stas 2004/03/11 01:21:07 Modified: src/docs/2.0/api/Apache Reload.pod Log: "Failing to Find a File to Reload" discussion Revision Changes Path 1.9 +20 -0 modperl-docs/src/docs/2.0/api/Apache/Reload.pod Index: Reload.pod =================================================================== RCS file: /home/cvs/modperl-docs/src/docs/2.0/api/Apache/Reload.pod,v retrieving revision 1.8 retrieving revision 1.9 diff -u -u -r1.8 -r1.9 --- Reload.pod 14 Jan 2004 09:23:47 -0000 1.8 +++ Reload.pod 11 Mar 2004 09:21:07 -0000 1.9 @@ -224,6 +224,26 @@ time errors if there are any, but the symbols don't get imported to the right namespace. Therefore the old version of the code is running. + +=head2 Failing to Find a File to Reload + +C<Apache::Reload> uses C<%INC> to find the files on the filesystem. If +an entry for a certain filepath in C<%INC> is relative, +C<Apache::Reload> will use C<@INC> to try to resolve that relative +path. Now remember that mod_perl freezes the value of C<@INC> at the +server startup, and you can modify it only for the duration of one +request when you need to load some module which is not in on of the +C<@INC> directories. So a module gets loaded, and registered in +C<%INC> with a relative path. Now when C<Apache::Reload> tries to find +that module to check whether it has been modified, it can't find since +its directory is not in C<@INC>. So C<Apache::Reload> will silently +skip that module. + +You can enable the C<Debug|/Debug> mode to see what C<Apache::Reload> +does behind the scenes. + + + =head2 Problems with Scripts Running with Registry Handlers that Cache the Code The following problem is relevant only to registry handlers that cache
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