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DebugVariables » History » Revision 21

Revision 20 (gstrauss, 2017-01-31 13:42) → Revision 21/22 (gstrauss, 2022-02-14 03:01)

h1. Debug Variables 

 {{>toc}} 

 The debug output will be written to the error.log. Please keep in mind that you can have only one global error.log. 

 If you don't know which debug option to go for, start with 
 <pre> 
 debug.log-request-handling = "enable" 
 </pre> 

 To enable these settings, set them to "enable". 

 h2. Core 


 *debug.log-request-header* 
     log all request headers. 

     default: disabled 

 *debug.log-request-header-on-error* 
     log request header, but only when there is an error.  

     default: disabled 

 *debug.log-response-header* 
     log the header we send out to the client. 

     default: disabled 


 *debug.log-file-not-found* 
     log if a file wasn't found. 

     default: disabled 

 *debug.log-request-handling* 
    log request handling inside lighttpd.  
 
    default: disabled 

 *debug.log-condition-handling* 
     log conditionals handling for debugging 

     default: disabled 
     See http://blog.lighttpd.net/articles/2006/04/02/log-condition-handling-the-hidden-feature-for-debuging 

 *debug.log-condition-cache-handling* 
    for developers only 

    default: disabled  

 *debug.log-ssl-noise* 
    log some ssl warnings we hide by default (ssl handshake, unknown/bad certificate). 

    default: disabled 

 *debug.log-timeouts* 
    NOTE: a request for /xxx.. timed out after writing xxx bytes. We waited xxx seconds. If this a problem increase server.max-write-idle 

    default: disabled 



 h2. mod_fastcgi mod_fcgi - Fastcgi Module 


 *fastcgi.debug* 
     a value between 0 and 65535 to set the debug-level in the FastCGI module. Currently only 0 and 1 are used. Use 1 to enable some debug output, 0 to disable it. 

 see also [[lighttpd:Docs_ModFastCGI|fastcgi troubleshooting (bottom of page)]] 



 h2. mod_proxy - Proxy Module 


 *proxy.debug* 
 a value between 0 and 65535 to set the debug-level in the Proxy module. Currently only 0 and 1 are used. Use 1 to enable some debug output, 0 to disable it. 


 h2. mod_simple_vhost - Simple Vhost Module 


 simple-vhost.debug = 1  


 h2. mod_trigger_b4_dl - Trigger Before Download Module 


 trigger-before-download.debug = "disable" 



 h2. mod_status - Status Module 


 mod_status is also a great tool to troubleshoot lighttpd. 
 The server status module generates the status overview of the webserver. The information covers: 

 ** uptime 
 ** average throughput 
 ** current throughput 
 ** active connections and their state 

 [[lighttpd:Docs_ModStatus|Documentation for mod_status]] 


 h2. mod_webdav - !WebDav module 


 webdav.log-xml = "enable" 

 log the XML Request bodies for debugging 





 h2. See Also 


 * [[HowToReportABug|How To backtrace, strace, ktrace memory leaks]] 
 * "Log Condition Handling":http://blog.lighttpd.net/articles/2006/04/02/log-condition-handling-the-hidden-feature-for-debuging Blog Entry