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<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="color:#242729">I am having a problem with Varnish 3.x probe page from a SpringBoot application (1.4). Varnish is failing to detect the probe page (returns 503 SERVICE NOT AVAILABLE)
and consequently fails to route.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="color:#242729">When I manually ping the probe URL, it works fine, but Varnish is flagging the probe page as being down.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="color:#242729">Removing the probe page, everything works fine.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="color:#242729">Pointing to a static probe page (my.css) or any other static or dynamic URL fails.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="color:#242729">Looking at the logs, the response header looks like this:<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">HTTP/1.1 200
<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Content-Type: text/plain;charset=utf-8<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Content-Length: 72<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Date: Wed, 01 Feb 2017 15:20:48 GMT<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Proxy-Connection: Keep-Alive<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Connection: Keep-Alive<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="color:#242729">Comparing this to other working (non Spring Boot) applications, the only difference is that the working applications have an OK after the response, and the bad ones
don't: HTTP/1.1 200 OK Does that mean anything?<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="color:#242729">For example, here is a good one:<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">HTTP/1.1 200 OK<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Date: Wed, 01 Feb 2017 14:04:18 GMT<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Last-Modified: Fri, 11 Nov 2016 22:00:02 GMT<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Content-Type: text/css<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Content-Length: 129<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Server: Jetty(9.3.z-SNAPSHOT)<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Proxy-Connection: Keep-Alive<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1">Connection: Keep-Alive<o:p></o:p></span></p>
<p class="MsoNormal" style="background:#EFF0F1"><span style="font-size:10.0pt;font-family:Consolas;color:#242729;border:none windowtext 1.0pt;padding:0in;background:#EFF0F1"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="font-size:11.5pt;font-family:"Arial","sans-serif";color:#242729">Not sure where else to look! Any clues?<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:10.0pt;color:black">Victor Grazi<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:gray">Desk: +1-212-298-4445 (Internal: 74445)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:gray">Mobile: +1-917-251-1247<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:gray">Blackberry Phone: +1-347-726-0338<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:gray"><a href="mailto:victor.grazi@nomura.com">victor.grazi@nomura.com</a><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="color:#4B4B4B"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="color:#4B4B4B">NOMURA – GM/FID Core IT</span></b><o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;color:#595959;mso-fareast-language:KO">Worldwide Plaza</span><span lang="EN-GB" style="font-size:9.0pt;color:#595959"> -
</span><span lang="EN-GB" style="font-size:9.0pt;color:#595959;mso-fareast-language:KO">8</span><sup><span lang="EN-GB" style="font-size:9.0pt;color:#595959">th</span></sup><span lang="EN-GB" style="font-size:9.0pt;color:#595959"> Floor<br>
</span><span lang="EN-GB" style="font-size:9.0pt;color:#595959;mso-fareast-language:KO">309 West 49<sup>th</sup> Street (8<sup>th</sup> Ave)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:9.0pt;color:#595959">New York, NY 10</span><span lang="EN-GB" style="font-size:9.0pt;color:#595959;mso-fareast-language:KO">019<b><o:p></o:p></b></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="color:#4B4B4B"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:8.0pt;font-family:"Arial","sans-serif";color:gray"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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