https://m.mediawiki.org/wiki/Manual:How_to_debug has some info about how to enable mediawiki debug logs.
For syntax highlight, the most common problem is an issue executing external commands. The mediawiki debug log, once enabled will tell you the exact command mediawiki is trying to execute. -- brian On Friday, December 22, 2017, Jeffrey Walton <[email protected]> wrote: > Hi Everyone, > > We are working through an issue with Syntax Highler extension. > Highlighting fails, and the wiki page in question states "Pages with > syntax highlighting errors". It is fairly obvious there's an error > condition somewhere. > > When we check the error log there's nothing present. The only thing > present is the server restart (which baffles me since this is not an > error): > > $ tail -n 8 /var/log/httpd24/error_log > [Fri Dec 22 20:54:04.238747 2017] [http2:warn] [pid 13535] > AH10034: The mpm module (prefork.c) is not supported by mod_http2. The > mpm determines how things are processed in your server. HTTP/2 has > more demands in this regard and the currently selected mpm will just > not do. This is an advisory warning. Your server will continue to > work, but the HTTP/2 protocol will be inactive. > [Fri Dec 22 20:54:04.258176 2017] [mpm_prefork:notice] [pid 13535] > AH00163: Apache/2.4.27 (Red Hat) OpenSSL/1.0.2k-fips PHP/7.1.8 > configured -- resuming normal operations > [Fri Dec 22 20:54:04.258234 2017] [core:notice] [pid 13535] AH00094: > Command line: '/opt/rh/httpd24/root/usr/sbin/httpd -D FOREGROUND' > > How do we trouble shoot this further? What do folks do when errors are > silently swallowed and no messages are logged? > > Jeff > > _______________________________________________ > MediaWiki-l mailing list > To unsubscribe, go to: > https://lists.wikimedia.org/mailman/listinfo/mediawiki-l > _______________________________________________ MediaWiki-l mailing list To unsubscribe, go to: https://lists.wikimedia.org/mailman/listinfo/mediawiki-l
