Uses of Interface
se.jiderhamn.classloader.leak.prevention.ClassLoaderPreMortemCleanUp

Packages that use ClassLoaderPreMortemCleanUp

Package	Description
se.jiderhamn.classloader.leak.prevention
se.jiderhamn.classloader.leak.prevention.cleanup

Uses of ClassLoaderPreMortemCleanUp in se.jiderhamn.classloader.leak.prevention

Classes in se.jiderhamn.classloader.leak.prevention that implement ClassLoaderPreMortemCleanUp

Modifier and Type

Class and Description

class

ReplaceDOMNormalizerSerializerAbortException As reported at https://github.com/mjiderhamn/classloader-leak-prevention/issues/36, invoking DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument().normalizeDocument(); or Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument(); DOMImplementationLS implementation = (DOMImplementationLS)document.getImplementation(); implementation.createLSSerializer().writeToString(document); may trigger leaks caused by the static fields com.sun.org.apache.xerces.internal.dom.DOMNormalizer#abort and com.sun.org.apache.xml.internal.serialize.DOMSerializerImpl#abort respectively keeping stacktraces/backtraces that may include references to classes loaded by our web application.

Fields in se.jiderhamn.classloader.leak.prevention with type parameters of type ClassLoaderPreMortemCleanUp

Modifier and Type	Field and Description
protected Map<String,ClassLoaderPreMortemCleanUp>	ClassLoaderLeakPreventorFactory.cleanUps Map from name to ClassLoaderPreMortemCleanUps with all the actions to invoke to make a ClassLoader ready for Garbage Collection.

Methods in se.jiderhamn.classloader.leak.prevention with type parameters of type ClassLoaderPreMortemCleanUp

Modifier and Type	Method and Description
<C extends ClassLoaderPreMortemCleanUp> C	ClassLoaderLeakPreventorFactory.getCleanUp(Class<C> clazz) Get instance of ClassLoaderPreMortemCleanUp for further configuring.
<C extends ClassLoaderPreMortemCleanUp> void	ClassLoaderLeakPreventorFactory.removeCleanUp(Class<C> clazz) Get instance of ClassLoaderPreMortemCleanUp for further configuring

Methods in se.jiderhamn.classloader.leak.prevention with parameters of type ClassLoaderPreMortemCleanUp

Modifier and Type	Method and Description
void	ClassLoaderLeakPreventorFactory.addCleanUp(ClassLoaderPreMortemCleanUp classLoaderPreMortemCleanUp) Add a new ClassLoaderPreMortemCleanUp, using the class name as name
void	ClassLoaderLeakPreventorFactory.addCleanUp(String name, ClassLoaderPreMortemCleanUp classLoaderPreMortemCleanUp) Add a new named ClassLoaderPreMortemCleanUp

Constructor parameters in se.jiderhamn.classloader.leak.prevention with type arguments of type ClassLoaderPreMortemCleanUp

Constructor and Description
ClassLoaderLeakPreventor(ClassLoader leakSafeClassLoader, ClassLoader classLoader, Logger logger, Collection<PreClassLoaderInitiator> preClassLoaderInitiators, Collection<ClassLoaderPreMortemCleanUp> cleanUps)

Uses of ClassLoaderPreMortemCleanUp in se.jiderhamn.classloader.leak.prevention.cleanup

Classes in se.jiderhamn.classloader.leak.prevention.cleanup that implement ClassLoaderPreMortemCleanUp

