https://issues.apache.org/bugzilla/show_bug.cgi?id=56765
--- Comment #2 from prabash balasuriya <prabashb...@yahoo.com> --- Had the same issue and below is my gc root . Applied the solution mentioned here and it was successful. I am using tomcat-8.0.15 and downgraded tomcat-dbcp.jar file from tomcat-7.0.35. this - value: org.apache.catalina.loader.WebappClassLoader #1 <- <classLoader> - class: oracle.jdbc.driver.T4CConnection, value: org.apache.catalina.loader.WebappClassLoader #1 <- <class> - class: oracle.jdbc.driver.T4CConnection, value: oracle.jdbc.driver.T4CConnection class T4CConnection <- _conn - class: org.apache.tomcat.dbcp.dbcp2.PoolableConnection, value: oracle.jdbc.driver.T4CConnection #1 <- resource - class: com.sun.jmx.mbeanserver.MXBeanSupport, value: org.apache.tomcat.dbcp.dbcp2.PoolableConnection #1 <- object - class: com.sun.jmx.mbeanserver.NamedObject, value: com.sun.jmx.mbeanserver.MXBeanSupport #19 <- value - class: java.util.HashMap$Entry, value: com.sun.jmx.mbeanserver.NamedObject #46 <- [130] - class: java.util.HashMap$Entry[], value: java.util.HashMap$Entry #6594 <- table - class: java.util.HashMap, value: java.util.HashMap$Entry[] #1274 (512 items) <- value - class: java.util.HashMap$Entry, value: java.util.HashMap #275 <- [4] - class: java.util.HashMap$Entry[], value: java.util.HashMap$Entry #1931 <- table - class: java.util.HashMap, value: java.util.HashMap$Entry[] #211 (16 items) <- domainTb - class: com.sun.jmx.mbeanserver.Repository, value: java.util.HashMap #268 <- repository - class: com.sun.jmx.interceptor.DefaultMBeanServerInterceptor, value: com.sun.jmx.mbeanserver.Repository #1 <- mbsInterceptor - class: com.sun.jmx.mbeanserver.JmxMBeanServer, value: com.sun.jmx.interceptor.DefaultMBeanServerInterceptor #1 <- platformMBeanServer (sticky class) - class: java.lang.management.ManagementFactory, value: com.sun.jmx.mbeanserver.JmxMBeanServer #1 -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org