Does your proxy.config.admin.user_id in records.config match the owner of your ATS files? I recently had those out of sync and traffic_cop would start but not traffic_manager or traffic_server. I seem to remember it throwing some relevant errors in /var/log/messages.
.: Jared On 10/28/14, 7:16 PM, "Bill Zeng" <billzeng2...@gmail.com> wrote: >Thank you two for the replies! traffic_server.stdout is created by >traffic_cop/traffic_manager/traffic_server when it still had root >privilege. So the owner is still root. The question lies why >traffic_manager and traffic_server are not started even if trafficserver >is >sudo'ed. > > >On Tue, Oct 28, 2014 at 6:40 PM, Alan M. Carroll < >a...@network-geographics.com> wrote: > >> Checking my various installs, all of this seems normal. The question I >> would have for Bill is how traffic_server.stdout became owned by root - >> chown is a privileged operation so if the script wasn't running as root, >> how did that get done? >> >> The trafficserver script should always be run as root. For Bill's case, >>I >> suspect some other problem. My standard technique in that case is to >>check >> the other logs (such as error.log, diags.log) and then try "sudo gdb >> traffic_manager" and "sudo gdb traffic_server" to see if you have any >> library problems. >> >> Tuesday, October 28, 2014, 6:21:42 PM, you wrote: >> >> > That¹s weird. I can see traffic_cop running on root, traffic_manager >>and >> > traffic_server running on non root by doing sudo ./trafficserver >>start. I >> > use traffic_server 5.2.0. Any changes since? >> >> > On 10/28/14, 6:10 PM, "Bill Zeng" <billzeng2...@gmail.com> wrote: >> >> >>Hi all, >> >> >>I have a question about the privileges of the processes traffic_cop, >> >>traffic_manager, and traffic_server. I started ATS with: >> >> $ ./trafficserver start >> >>It reported permission denied error: >> >>$ ./trafficserver start >> >>./trafficserver: line 186: >> >>/path-to-ats/var/log/trafficserver/traffic_server.stdout: Permission >> >>denied >> >> >>The permission of the file seems to be root: >> >>$ ls -l /path-to-ats/var/log/trafficserver/traffic_server.stdout >> >>-rw-r--r-- 1 root root 0 Oct 28 17:55 >> >>/path-to-ats/var/log/trafficserver/traffic_server.stdout >> >> >>It is root-owned. If I run it with sudo, the permission seems fine: >> >>$ sudo ./trafficserver start >> >>Starting Apache Traffic Server: [ OK ] >> >> >>But traffic_manager and traffic_server are not run: >> >>$ ps aux | grep traffic_ >> >>root 9243 0.0 0.0 75636 2992 ? Ssl 18:05 0:00 >> >>/path-to-ats/bin/traffic_cop >> >>bzeng 9339 0.0 0.0 103248 864 pts/14 S+ 18:08 0:00 grep >> >>traffic_ >> >> >>The ATS is freshly checked out from upstream. >> >> >>Thanks in advance. >> >>Bill >> >> >> >>