Jun 21, 2016 8:44:31 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:44:31 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:44:31 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:44:31 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:44:32 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:44:32 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 954 ms Jun 21, 2016 8:44:32 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Jun 21, 2016 8:44:32 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.39 Jun 21, 2016 8:44:32 PM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory ROOT Jun 21, 2016 8:44:33 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:44:33 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 950 ms Jun 21, 2016 8:48:33 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:48:34 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Jun 21, 2016 8:48:34 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:48:36 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:48:36 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:48:36 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:48:36 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:48:37 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:48:37 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 892 ms Jun 21, 2016 8:48:37 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Jun 21, 2016 8:48:37 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.39 Jun 21, 2016 8:48:37 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor ROOT.xml Jun 21, 2016 8:48:38 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:48:38 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 871 ms Jun 21, 2016 8:49:38 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor examples.xml Jun 21, 2016 8:49:38 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor docs.xml Jun 21, 2016 8:49:38 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor host-manager.xml Jun 21, 2016 8:49:38 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor manager.xml Jun 21, 2016 8:53:39 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:53:40 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Jun 21, 2016 8:53:40 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:53:41 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:53:41 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:53:41 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:53:41 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:53:42 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:53:42 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 910 ms Jun 21, 2016 8:53:43 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Jun 21, 2016 8:53:43 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.39 Jun 21, 2016 8:53:43 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor examples.xml Jun 21, 2016 8:53:43 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor docs.xml Jun 21, 2016 8:53:44 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor host-manager.xml Jun 21, 2016 8:53:44 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor manager.xml Jun 21, 2016 8:53:44 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor ROOT.xml Jun 21, 2016 8:53:44 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:53:44 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 1675 ms Jun 21, 2016 8:56:44 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:56:45 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Jun 21, 2016 8:56:45 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:56:47 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:56:47 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:56:47 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:56:47 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 8:56:48 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:56:48 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 926 ms Jun 21, 2016 8:56:48 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Jun 21, 2016 8:56:48 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.39 Jun 21, 2016 8:56:48 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor examples.xml Jun 21, 2016 8:56:49 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor docs.xml Jun 21, 2016 8:56:49 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor host-manager.xml Jun 21, 2016 8:56:49 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor manager.xml Jun 21, 2016 8:56:49 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor ROOT.xml Jun 21, 2016 8:56:49 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Jun 21, 2016 8:56:49 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 1772 ms Jun 21, 2016 9:14:10 PM org.apache.catalina.startup.HostConfig deployWAR INFO: Deploying web application archive ODKAggregate.war Jun 21, 2016 9:14:15 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 9:14:15 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 9:14:24 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 9:14:24 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 9:29:33 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 9:29:33 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 9:35:46 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 9:35:47 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Jun 21, 2016 9:35:47 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Jun 21, 2016 9:35:48 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 9:35:48 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 9:35:48 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 9:35:48 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 9:35:49 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 9:35:49 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 965 ms Jun 21, 2016 9:35:49 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Jun 21, 2016 9:35:49 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.39 Jun 21, 2016 9:35:49 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor examples.xml Jun 21, 2016 9:35:50 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor docs.xml Jun 21, 2016 9:35:51 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor host-manager.xml Jun 21, 2016 9:35:51 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor manager.xml Jun 21, 2016 9:35:51 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor ROOT.xml Jun 21, 2016 9:35:51 PM org.apache.catalina.startup.HostConfig deployWAR INFO: Deploying web application archive ODKAggregate.war Jun 21, 2016 9:35:55 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 9:35:55 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 9:35:55 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Jun 21, 2016 9:35:55 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 6185 ms Jun 21, 2016 9:36:10 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 9:36:10 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 9:58:02 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 9:58:03 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Jun 21, 2016 9:58:03 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Jun 21, 2016 9:58:04 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 9:58:04 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 9:58:04 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 9:58:04 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 9:58:05 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 9:58:05 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 941 ms Jun 21, 2016 9:58:06 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Jun 21, 2016 9:58:06 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.39 Jun 21, 2016 9:58:06 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor examples.xml Jun 21, 2016 9:58:06 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor docs.xml Jun 21, 2016 9:58:07 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor host-manager.xml Jun 21, 2016 9:58:07 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor manager.xml Jun 21, 2016 9:58:07 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor ROOT.xml Jun 21, 2016 9:58:07 PM org.apache.catalina.startup.HostConfig deployWAR INFO: Deploying web application archive ODKAggregate.war Jun 21, 2016 9:58:11 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 9:58:11 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 9:58:12 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Jun 21, 2016 9:58:12 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 6416 ms Jun 21, 2016 9:58:24 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 9:58:24 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 9:58:33 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 9:58:33 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 9:58:48 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 9:58:48 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 10:05:25 PM org.apache.coyote.http11.Http11Protocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 10:05:26 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Jun 21, 2016 10:05:26 PM org.apache.coyote.http11.Http11Protocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 Jun 21, 2016 10:05:27 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 10:05:27 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/server], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 10:05:27 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared/classes], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 10:05:27 PM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat6/shared], exists: [false], isDirectory: [false], canRead: [false] Jun 21, 2016 10:05:28 PM org.apache.coyote.http11.Http11Protocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Jun 21, 2016 10:05:28 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 939 ms Jun 21, 2016 10:05:28 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Jun 21, 2016 10:05:28 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/6.0.39 Jun 21, 2016 10:05:28 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor examples.xml Jun 21, 2016 10:05:29 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor docs.xml Jun 21, 2016 10:05:30 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor host-manager.xml Jun 21, 2016 10:05:30 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor manager.xml Jun 21, 2016 10:05:30 PM org.apache.catalina.startup.HostConfig deployDescriptor INFO: Deploying configuration descriptor ROOT.xml Jun 21, 2016 10:05:30 PM org.apache.catalina.startup.HostConfig deployWAR INFO: Deploying web application archive ODKAggregate.war Jun 21, 2016 10:05:34 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 10:05:34 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 10:05:34 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc SEVERE: The web application [/ODKAggregate] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered. Jun 21, 2016 10:05:34 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads SEVERE: The web application [/ODKAggregate] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak. Jun 21, 2016 10:05:35 PM org.apache.coyote.http11.Http11Protocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Jun 21, 2016 10:05:35 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 6753 ms Jun 21, 2016 10:05:51 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 10:05:51 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 10:05:51 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc SEVERE: The web application [/ODKAggregate] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered. Jun 21, 2016 10:05:51 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads SEVERE: The web application [/ODKAggregate] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak. Jun 21, 2016 10:06:03 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Jun 21, 2016 10:06:03 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/ODKAggregate] startup failed due to previous errors Jun 21, 2016 10:06:03 PM org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc SEVERE: The web application [/ODKAggregate] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered. Jun 21, 2016 10:06:03 PM org.apache.catalina.loader.WebappClassLoader clearReferencesThreads SEVERE: The web application [/ODKAggregate] appears to have started a thread named [Abandoned connection cleanup thread] but has failed to stop it. This is very likely to create a memory leak.