I can find no reference to this in the FAQ, by search engine on the web or directly in the mail archives. I have reduced the installation and configuration to the simplest I can, and the effect is unchanged. There is a detailed report of this below. For simplicity, only text files were used in the test. The test action is thus equivalent to a simple internal rewrite.
I am using Mac OSX, so I have to compile my own binaries. Is my compilation wrong in some way?
If not, is the extra redirection useful in some way I have not understood? Is there a way to prevent the extra redirection? TEST DETAILS --- Purpose of testDiscover what redirections occur when a very simple mod_actions action is used in a minimal installation.
--- Conclusion One unexpected redirection occurred after the expected behaviour. It appears to be redundant. It has no apparent effect on the content of responses. It appears to cause inefficiencyThe unexpected redirection's target can exist only if the action is itself redirected.
--- Server G4 PowerPC Mac OSX 10.4.9 Xcode Version 2.2.1 (The same behaviour occurs with Version 2.4.1). libtool version "Apple Computer, Inc. version cctools-590.23.2" * (The same behaviour occurs with cctools-622.5) * IP address 192.168.1.2* libtool seems to be be irrelevant; 2.2.4 is an official Apache httpd release.
--- Client /etc/hosts contains the line 192.168.1.2 example.com --- Apache expansion, compilation, and accommodation (on the test http server) tar xvf httpd-2.2.4.tar cd httpd-2.2.4 ./configure --prefix=/opt/apache2 \ --disable-alias \ --disable-asis \ --disable-auth \ --disable-autoindex \ --disable-access \ --disable-cgi \ --disable-dir \ --disable-env \ --disable-imagemap \ --disable-negotiation \ --disable-status \ --disable-userdir \ --enable-rewrite make sudo make install sudo mkdir /private/var/log/httpd_example ---Web documents (all in the document root /Library/WebServerExample/Documents/)
alternative (with content "Alternative text") direct (with content "Directly accessed") favicon.ico (with no contents) original.alternate (with contents "Original text") --- config file changes DocumentRoot "/Library/WebServerExample/Documents" #DocumentRoot "/opt/apache2/htdocs" <Directory "/Library/WebServerExample/Documents"> #<Directory "/opt/apache2/htdocs"> ErrorLog /private/var/log/httpd_example/error_log #ErrorLog logs/error_log CustomLog /private/var/log/httpd_example/access_log common #CustomLog logs/access_log common #ScriptAlias /cgi-bin/ "/opt/apache2/cgi-bin/" #<Directory "/opt/apache2/cgi-bin"> #AllowOverride None #Options None #Order allow,deny #Allow from all #</Directory> # Rules under test... AddHandler alt .alternate Action alt /alternative RewriteLog "/private/var/log/httpd_example/rewrite_log" RewriteEngine On RewriteLogLevel 9 --- Stimuli and responses Using Safari, requested, each in a fresh window, two URLs... http://example.com/direct returned "Directly accessed" http://example.com/original.alternate returned "Alternative text" --- Error log[Wed Apr 11 11:05:01 2007] [notice] Apache/2.2.4 (Unix) configured -- resuming normal operations
--- Access log 192.168.1.2 - - [11/Apr/2007:11:09:19 +0100] "GET /direct HTTP/1.1" 200 19192.168.1.2 - - [11/Apr/2007:11:09:19 +0100] "GET /favicon.ico HTTP/1.1" 200 2 192.168.1.2 - - [11/Apr/2007:11:14:22 +0100] "GET /original.alternate HTTP/1.1" 200 18
--- Rewrite log192.168.1.2 - - [11/Apr/2007:11:09:19 +0100] [example.com/sid#180ad98][rid#189ea50/initial] (2) init rewrite engine with requested uri /direct 192.168.1.2 - - [11/Apr/2007:11:09:19 +0100] [example.com/sid#180ad98][rid#189ea50/initial] (1) pass through /direct 192.168.1.2 - - [11/Apr/2007:11:09:19 +0100] [example.com/sid#180ad98][rid#189ea50/initial] (2) init rewrite engine with requested uri /favicon.ico 192.168.1.2 - - [11/Apr/2007:11:09:19 +0100] [example.com/sid#180ad98][rid#189ea50/initial] (1) pass through /favicon.ico 192.168.1.2 - - [11/Apr/2007:11:14:22 +0100] [example.com/sid#180ad98][rid#189ea50/initial] (2) init rewrite engine with requested uri /original.alternate 192.168.1.2 - - [11/Apr/2007:11:14:22 +0100] [example.com/sid#180ad98][rid#189ea50/initial] (1) pass through /original.alternate 192.168.1.2 - - [11/Apr/2007:11:14:22 +0100] [example.com/sid#180ad98][rid#18a0490/initial/redir#1] (2) init rewrite engine with requested uri /alternative/original.alternate 192.168.1.2 - - [11/Apr/2007:11:14:22 +0100] [example.com/sid#180ad98][rid#18a0490/initial/redir#1] (1) pass through /alternative/original.alternate
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