[Resolved] Help with diagnosing 503 on WordPress

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theRKF

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#1
#1
We are running a server with a stable configuration (no recent changes), and a couple hundred sites running smoothly. (Most are Concrete5 or WordPress sites.)

We have one WP site in development that suddenly succumbed to 503 errors. The dashboard still works fine, but the front-end pages are only producing 503 errors.

I've gone through the suggestions at https://www.litespeedtech.com/support/wiki/doku.php/litespeed_wiki:php:503-errors but that hasn't gotten me anywhere.
  • No messages in the main or site-specific error logs
  • No core dumps
  • No indication of PHP crashing
I'm at a bit of a loss as to how to proceed. Any suggestions would be appreciated.
 
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theRKF

Well-Known Member
#2
#2
Figures - as soon as I post I managed to get some log info.

Code: 
2015-10-17 11:18:11.966 [INFO] [APVH_florist2_Suphp:] PID: 28175, add child process pid: 29715, procinfo: 0x3956ef0
2015-10-17 11:18:12.638 [INFO] [xxx.xxx.xxx.xxx:39731] connection to [/tmp/lshttpd/APVH_florist2_Suphp.sock.469] on request #1, confirmed, 1, associated process: 29705, running: 1, error: Connection reset by peer!
2015-10-17 11:18:12.638 [INFO] Process: 29705, killed by signal: 11, core dump: 128
2015-10-17 11:18:13.662 [INFO] [xxx.xxx.xxx.xxx:39731] connection to [/tmp/lshttpd/APVH_florist2_Suphp.sock.379] on request #1, confirmed, 1, associated process: 29715, running: 1, error: Connection reset by peer!
2015-10-17 11:18:13.663 [INFO] Process: 29715, killed by signal: 11, core dump: 128
2015-10-17 11:18:13.668 [INFO] [xxx.xxx.xxx.xxx:39731] PID: 28175, add child process pid: 29721, procinfo: 0x3956ef0
2015-10-17 11:18:14.328 [INFO] [xxx.xxx.xxx.xxx:39731] connection to [/tmp/lshttpd/APVH_florist2_Suphp.sock.379] on request #0, confirmed, 1, associated process: 29721, running: 1, error: Connection reset by peer!
2015-10-17 11:18:14.328 [NOTICE] [xxx.xxx.xxx.xxx:39731] Max retries has been reached, 503!
2015-10-17 11:18:14.328 [NOTICE] [xxx.xxx.xxx.xxx:39731] oops! 503 Service Unavailable^M
2015-10-17 11:18:14.329 [NOTICE] [xxx.xxx.xxx.xxx:39731] Content len: 0, Request line: 'GET / HTTP/1.1'
2015-10-17 11:18:14.329 [INFO] [xxx.xxx.xxx.xxx:39731] Cookie len: 1386, __gads=ID=36f270dc08d163ad:T=1435326702:S=ALNI_MbuCo60d_JLqJegJy4oxwUQvC3iuw; ju_sid=%7BE4D79264-F13E-4E4E-8EEE-1E2578EC06BC%7D; _ga=GA1.2.1135665265.1434730091; xf_FilterList_adminphptemplates=0%2Cgoog; ju_data_all=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; wordpress_test_cookie=WP+Cookie+check; wordpress_logged_in_594c4b79a2bc0767a83ff98cc64f9d8b=theRKF%7C1446238924%7Cbuj7DI0zBNyZXmYO7s6WFNzR6G8cNVmfpuyNP5M6OW6%7C1a6763bc5ea2eb3e1b3744cf4b6bd6324cfc2e50348aa4140df00714a5ee26a2; wp-settings-1=libraryContent%3Dbrowse%26editor%3Dtinymce; wp-settings-time-1=1445032264; __utma=231752008.1135665265.1434730091.1445030720.1445034876.64; __utmc=231752008; __utmz=231752008.1444052185.56.8.utmcsr=flowerchat.com|utmccn=(referral)|utmcmd=referral|utmcct=/; __utmv=231752008.exclude_from_analytics
2015-10-17 11:18:14.329 [INFO] [xxx.xxx.xxx.xxx:39731] abort request..., code: 4
2015-10-17 11:18:14.329 [INFO] [xxx.xxx.xxx.xxx:39731] File not found [/xxxxxxxxxx/503.shtml]
2015-10-17 11:18:14.329 [INFO] Process: 29721, killed by signal: 11, core dump: 128
 
T

theRKF

Well-Known Member
#5
#5
Yes, that was it - but we weren't getting any log data until I switched from PHP 5.5.x to 5.6.x.

I guess that's one of the benefits of having multiple PHP installations active on our box :)
 
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