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http://jira.qos.ch/browse/LBCLASSIC-183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11948#action_11948
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Fonsito commented on LBCLASSIC-183:
-----------------------------------
Having the same problem in 0.9.26 and 0.9.28 with java 1.6.0_22, in tomcat
6.0.29.
SEVERE: The web application [/application] created a ThreadLocal with key of
type [null] (value [ch.qos.logback.core.UnsynchronizedAppenderBase$1@e42ace])
and a value of type [java.lang.Boolean] (value [false]) but failed to remove it
when the web application was stopped. This is very likely to create a memory
leak.
01-feb-2011 17:45:07 org.apache.catalina.loader.WebappClassLoader
clearThreadLocalMap
SEVERE: The web application [/application] created a ThreadLocal with key of
type [null] (value [ch.qos.logback.core.UnsynchronizedAppenderBase$1@1b64a3a])
and a value of type [java.lang.Boolean] (value [false]) but failed to remove it
when the web application was stopped. This is very likely to create a memory
leak.
01-feb-2011 17:45:07 org.apache.catalina.loader.WebappClassLoader
clearThreadLocalMap
SEVERE: The web application [/application] created a ThreadLocal with key of
type [null] (value [ch.qos.logback.core.UnsynchronizedAppenderBase$1@c330f8])
and a value of type [java.lang.Boolean] (value [false]) but failed to remove it
when the web application was stopped. This is very likely to create a memory
leak.
01-feb-2011 17:45:07 org.apache.catalina.loader.WebappClassLoader
clearThreadLocalMap
Thanks for any suggestion.
> 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
> Fix For: 0.9.26
>
>
> 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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