It's the last rewrite rule that's causing the infinite recursion: 
RewriteRule ^/galaxy(.*) http://localhost:8080$1 [P] 

Check out this link: 
http://httpd.apache.org/docs/current/mod/mod_rewrite.html#rewriterule 
Look for the table of given rules and resulting substitutions - the proxying 
appears to be supported for other hosts but not the same host. 

-Scott 

----- Original Message -----

> Here is a copy of the whole VirtualHost section.
> Thanks,
> Adhemar

> <VirtualHost lbas046.cnptia.embrapa.br:443 >

> ServerName lbas046.cnptia.embrapa.br
> ErrorLog logs/galaxy_ssl_error_log
> TransferLog logs/galaxy_ssl_access_log
> LogLevel warn

> SSLEngine on

> SSLCertificateFile /etc/pki/tls/certs/lbas046.cnptia.embrapa.br.crt
> SSLCertificateKeyFile
> /etc/pki/tls/private/lbas046.cnptia.embrapa.br.key.insecure
> SSLCACertificateFile /etc/pki/tls/certs/cacert.pem

> RewriteEngine on
> RewriteRule ^/galaxy$ /galaxy/ [R]
> RewriteRule ^/galaxy/static/style/(.*)
> /opt/bioinformatics/share/galaxy-central/static/june_2007_style/blue/$1
> [L]
> RewriteRule ^/galaxy/static/scripts/(.*)
> /opt/bioinformatics/share/galaxy-central/static/scripts/packed/$1
> [L]
> RewriteRule ^/galaxy/static/(.*)
> /opt/bioinformatics/share/galaxy-central/static/$1 [L]
> RewriteRule ^/galaxy/favicon.ico
> /opt/bioinformatics/share/galaxy-central/static/favicon.ico [L]
> RewriteRule ^/galaxy/robots.txt
> /opt/bioinformatics/share/galaxy-central/static/robots.txt [L]
> RewriteRule ^/galaxy(.*) http://localhost:8080$1 [P]

> <Location "/galaxy">
> AuthType Basic
> AuthName Galaxy_pam
> AuthPAM_Enabled on
> Require valid-user

> RewriteEngine On
> RewriteCond %{LA-U:REMOTE_USER} (.+)
> RewriteRule . - [E=RU:%1]
> RequestHeader set REMOTE_USER "%{RU}e" env=RU
> </Location>

> </VirtualHost>

> 2012/8/22 Nate Coraor < n...@bx.psu.edu >

> > On Aug 21, 2012, at 4:44 PM, Adhemar wrote:
> 

> > > Hi,
> 
> > > There's this error message in my apache log:
> 
> > >
> 
> > > [error] Request exceeded the limit of 10 subrequest nesting
> > > levels
> > > due to probable confguration error. Use 'LimitInternalRecursion'
> > > to increase the limit if necessary. Use 'LogLevel debug' to get a
> > > backtrace., referer: ...
> 
> > >
> 
> > >
> 
> > > When I turn the apache debug log on it also shows:
> 
> > >
> 
> > >
> 
> > > [debug] core.c(3072): r->uri = /galaxy/proxy:
> > > http://localhost:8080/proxy:http://localhost:8080/proxy:http://localhost:8080/proxy:http://localhost:8080/proxy:http://localhost:8080/proxy:http://localhost:8080/proxy:http://localhost:8080/proxy:http://localhost:8080/proxy:http://localhost:8080/proxy:http://localhost:8080/root/history_item_updates
> > > , referer: ...
> 
> > >
> 
> > >
> 
> > > It seems like mod_rewrite is somehow misconfigured, but I
> > > couldb't
> > > figure out what it is.
> 
> > >
> 
> > > Here is my httpd.con mod_rewrite conf:
> 
> > >
> 
> > >
> 
> > > RewriteEngine on
> 
> > > RewriteRule ^/galaxy$ /galaxy/ [R]
> 
> > > RewriteRule ^/galaxy/static/style/(.*)
> > > /opt/bioinformatics/share/galaxy-central/static/june_2007_style/blue/$1
> > > [L]
> 
> > > RewriteRule ^/galaxy/static/scripts/(.*)
> > > /opt/bioinformatics/share/galaxy-central/static/scripts/packed/$1
> > > [L]
> 
> > > RewriteRule ^/galaxy/static/(.*)
> > > /opt/bioinformatics/share/galaxy-central/static/$1 [L]
> 
> > > RewriteRule ^/galaxy/favicon.ico
> > > /opt/bioinformatics/share/galaxy-central/static/favicon.ico [L]
> 
> > > RewriteRule ^/galaxy/robots.txt
> > > /opt/bioinformatics/share/galaxy-central/static/robots.txt [L]
> 
> > > RewriteRule ^/galaxy(.*) http://localhost:8080$1 [P]
> 

> > Hi Adhemar,
> 

> > I've moved this over to the galaxy-dev list since it's concerning a
> > local installation.
> 

> > Are there any other RewriteRules defined? Are these directives
> > inside
> > another block, or just inside a <VirtualHost>? It would be useful
> > to
> > see your entire VirtualHost config.
> 

> > --nate
> 

> > >
> 
> > >
> 
> > > Could you please help me to debug this?
> 
> > >
> 
> > > Thank you,
> 
> > > Adhemar
> 
> > > ___________________________________________________________
> 
> > > The Galaxy User list should be used for the discussion of
> 
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> 
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> 
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> 
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> 
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> 
> > >
> 
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> 
> > >
> 
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> 
> > > please use the interface at:
> 
> > >
> 
> > > http://lists.bx.psu.edu/
> 

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