Modifier and Type	Class and Description
class	ApacheCommonsLoggingCleanUp Release this classloader from Apache Commons Logging (ACL) by calling LogFactory.release(getCurrentClassLoader()); Use reflection in case ACL is not present.
class	BeanELResolverCleanUp Clean for the cache of javax.el.BeanELResolver, which leaks prior to version 2.2.4.
class	BeanIntrospectorCleanUp Clear Introspector cache
class	BeanValidationCleanUp Clean up leak caused by cache in javax.validation.Validation
class	DefaultAuthenticatorCleanUp Clear the default Authenticator (in case current one is loaded by protected ClassLoader).
class	DriverManagerCleanUp Deregister JDBC drivers loaded by classloader
class	GeoToolsCleanUp Shutdown GeoTools cleaner thread as of https://osgeo-org.atlassian.net/browse/GEOT-2742
class	IIOServiceProviderCleanUp Unregister ImageIO Service Provider loaded by the protected ClassLoader
class	IntrospectionUtilsCleanUp Clear IntrospectionUtils caches of Tomcat and Apache Commons Modeler
class	JacksonCleanUp Clear Jackson TypeFactory cache as per https://github.com/FasterXML/jackson-databind/issues/1363
class	JavaServerFaces2746CleanUp Workaround for leak caused by Mojarra JSF implementation if included in the container.
class	JavaUtilLoggingLevelCleanUp Cleanup for removing custom Levels loaded within the protected class loader.
class	JceSecurityCleanUp Clean up for the static caches of JceSecurity
class	JDK8151486CleanUp Clear the "domains" field of the parent ClassLoader.
class	KeepAliveTimerCacheCleanUp Since Keep-Alive-Timer thread may have terminated, but still be referenced, we need to make sure it does not reference this classloader.
class	MBeanCleanUp Unregister MBeans loaded by the protected class loader
class	MoxyCleanUp Cleanup for leak caused by EclipseLink MOXy See https://bugs.eclipse.org/bugs/show_bug.cgi?
class	MultiThreadedHttpConnectionManagerCleanUp Invokes static method org.apache.commons.httpclient.MultiThreadedHttpConnectionManager.shutdownAll() to close connections left out by com.sun.jersey.client.apache.ApacheHttpClient.
class	MXBeanNotificationListenersCleanUp Unregister MBeans, MXBean NotificationListeners/NotificationFilters/handbacks loaded by the protected class loader
class	PropertyEditorCleanUp Deregister custom property editors.
class	ProxySelectorCleanUp If default ProxySelector is loaded by protected ClassLoader it needs to be unset
class	ReactorNettyHttpResourcesCleanUp Clean up Reactor Netty resources
class	ResourceBundleCleanUp Clean up caches in ResourceBundle
class	RmiTargetsCleanUp Heavily inspired by org.apache.catalina.loader.WebappClassLoader.clearReferencesRmiTargets()
class	SAAJEnvelopeFactoryParserPoolCleanUp Clean up leak caused by SAXParser attribute/property being loaded by protected class loader and cached in com.sun.xml.internal.messaging.saaj.soap.EnvelopeFactory#parserPool.
class	SecurityProviderCleanUp Deregister custom security providers
class	ShutdownHookCleanUp Find and deregister shutdown hooks.
class	StopThreadsCleanUp Check if there are threads running within the protected ClassLoader, or otherwise referencing it, and either warn or stop those threads depending on settings.
class	ThreadGroupCleanUp Destroy any ThreadGroups that are loaded by the protected classloader
class	ThreadGroupContextCleanUp Clean all ThreadGroupContext.beanInfoCaches in ThreadGroupContext.contexts since they may contain beans/properties loaded in the protected classloader.
class	ThreadLocalCleanUp Clear ThreadLocals for which ThreadLocal.remove() has not been called, in case either the ThreadLocal is a custom one (subclassed in the protected ClassLoader), or the value is loaded by (or is) the protected ClassLoader.
class	WarningThreadLocalCleanUp ClassLoaderPreMortemCleanUp that does not clear ThreadLocals to remove the leak, but only logs a warning
class	X509TrustManagerImplUnparseableExtensionCleanUp sun.security.ssl.X509TrustManagerImpl keeps a list set of trusted certs, which may include sun.security.x509.UnparseableExtension that in turn may include an Exception with a backtrace with references to the classloader that we want to protect