-----Original Message----- From: David kerber [mailto:dcker...@verizon.net] Sent: Thursday, February 12, 2015 9:40 AM To: Tomcat Users List Subject: Re: tomcat severe error when shutting down service but startup is clean
On 2/12/2015 9:06 AM, Wirth, Kevin wrote: > I keep getting these weird tomcat errors on shutdown on a newly built system > using tomcat 7.0.57 on a windows 2012 server with jdk 1.7 that I can't > figure out. This is the catalina log: > Feb 12, 2015 8:54:31 AM org.apache.catalina.loader.WebappClassLoader > clearReferencesJdbc > SEVERE: The web application [/identityiq] registered the JDBC driver > [com.microsoft.sqlserver.jdbc.SQLServerDriver] but failed to unregister it > when the web application was stopped. To prevent a memory leak, the JDBC > Driver has been forcibly unregistered. > Feb 12, 2015 8:54:31 AM org.apache.catalina.loader.WebappClassLoader > clearReferencesThreads > SEVERE: The web application [/identityiq] appears to have started a thread > named [Thread-3] but has failed to stop it. This is very likely to create a > memory leak. >>> I ran into this a while back, and it means exactly what it says: the db >>> driver is being registered (loaded), but not being unloaded. I fixed it by >>> putting the db driver unload commands in a contextDestroyed method. David I have the same issue as Kevin. What "unload commands" code did you call in the contextDestroyed method? Are those methods "universal"? The reason I ask is because we use different ODBC drivers for different environments. > > The jdbc driver I am using is in the folder identityiq under the webapps > directory in tomcat. It is the sqljdbc4.jar driver. This driver is not in > the tomcat\lib directory. Please help because I am getting no help from the > vender. Thank you. > > Kevin Wirth > [...] > -- Cris Berneburg, Lead Software Engineer CACI, IRMA Project, 703-679-5313 --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org