2016-01-07 9:36 GMT+03:00 Prashant Kaujalgi <prashant.kauja...@e-nxt.com>: > Dear Team, > > > > First of all, I want to apologies if there is a well known fix to my > problem. > > > > Environment: > > OS: Windows server 2008 > > Tomcat application server: Apache Tomcat 7.0.63 > > Web server : Apache 2.2 > > JRE build : jdk1.6.0_23 > > Connection pooling: Tomcat jdbc connection pooling (Tomcat-jdbc.jar) > > > > We are having web based application hosted on Tomcat 7. We are facing > close_wait issue between tomcat and database > > server. After certain time period close_wait count increases and reaches > threshold (maxActive="500") after which tomcat was unable to create new > thread and we have to restart the service. > > > > Our observation is that Oracle closes the connection and Tomcat is not able > to close the same connection and hence resulting in close_wait > > > > Below is the sample netstat when CLOSE_WAIT was there. Application server is > 192.168.15.109 with 219 database server listing on 1527 port. > > > > TCP 192.168.xx.xx:51588 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51621 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51622 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51623 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51632 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51647 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51648 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51658 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51659 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51691 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51699 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51705 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51706 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51722 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51724 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51725 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51744 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51805 172.16.xx.xx:1527 CLOSE_WAIT 3812 > > TCP 192.168.xx.xx:51807 172.16.xx.xx:1527 CLOSE_WAIT 3812 >
What is your actual configuration? Also, https://bz.apache.org/bugzilla/show_bug.cgi?id=58610#c2 --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
