because that's what your script outputs) not the length of the payload.