-----Original Message----- From: Daniel Mikusa [mailto:dmik...@pivotal.io] Sent: Thursday, February 12, 2015 11:34 AM To: Tomcat Users List Subject: Re: tomcat severe error when shutting down service but startup is clean
On Thu, Feb 12, 2015 at 11:20 AM, Wirth, Kevin <kwi...@astoriabank.com> wrote: > > > -----Original Message----- > From: Daniel Mikusa [mailto:dmik...@pivotal.io] > Sent: Thursday, February 12, 2015 9:52 AM > To: Tomcat Users List > Subject: Re: tomcat severe error when shutting down service but > startup is clean > > On Thu, Feb 12, 2015 at 9:43 AM, Wirth, Kevin <kwi...@astoriabank.com> > wrote: > > > If I move it won't the app break because it will look for the driver > > in the folder and not find it? > > > > 1.) Please don't top post. Reply inline like this or at the bottom. > > 2.) No. The app doesn't look for the driver in that specific location. > It looks on the classpath. Since the lib directory is also on the > classpath, it will still be available. > > Dan > Update: I added this to the java tab > -Dsun.lang.ClassLoader.allowArraySyntax=true and all of the severe > errors are gone except one: > Feb 12, 2015 11:14:17 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. > > Any ideas? > Something in your app is starting a thread. Because the app starts the thread, it's responsible to cleaning it up. This message is telling you that the thread is not being cleaned up. If you take a thread dump when your app is running and then stop the app, you should be able to get an idea as to what created this thread. http://wiki.apache.org/tomcat/HowTo#How_do_I_obtain_a_thread_dump_of_my_running_webapp_.3F Dan It should be logging to stderrour correct? I don't see anything extra in that file other than the same severe messages I have been getting. > > > > > -----Original Message----- > > From: Konstantin Kolinko [mailto:knst.koli...@gmail.com] > > Sent: Thursday, February 12, 2015 9:37 AM > > To: Tomcat Users List > > Subject: Re: tomcat severe error when shutting down service but > > startup is clean > > > > You need to move, not copy. > > > > Copying is not enough, as webapp jars are preferred over Tomcat ones. > > Also having the same class in two places may result in a behaviour > > that you do not expect. > > http://tomcat.apache.org/tomcat-7.0-doc/class-loader-howto.html > > > > > > 2015-02-12 17:33 GMT+03:00 Wirth, Kevin <kwi...@astoriabank.com>: > > > Ok, I will copy the driver into tomcat\lib and see what happens. > > > Thank > > you. > > > > > > -----Original Message----- > > > From: Daniel Mikusa [mailto:dmik...@pivotal.io] > > > Sent: Thursday, February 12, 2015 9:31 AM > > > To: Tomcat Users List > > > Subject: Re: tomcat severe error when shutting down service but > > > startup is clean > > > > > > On Thu, Feb 12, 2015 at 9:06 AM, Wirth, Kevin > > > <kwi...@astoriabank.com> > > > 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. > > >> > > > > > > This is saying that there was a problem unregistering this JDBC driver. > > > It's my understanding that this is common for JDBC drivers and why > > > it's > > generally recommended that you put them in either $CATALINA_HOME/lib > > or $CATALINA_BASE/lib instead of bundled with the web app. Can you > > give that a try and see if this message goes away? > > > > > > > > >> 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. > > >> > > > > > > Something (possibly your JDBC driver) in your app is starting a thread. > > > Because the app starts the thread, it's responsible to cleaning it up. > > > This message is telling you that the thread is not being cleaned up. > > > If > > you take a thread dump when your app is running and then stop the > > app, you should be able to get an idea as to what created this thread. > > > > > > > > >> > > >> 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. > > >> > > > > > > Is there any reason it's bundled with the app and not in the lib > > directory? Usually you'd put JDBC drivers in the lib directory. > > > > > > Dan > > > > > > On Thu, Feb 12, 2015 at 9:06 AM, Wirth, Kevin > > > <kwi...@astoriabank.com> > > > 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. > > >> > > >> 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. > > >> > > Astoria Federal Savings is now Astoria Bank. We can now be contacted at our new email addresses @astoriabank.com. This e-mail and any attachments that accompany it are confidential and may be legally privileged. It is intended solely for the use of the individual(s) to whom it was intended to be addressed. 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