On Wed, Apr 22, 2015 at 5:18 AM, Razi <razi...@hotmail.com> wrote: > hi there, > > Another bit of information I wanted to add. > > The apache error log is peppered with the following line : OpenSSL : I/O > error, 5 bytes expected to read on BIO#....... > > Warm Regards > Razi A. Ansari > > > From: Razi > Sent: Tuesday, April 21, 2015 8:37 AM > To: users@tomcat.apache.org > Subject: Apache Tomcat jk connector 400 bad request > > Hi there, > > I would like to explain my scenario, perhaps this has been answered on > this forum. > > A bunch of random Ajax requests from the browser (IE9) end up with a 400 > error code on the apache webserver and the the browser hangs for 5 minutes. > Httpwatch shows the error code as ERROR_INTERNET_CONNECTION_RESET and then > immediately afterwards IE fires the same request again, which shows up with > a time taken of 5 minutes and error code as > ERROR_HTTP_INVALID_SERVER_RESPONSE. The browser recovers after 5 minutes. > > Further investigation on the webserver and appserver logs reveals the > following:: > a.. The request comes from the browser and hits the webserver and then > forwards to the appserver instantly. > b.. The mod_jk log for the request shows that there is time duration of > 5 minutes spent in the ajp_read_fully_server::jk_ajp_common.c(1399): enter. > After 5 minutes I get the next line as follows > ajp_read_fully_server::jk_ajp_common.c(1432): exit. Then in the next line i > see the following ajp_send_request::jk_ajp_common.c(1766) worker 11 browser > stop sending data, no need to recover. Later it shows unrecoverable 400, > request failed. > c.. The forensic.log show the content length as a nonzero value. > d.. The applcation server log hangs in the > org.apache.coyote.ajp.AjpProcessor.read method for 5 mintues and the > continues the execution. The thread dump also confirms this. > The questions I have are:: > a.. Is this a problem with IE only because of the keepalive timeout and > the apache webserver keepalive time(current value is set to 5seconds) out > which is not in sync. > b.. Is this a problem with the appserver not able to process requests > that are bad/incomplete. > c.. Should I increase the Apache webserver timeout value to 60s or more > , will this have any performance impact. > Kindly advise on the scenario. Many thanks for reading through. > > Current setup: > Apache 2.2.24 > Mod_jk 1.2.37 > Redhat Linux VM > JBoss EAP 6.1.0 > JSF 2.1, Richfaces 3.3.4 > > First, I apologize if my comment is offtopic. But you may also consider fronting nginx instead of Apache httpd. It is very easy to configure as reverse proxy for your tomcat and also serve your static files. If Apache is really a requirement kindly ignore my comment
> > > > Warm Regards > Razi A. Ansari > -- Marcos | I love PHP, Linux, and Java <http://javadevnotes.com/java-string-length-examples>
