Perhaps also compare your logging sensitivity between the servers.
Dream * Excel * Explore * Inspire Jon McAlexander Asst Vice President Middleware Product Engineering Enterprise CIO | Platform Services | Middleware | Infrastructure Solutions 8080 Cobblestone Rd | Urbandale, IA 50322 MAC: F4469-010 Tel 515-988-2508 | Cell 515-988-2508 jonmcalexan...@wellsfargo.com This message may contain confidential and/or privileged information. If you are not the addressee or authorized to receive this for the addressee, you must not use, copy, disclose, or take any action based on this message or any information herein. If you have received this message in error, please advise the sender immediately by reply e-mail and delete this message. Thank you for your cooperation. -----Original Message----- From: Christopher Schultz <ch...@christopherschultz.net> Sent: Thursday, June 11, 2020 12:55 PM To: users@tomcat.apache.org Subject: Re: Warning "AJP13 protocol: Reuse is set to false" written logs every second of every day. Please help. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Alfred, On 6/11/20 11:57, Alfred Bakia wrote: > Hi Everyone, > > This is my very first mail to the users list since joining yesterday. > Not an auspicious start. But I hope I will be able to contribute in > future. I seek your help for a persistent issue in one of our > ColdFusion instances. > > Description of issue: ColdFusion 2018 is an application server that > uses Tomcat 9.0.21. Our ColdFusion installation consists of instances. > The instances are independent application servers, each with its own > Tomcat installation and Java Virtual Machine. The Java version is > 11.0.7. > > Each ColdFusion instance serves web content via the web server IIS. > We have configured an AJP connector for the communication between > Tomcat and IIS. The relevant settings are > > > * In server.xml > > <Connector port="8012" connectionTimeout="60000" > redirectPort="8445" protocol="AJP/1.3" tomcatAuthentication="false" > maxThreads="500" packetSize="65535"/> > > > * In isapi_redirect.properties > > iis_buffer_enable= true > > > * In workers.properties > > worker.list=sr1studierdr1 > > worker.sr1studierdr1.type=ajp13 > > worker.sr1studierdr1.host=localhost > > worker.sr1studierdr1.port=8012 > > worker.sr1studierdr1.connection_pool_size=800 > > worker.sr1studierdr1.connection_pool_timeout=60 > > worker.sr1studierdr1.max_reuse_connections=400'' > > On one of the instances (name: 'sr1studierdr1'), the following WARNING > is written to isapi_redirect.log every second or so: > > > * [Thu Jun 11 16:44:57.739 2020] [11308:15392] [warn] > ajp_process_callback::jk_ajp_common.c (2242): (sr1studierdr1) AJP13 > protocol: Reuse is set to false > > Nevertheless, the application seems to work as intended. > > We're at a loss why this is happening only to this particular > instance. There are no such warnings in other instances that share > exactly the same settings. > > Do you know what is causing the warning, "AJP13 protocol: Reuse is set > to false", or how to solve this? I have no idea, but Google seemed able to come up with this: https://forums.iis.net/t/1229345.aspx?Error+AJP13+protocol+Reuse+is+set+ to+false+on+log+file+ Does that help at all? Apache httpd configuration of mod_jk has a DisableReuse flag that can be set, but I don't see such a thing for IIS. - -chris -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQIzBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAl7ib9wACgkQHPApP6U8 pFiTzxAAljUf3DhO5zCex044toYxhtsrjb0ARCpFggrOXWiKBHHAyvnsMe/d1CFb Tp5BLQdoWD1qorCkXMvFAYAdFOcbgmxMuUb3dkyHiq9JMZxINz3vOUXGtyqKfTLd IT8VZ+kUSUq3brcoqMdkCNNpILAVNprtwCJdMoPSilVufG2vksjbBS2PT6YzSsXS EaOb138vVb82HA6vvtOsi9EbOvh1cRVhZ2sIQlvrYsoTjeRD4QmRbmIQw+TcMPag gtZtf46TyAtQSOs1L50LxRL1YXQLpsFNLKMItgTXEcooA/0RXUK1p8uG3Mr4G2my L88nDE7zNxbGUHVGmMDx7p8EN839xcI1fEZJWv9+hTP/GbnsWR8TFNxWbv3Jjn7U sOayEP/bgrFivKof57owHOo1FzcKaNGciUSMTTtUKqjHv0UpgcFAP1dAl5Py2xc7 E/oIw8ulgkxzri7Ge+Tczkt9CQlZIai8ZeIqtHpXtMEO6WRyC6qUZEmjq2PDMQLz 8c1UFqnfKcGHNaHGgQBL4MPxvl/lyIRa0CtxP7NsytsCnBOWzpVRY1EV7G8595Kg tAHDf3x/ogQFl/bRptRnoOU2pbd5VsFZpiEkoAntwdTV5pVZJfDAkbKNgrGdLI3/ Az7EIFdKrbNMk48fsHtdRnhLcGavqJ+x4dZ+U8xi2TcRcCe5xoQ= =0ac3 -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org