On 10/06/2020 14:07, Paul Carter-Brown wrote: > At runtime, any code can call TimeZone.setDefault to change the timezone of > the JVM. > > I'd suggest logging TimeZone.getDefault().getDisplayName(Locale.ENGLISH); > intermittently and seeing if some code somewhere is changing the timezone. > Could be in any library...
Most likely this: https://bz.apache.org/bugzilla/show_bug.cgi?id=64226 Mark > > Paul > > > On Wed, Jun 10, 2020 at 2:56 PM Stefan Mayr <ste...@mayr-stefan.de> wrote: > >> Hi, >> >> today I've seen something I don't understand: our developers reported an >> application that was returning a non-GMT timezone in Date and >> Last-Modified headers. >> >> $ curl -v http://localhost:8080 >> * Rebuilt URL to: http://localhost:8080/ >> * Trying 127.0.0.1... >> * TCP_NODELAY set >> * Connected to localhost (127.0.0.1) port 8080 (#0) >>> GET / HTTP/1.1 >>> Host: localhost:8080 >>> User-Agent: curl/7.58.0 >>> Accept: */* >>> >> < HTTP/1.1 200 >> < X-Correlation-Id: 68ef1063-dbbb-4216-a3a7-2acdb768abbd >> < Last-Modified: Tue, 12 May 2020 14:04:15 YEKT >> < Accept-Ranges: bytes >> < X-Content-Type-Options: nosniff >> < X-XSS-Protection: 1; mode=block >> < Cache-Control: no-cache, no-store, max-age=0, must-revalidate >> < Pragma: no-cache >> < Expires: 0 >> < Strict-Transport-Security: max-age=31536000 >> < X-Frame-Options: DENY >> < Content-Type: text/html;charset=UTF-8 >> < Content-Language: en-US >> < Content-Length: 5409 >> < Date: Wed, 10 Jun 2020 20:42:26 JST >> ... >> >> There you can see Date with JST and Last-Modified with YEKT instead of GMT >> >> All other locales (LANG, LC_*, /etc/localtime) of this system are okay >> and after a restart everything is correct again and I'm not able to >> reproduce it >> >> $ curl -vs http://localhost:8080 2>&1|egrep -i "Date|Last-Modified" >> * start date: Mar 25 10:50:00 2020 GMT >> * expire date: Mar 30 23:59:59 2021 GMT >> < cache-control: no-cache, no-store, max-age=0, must-revalidate >> < date: Wed, 10 Jun 2020 11:52:42 GMT >> < last-modified: Tue, 12 May 2020 09:04:15 GMT >> >> >> This is a Spring Boot application with an embedded Tomcat (9.0.16) >> running in a Cloud Foundry Container. >> >> Reading through the source code of >> org.apache.tomcat.util.http.FastHttpDateFormat I don't understand how >> this is even possible. >> >> Has anybody ever seen this or an idea what could have happened there? >> After the restart I can't reproduce it. >> >> Thanks, >> >> Stefan >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org >> For additional commands, e-mail: users-h...@tomcat.apache.org >> >> > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
