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The "MemoryLeakProtection" page has been changed by SylvainLaurent. http://wiki.apache.org/tomcat/MemoryLeakProtection?action=diff&rev1=7&rev2=8 -------------------------------------------------- == LogFactory == == JavaBean Introspector cache == + Tomcat calls {{{java.beans.Introspector.flushCaches();}}} when an app is stoppped. == JDBC driver registration == + If a webapp contains a JDBC driver (e.g. in WEB-INF/lib), the driver will be registered with the {{{DriverManager}}} when it is first used. When the application is stopped, the driver should be deregistered with {{{DriverManager}}} to avoid a classloader leak. + Since applications usually forget this, tomcat helps by deregistering the driver. + == RMI target == + + = Summary matrix = - ||Leak type||Detected by tomcat||Fixed by tomcat||Possible enhancements|| + ||'''Leak type'''||'''Detected by tomcat'''||'''Fixed by tomcat'''||'''Possible enhancements'''|| + ||Custom {{{ThreadLocal}}} class||>=6.0.24||>=6.0.24|| Detect child classloaders, improve thread safety || + ||Webapp class instance as {{{ThreadLocal}}} value||>=6.0.24||>=6.0.24|| Detect child classloaders, improve thread safety || + ||Webapp class instance indirectly held through a {{{ThreadLocal}}} value||no||no||Renew threads in the worker pool|| + ||{{{ThreadLocal}}} pseudo-leak||>=6.0.24||>=6.0.24||improve thread safety|| + ||{{{ContextClassLoader}}} / Threads spawned by webapps||>=6.0.24||{{{TimerThread}}} are stopped. Other threads may be stopped if {{{clearReferencesStopThreads}}} is set to true on the Context ||Detect child classloaders, don't stop {{{TimerThread}}} by default|| + ||{{{ContextClassLoader}}} / Threads spawned by classes loaded by the common classloader||>=6.0.24||{{{TimerThread}}} are stopped. Other threads may be stopped if {{{clearReferencesStopThreads}}} is set to true on the Context ||Detect child classloaders, don't stop {{{TimerThread}}} by default|| + ||{{{ContextClassLoader}}} / Threads spawned by JRE classes||>=6.0.24|| || || + ||static class variables|| ||> 6.0.? || || + ||{{{LogFactory}}}|| ||> 6.0.? || || + ||JDBC driver registration|| > 6.0.? ||> 6.0.? || || + ||RMI Target|| ||> 6.0.? || || ---- == References == --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org
