"Content-Length: 0" header is added as a first response against "Expect: 100-continue" request header

Solution Verified - Updated -

Issue

With Red Hat Fuse 6.x, "Content-Length" header is not included against "Expect: 100-continue" request header.
However, with Red Hat Fuse 7.x, "Content-Length: 0" header is added as a first response.

Environment

  • Red Hat Fuse
    • 7.8
    • Undertow

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