Package org.apache.catalina.core

Class ThreadLocalLeakPreventionListener

java.lang.Object

org.apache.catalina.core.ThreadLocalLeakPreventionListener

All Implemented Interfaces:

ContainerListener, LifecycleListener

public class ThreadLocalLeakPreventionListener
extends java.lang.Object
implements LifecycleListener, ContainerListener

A LifecycleListener that triggers the renewal of threads in Executor pools when a Context is being stopped to avoid thread-local related memory leaks.

Note : active threads will be renewed one by one when they come back to the pool after executing their task, see ThreadPoolExecutor.afterExecute().

This listener must be declared in server.xml to be active.

Field Summary

Fields

Modifier and Type	Field	Description
protected static StringManager	sm	The string manager for this package.

Constructor Summary

Constructors

Constructor	Description
ThreadLocalLeakPreventionListener()

Method Summary

Modifier and Type	Method	Description
void	containerEvent(ContainerEvent event)	Acknowledge the occurrence of the specified event.
void	lifecycleEvent(LifecycleEvent event)	Listens for LifecycleEvent for the start of the Server to initialize itself and then for after_stop events of each Context.
protected void	processContainerAddChild(Container parent, Container child)
protected void	processContainerRemoveChild(Container parent, Container child)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sm

protected static final StringManager sm

The string manager for this package.

Constructor Detail

ThreadLocalLeakPreventionListener

public ThreadLocalLeakPreventionListener()

Method Detail

lifecycleEvent

public void lifecycleEvent(LifecycleEvent event)

Listens for LifecycleEvent for the start of the Server to initialize itself and then for after_stop events of each Context.

Specified by:

lifecycleEvent in interface LifecycleListener

Parameters:

event - LifecycleEvent that has occurred

containerEvent

public void containerEvent(ContainerEvent event)

Description copied from interface: ContainerListener

Acknowledge the occurrence of the specified event.

Specified by:

containerEvent in interface ContainerListener

Parameters:

event - ContainerEvent that has occurred

processContainerAddChild

protected void processContainerAddChild(Container parent,
                                        Container child)

processContainerRemoveChild

protected void processContainerRemoveChild(Container parent,
                                           Container child)