For quite a long time now, we've intermittently been receiving Error 500 when doing puppet runs. There's nothing bad in the puppetmaster log, but the Apache log on the puppetmaster shows a segfault (see below). Any ideas for debugging/fixing this? Thanks, Jonathan [jg4461@radius03 ~]$ sudo puppet agent -t Notice: Ignoring --listen on onetime run Info: Retrieving pluginfacts Info: Retrieving plugin Info: Loading facts Info: Loading facts Warning: The package type's allow_virtual parameter will be changing its default value from false to true in a future release. If you do not want to allow virtual packages, please explicitly set allow_virtual to false. (at /usr/lib/ruby/site_ruby/1.8/puppet/type/package.rb:430:in `default') Error: Could not retrieve catalog from remote server: Error 500 on SERVER: <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN"> <html><head> <title>500 Internal Server Error</title> </head><body> <h1>Internal Server Error</h1> <p>The server encountered an internal error or misconfiguration and was unable to complete your request.</p> <p>Please contact the server administrator, [no address given] and inform them of the time the error occurred, and anything you might have done that may have caused the error.</p> <p>More information about this error may be available in the server error log.</p> <hr> <address>Apache/2.2.15 (CentOS) Server at puppet Port 8140</address> </body></html> Warning: Not using cache on failed catalog Error: Could not retrieve catalog; skipping run [Thu Oct 02 12:42:04 2014] [error] [client 137.222.7.114] Premature end of script headers: radius03.nomadic-core.bris.ac.uk [ pid=7969 thr=140310963910624 file=ext/apache2/Hooks.cpp:841 time=2014-10-02 12:42:04.312 ]: The backend application (process 16160) did not send a valid HTTP response; instead, it sent nothing at all. It is possible that it has crashed; please check whether there are crashing bugs in this application. /usr/lib/ruby/1.8/pathname.rb:286: [BUG] Segmentation fault ruby 1.8.7 (2011-06-30 patchlevel 352) [x86_64-linux] -- You received this message because you are subscribed to the Google Groups "Puppet Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to puppet-users+unsubscribe@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/puppet-users/542D4CE5.6040901%40bristol.ac.uk. For more options, visit https://groups.google.com/d/optout.