/*
* Copyright 2014 Groupon, Inc
* Copyright 2014 The Billing Project, LLC
*
* The Billing Project licenses this file to you under the Apache License, version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package org.killbill.billing.server.listeners;
import java.sql.Driver;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.Enumeration;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class CleanupListener implements ServletContextListener {
private static final Logger logger = LoggerFactory.getLogger(CleanupListener.class);
@Override
public void contextInitialized(final ServletContextEvent servletContextEvent) {
}
@Override
public void contextDestroyed(final ServletContextEvent servletContextEvent) {
final Enumeration<Driver> drivers = DriverManager.getDrivers();
while (drivers.hasMoreElements()) {
try {
final Driver driver = drivers.nextElement();
DriverManager.deregisterDriver(driver);
} catch (final SQLException e) {
logger.warn("Unable to de-register driver", e);
}
}
// See http://docs.oracle.com/cd/E17952_01/connector-j-relnotes-en/news-5-1-23.html
try {
Class.forName("com.mysql.jdbc.AbandonedConnectionCleanupThread");
com.mysql.jdbc.AbandonedConnectionCleanupThread.shutdown();
} catch (final InterruptedException e) {
logger.warn("Unable to shutdown MySQL threads", e);
} catch (final ClassNotFoundException ignored) {
// MySQL driver not used
}
// See https://mariadb.atlassian.net/browse/CONJ-61
try {
Class.forName("org.mariadb.jdbc.Driver");
org.mariadb.jdbc.Driver.unloadDriver();
} catch (final ClassNotFoundException ignored) {
// MariaDB driver not used
}
}
}