This happened once in Solaris x64 same binaries run
Please see the test output below:
----------System.out:(139/6586)----------

**** Testing HTTP SERVER307 mode ****

Server bound to: /127.0.0.1:55325 after 1 attempt(s)
Server bound to: /127.0.0.1:55329 after 1 attempt(s)
Client: FIRST request: http://127.0.0.1:55329/ GET
Server307: Got GET: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55329]
User-agent: [Java/9-ea]
Server307: Redirecting to server
Server307: Sent back 307 Location: http://127.0.0.1:55325/
Digest Server: Got GET: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55325]
User-agent: [Java/9-ea]
Digest Server: Requesting Digest Authentication Digest realm="dublin",
    qop="auth",
    nonce="4becfda8b24f779bce82704de88a9b62"
Authenticator called: 1
Digest Server: Sent back 401
Digest Server: Got GET: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55325]
User-agent: [Java/9-ea]
Authorization: [Digest username="foox", realm="dublin", nonce="4becfda8b24f779bce82704de88a9b62", nc=00000001, uri="/", response="703c915d9cbe7d015f38f20f6f88d959", algorithm=MD5, cnonce="INNNPIKJDENMFFMJOBFIPHHHKODGOFLCPNPOAOBM", qop=auth]
Digest Server: processing Digest username="foox", realm="dublin", nonce="4becfda8b24f779bce82704de88a9b62", nc=00000001, uri="/", response="703c915d9cbe7d015f38f20f6f88d959", algorithm=MD5, cnonce="INNNPIKJDENMFFMJOBFIPHHHKODGOFLCPNPOAOBM", qop=auth
Digest Server: verified response 703c915d9cbe7d015f38f20f6f88d959
Response code: 200
Response body:

Client: NEXT request: http://127.0.0.1:55329/ POST
Server307: Got POST: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55329]
User-agent: [Java/9-ea]
Content-type: [application/x-www-form-urlencoded]
Content-length: [12]
Server307: Redirecting to server
Server307: Sent back 307 Location: http://127.0.0.1:55325/
Digest Server: Got POST: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55325]
User-agent: [Java/9-ea]
Content-type: [application/x-www-form-urlencoded]
Content-length: [12]
Digest Server: Requesting Digest Authentication Digest realm="dublin",
    qop="auth",
    nonce="4becfda8b24f779bce82704de88a9b62"
Digest Server: Sent back 401
Digest Server: Got POST: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55325]
User-agent: [Java/9-ea]
Authorization: [Digest username="foox", realm="dublin", nonce="4becfda8b24f779bce82704de88a9b62", nc=00000002, uri="/", response="a335077d0382f49a5a1c106ee4db4401", algorithm=MD5, cnonce="BDMFCKBBADBKKGPCOPAJHCNIIPMGLFABEGHJEMPL", qop=auth]
Content-type: [application/x-www-form-urlencoded]
Content-length: [12]
Digest Server: processing Digest username="foox", realm="dublin", nonce="4becfda8b24f779bce82704de88a9b62", nc=00000002, uri="/", response="a335077d0382f49a5a1c106ee4db4401", algorithm=MD5, cnonce="BDMFCKBBADBKKGPCOPAJHCNIIPMGLFABEGHJEMPL", qop=auth
Digest Server: verified response a335077d0382f49a5a1c106ee4db4401
Response code: 200
Response body: Hello World!
Test passed!

**** Testing HTTPS SERVER307 mode ****

Server bound to: /127.0.0.1:55344 after 1 attempt(s)
Server bound to: /127.0.0.1:55347 after 1 attempt(s)
Client: FIRST request: https://127.0.0.1:55347/ GET
Client: configuring SSL connection
Server307: Got GET: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55347]
User-agent: [Java/9-ea]
Server307: Redirecting to server
Server307: Sent back 307 Location: https://127.0.0.1:55344/
Digest Server: Got GET: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55344]
User-agent: [Java/9-ea]
Digest Server: Requesting Digest Authentication Digest realm="dublin",
    qop="auth",
    nonce="e2e4969fe16d16e98fbfd1d0d8ad7ed5"
Digest Server: Sent back 401
Authenticator called: 2
Digest Server: Got GET: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55344]
User-agent: [Java/9-ea]
Authorization: [Digest username="foox", realm="dublin", nonce="e2e4969fe16d16e98fbfd1d0d8ad7ed5", nc=00000001, uri="/", response="0ed889356bf3a08d25cdc7d21debda13", algorithm=MD5, cnonce="KKKLPLNJICDMJIHLBBPPNADMAECPDODNCPMFCOFI", qop=auth]
Digest Server: processing Digest username="foox", realm="dublin", nonce="e2e4969fe16d16e98fbfd1d0d8ad7ed5", nc=00000001, uri="/", response="0ed889356bf3a08d25cdc7d21debda13", algorithm=MD5, cnonce="KKKLPLNJICDMJIHLBBPPNADMAECPDODNCPMFCOFI", qop=auth
Digest Server: verified response 0ed889356bf3a08d25cdc7d21debda13
Response code: 200
Response body:

Client: NEXT request: https://127.0.0.1:55347/ POST
Client: configuring SSL connection
Server307: Got POST: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55347]
User-agent: [Java/9-ea]
Content-type: [application/x-www-form-urlencoded]
Content-length: [12]
Server307: Redirecting to server
Server307: Sent back 307 Location: https://127.0.0.1:55344/
Digest Server: Got POST: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55344]
User-agent: [Java/9-ea]
Content-type: [application/x-www-form-urlencoded]
Content-length: [12]
Digest Server: Requesting Digest Authentication Digest realm="dublin",
    qop="auth",
    nonce="e2e4969fe16d16e98fbfd1d0d8ad7ed5"
Digest Server: Sent back 401
Digest Server: Got POST: /
Accept: [text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2]
Connection: [keep-alive]
Host: [127.0.0.1:55344]
User-agent: [Java/9-ea]
Authorization: [Digest username="foox", realm="dublin", nonce="e2e4969fe16d16e98fbfd1d0d8ad7ed5", nc=00000002, uri="/", response="635445bc554757e46375969fb76dcba0", algorithm=MD5, cnonce="GFNNNNANJNHJGOGCEJIBJEKONHIIFKJOLGIBAFPD", qop=auth]
Content-type: [application/x-www-form-urlencoded]
Content-length: [12]
Digest Server: processing Digest username="foox", realm="dublin", nonce="e2e4969fe16d16e98fbfd1d0d8ad7ed5", nc=00000002, uri="/", response="635445bc554757e46375969fb76dcba0", algorithm=MD5, cnonce="GFNNNNANJNHJGOGCEJIBJEKONHIIFKJOLGIBAFPD", qop=auth
Digest Server: verified response 635445bc554757e46375969fb76dcba0
Response code: 200
Response body: Hello World!
Test passed!
Timeout signalled after 960 seconds