Just wondering if there are any consultants out there that would like to tackle this?
If so, please email me off list with proposed solution, pricing, etc: [EMAIL PROTECTED] Thanks, Jessica On Tue, Mar 18, 2008 at 12:53 PM, Jessica Johnson <[EMAIL PROTECTED]> wrote: > Hi all, > > I have a web application running on Tomcat 5.5.23 with an Apache 2.2.4 > webserver using the jk 1.2.22 connector. I am seeing some strange > behavior - I have started to get only the first part of a response > when requesting large pages on lower bandwidth (1024 Kbps) > connections. Here is an excerpt from the Apache access log: > > XXX.XXX.XXX.XXX - - [18/Mar/2008:12:37:23 -0500] "GET > /reporting/data_reports.jsf HTTP/1.1" 200 69638 > YYY.YYY.YYY.YYY - - [18/Mar/2008:12:36:34 -0500] "GET > /reporting/data_reports.jsf HTTP/1.1" 200 210513 > > IP YYY.YYY.YYY.YYY is being served the full 210,513 bytes, but IP X is > only being served the 69,638. Note that the POST parameters were > exactly the same for the two requests, so they should be serving the > exact same page. But IP X gets only the first part. > > From this it looks like the problem is with either Tomcat not creating > the entire request, or with the jk connector not passing the request > to Apache. I sometimes get this error in the mod_jk log: > > [Tue Mar 18 12:10:32 2008] [5016:5600] [info] jk_ajp_common.c (1448): > Writing to client aborted or client network problems > [Tue Mar 18 12:10:32 2008] [5016:5600] [info] jk_ajp_common.c (1857): > (worker2) request failed, because of client write error without > recovery in send loop attempt=0 > [Tue Mar 18 12:10:32 2008] [5016:5600] [info] mod_jk.c (2247): > Aborting connection for worker=worker2 > > but I have far more truncated responses than I do mod_jk errors. > > I have increased every single timeout related configuration option I > can find to what I think are stupidly high levels hoping to stumble > across something that will resolve the issue. Does anyone have an > idea about this? > > Here are snippets from my configurations. Please let me know if I > should include more detail. > > > ***** httpd.conf ****** > > > # Enable compression of responses > AddOutputFilterByType DEFLATE text/html text/plain text/xml > > > # Config for mod_jk > <IfModule !mod_jk.c> > LoadModule jk_module "C:/Program Files/Apache Software > Foundation/Apache2.2/modules/mod_jk.so" > </IfModule> > > JkWorkersFile "C:/Program Files/Apache Software Foundation/Tomcat > 5.5/conf/jk/workers.properties" > JkLogFile "C:/Program Files/Apache Software Foundation/Tomcat > 5.5/logs/mod_jk.log" > JkLogLevel info > > <VirtualHost ZZZ.ZZZ.ZZZ.ZZZ:80> > > RewriteEngine on > RewriteRule ^/reporting/(.*)$ https://www.example.com/reporting/$1 [R,L] > > </VirtualHost> > > <VirtualHost ZZZ.ZZZ.ZZZ.ZZZ:443> > ServerName http://www.example.com > SSLEngine on > SSLCertificateFile "C:/Program Files/Apache Software > Foundation/Apache2.2/conf/www.example.com.crt" > SSLCertificateKeyFile "C:/Program Files/Apache Software > Foundation/Apache2.2/conf/www.example.com.2.key" > > JkMount /reporting/* worker2 > > </VirtualHost> > > TimeOut 24000 > KeepAliveTimeout 600 > > > **** server.xml **** > > <!-- Define the Tomcat Stand-Alone Service --> > <Service name="Catalina"> > > <!-- Define a non-SSL HTTP/1.1 Connector on port 8080 --> > <Connector port="8080" maxHttpHeaderSize="8192" maxThreads="150" > minSpareThreads="25" maxSpareThreads="75" enableLookups="false" > redirectPort="8443" acceptCount="100" disableUploadTimeout="true" > connectionTimeout="3600000"/> > <!-- Define an AJP 1.3 Connector on port 8009 --> > <Connector port="8009" maxThreads="150" minSpareThreads="25" > maxSpareThreads="75" enableLookups="false" redirectPort="8443" > acceptCount="100" disableUploadTimeout="true" > connectionTimeout="3600000" protocol="AJP/1.3"/> > > <Realm className="org.apache.catalina.realm.UserDatabaseRealm"/> > > <Listener className="org.apache.jk.config.ApacheConfig" > modJk="C:/Program Files/Apache Software > Foundation/Apache2.2/modules/mod_jk.so" /> > > > <Host name="localhost" appBase="C:/Program Files/Apache Software > Foundation/Tomcat 5.5/webapps" > unpackWARs="true" autoDeploy="true" expireSessionsOnShutdown="true" > xmlValidation="false" xmlNamespaceAware="false"> > > </Host> > > </Engine> > > </Service> > > </Server> > > > > **** workers.properties ***** > > # Define some properties > workers.apache_log="C:\Program Files\Apache Software > Foundation\Apache2.2\logs\error.log" > workers.tomcat_home="C:\Program Files\Apache Software Foundation\Tomcat 5.5" > workers.java_home="C:\Program Files\Java\jrockit-R27.2.0-jre1.5.0_10" > ps=\ > # Define 2 workers, 1 real workers using ajp13, the last one being a > loadbalancing worker > worker.list=worker2,worker4 > > # Set properties for worker2 (ajp13) > worker.worker2.type=ajp13 > worker.worker2.host=127.0.0.1 > worker.worker2.port=8009 > worker.worker2.lbfactor=1 > #worker.worker2.connection_pool_timeout=0 > worker.worker2.socket_keepalive=true > worker.worker2.socket_timeout=0 > worker.worker2.connection_pool_minsize=2400 > worker.worker2.connection_pool_timeout=3600 > worker.worker2.retries=5 > worker.worker2.reply_timeout=0 > > > # Set properties for worker4 (lb) which use worker2 > worker.worker4.type=lb > worker.worker4.balance_workers=worker2 > worker.worker4.retries=5 > worker.worker4.connection_pool_timeout=3600 > worker.worker4.connection_pool_minsize=2400 > worker.worker4.reply_timeout=0 > --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
