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From Mark Thomas <>
Subject Re: Tomcat dies suddenly
Date Thu, 04 Feb 2010 19:13:53 GMT
On 04/02/2010 19:04, Carl wrote:
> I checked /usr/local/tomcat/logs but found only the usual files.  The
> information was in catalina.2010-02-04.log showed our nightly restart of
> Tomcat but nothing more recent.  There were, however, several entries
> like the following that indicate some kind of problem:
> Feb 4, 2010 1:10:03 AM org.apache.catalina.loader.WebappClassLoader
> clearThreadLocalMap
> SEVERE: A web application created a ThreadLocal with key of type
> [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@68758d7b]) and a
> value of type [null]
> (value
> [net.sf.jasperreports.engine.export.legacy.BorderOffset$1@7b47951c]) but
> failed to remove it when the web application was stopped. To prevent a
> memory
> leak, the ThreadLocal has been forcibly removed.
> Should I be concerned about this problem right now?

No, but you might want to report that leak to the jasper report folks so
they can fix it. In the meantime, Tomcat will do what needs to be done
to avoid the leak.


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