[ http://jira.qos.ch/browse/LBCLASSIC-183?page=com.atlassian.jira.plugin.syste... ] Greg Thomas commented on LBCLASSIC-183: --------------------------------------- If it helps, at all, I'm seeing exactly the same issue on Tomcat 6.0.26/Windows - however with ch.qos.logback.classic.util.CopyOnInheritThreadLocal instead of org.slf4j.impl.CopyOnInheritThreadLocal. To take a couple of examples ... SEVERE: A web application created a ThreadLocal with key of type [null] (value [ch.qos.logback.core.UnsynchronizedAppenderBase$1@ba3671]) and a value of type [java.lang.Boolean] (value [false]) but failed to remove it when the web application was stopped. To prevent a memory leak, the ThreadLocal has been forcibly removed. SEVERE: A web application created a ThreadLocal with key of type [ch.qos.logback.classic.util.CopyOnInheritThreadLocal] (value [ch.qos.logback.classic.util.CopyOnInheritThreadLocal@12704b3]) and a value of type [java.util.HashMap] (value [{callid=e4ac4593-1f59-4801-9671-078eb6e5c86b}]) but failed to remove it when the web application was stopped. To prevent a memory leak, the ThreadLocal has been forcibly removed.
Tomcat reports SEVERE ThreadLocal issues upon shutdown ------------------------------------------------------
Key: LBCLASSIC-183 URL: http://jira.qos.ch/browse/LBCLASSIC-183 Project: logback-classic Issue Type: Bug Affects Versions: 0.9.18 Environment: Tomcat 6.0.24, JDK 6, Windows or Solaris Reporter: Anthony Whitford Assignee: Ceki Gulcu
I have a webapp that uses Logback, deployed on a Tomcat instance. Upon shutdown, Tomcat reports this and doesn't completely shut down: SEVERE: A web application created a ThreadLocal with key of type [org.slf4j.impl.CopyOnInheritThreadLocal] (value [org.slf4j.impl.CopyOnInheritThreadLocal@1bb35 b]) and a value of type [null] (value [null]) but failed to remove it when the web application was stopped. To prevent a memory leak, the ThreadLocal has been forcibly removed. Feb 3, 2010 10:49:22 PM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap SEVERE: A web application created a ThreadLocal with key of type [null] (value [ch.qos.logback.core.UnsynchronizedAppenderBase$1@10e2558]) and a value of type [java.lang.Boolean] (value [false]) but failed to remove it when the web application was stopped. To prevent a memory leak, the ThreadLocal has been forcibly removed. Is LogBack leaking resources?
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