Hi, I kept on testing with the attributes max_packet_size and packetSize (in worker.properties and server.xml) and it appears to fix the large header problem. Does this mean that all the headers together have to fit into a buffer which size is set by max_packet_size? Thanks - Fredk fredk2 wrote: > > Hi, > > When I send a request to Tomcat via mod_jk I get the following error (code > 413): > > Request Entity Too Large > The requested resource > /myapp/jsp/cookieshowvalue.jsp > does not allow request data with GET requests, or the amount of data > provided in the request exceeds the capacity limit. > > I total size of my headers/cookies is about 7.5KB on Solaris 10 and 9.8KB > on RH Linux. I made sure that Apache's limit was set way above its default > of 8K (LimitRequestFieldSize 25000) > > The mod_jk logfiles shows: > [Mon Mar 02 14:42:22.856 2009] [27893:4136860560] [error] > ajp_marshal_into_msgb::jk_ajp_common.c (417): failed appending the header > value > [Mon Mar 02 14:42:22.856 2009] [27893:4136860560] [info] > ajp_service::jk_ajp_common.c (2042): Creating AJP message failed, without > recovery > [Mon Mar 02 14:42:22.856 2009] [27893:4136860560] [info] > service::jk_lb_worker.c (1188): unrecoverable error 413, request failed. > Client failed in the middle of request, we can't recover to another > instance. > [Mon Mar 02 14:42:22.856 2009] myWorker test.domain.com > /myapp/jsp/cookieshowvalue.jsp 200 0.000316 0 HTTP/1.1 GET > [Mon Mar 02 14:42:22.856 2009] [27893:4136860560] [info] > jk_handler::mod_jk.c (2357): Aborting connection for worker=myWorker > > The problem is apparent with any version of Apache or mod_jk or Tomcat (I > am testing with 2.2.11, 1.2.26, 6.0.14) > > I read the following doc > http://tomcat.apache.org/connectors-doc/ajp/ajpv13a.html which says there > is no limit: > > "This works on the assumption that no header names will have length > greater than 0x9999 (==0xA000 - 1), which is perfectly reasonable, though > somewhat arbitrary. (If you, like me, started to think about the cookie > spec here, and about how long headers can get, fear not -- this limit is > on header names not header values. It seems unlikely that unmanageably > huge header names will be showing up in the HTTP spec any time soon)." > > I tried to read some of the source code jk_ajp_common.c ... but i cannot > figure out where the limit for the header array(s) comes from. > > Any idea guidance troubleshooting tips are welcome... > > Regards - Fred > -- View this message in context: http://www.nabble.com/Is-there-a-known-Header-limit-in-mod_jk-%28or-bug%29--tp22297260p22308224.html Sent from the Apache HTTP Server - Users mailing list archive at Nabble.com. --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx