@Override
public void stop() {
LOGGER.debug("Stopping LoggerContext[name={}, {}]...", getName(), this);
configLock.lock();
try {
if (this.isStopped()) {
return;
}
this.setStopping();
try {
Server.unregisterLoggerContext(getName()); // LOG4J2-406, LOG4J2-500
} catch (final Exception ex) {
LOGGER.error("Unable to unregister MBeans", ex);
}
if (shutdownCallback != null) {
shutdownCallback.cancel();
shutdownCallback = null;
}
final Configuration prev = configuration;
configuration = NULL_CONFIGURATION;
updateLoggers();
prev.stop();
externalContext = null;
LogManager.getFactory().removeContext(this);
this.setStopped();
} finally {
configLock.unlock();
}
LOGGER.debug("Stopped LoggerContext[name={}, {}]...", getName(), this);
}
/**
* Sets the Configuration to be used.
*
* @param config The new Configuration.
* @return The previous Configuration.
*/
private Configuration setConfiguration(final Configuration config) {
Objects.requireNonNull(config, "No Configuration was provided");
configLock.lock();
try {
final Configuration prev = this.configuration;
config.addListener(this);
final ConcurrentMap<String, String> map =
config.getComponent(Configuration.CONTEXT_PROPERTIES);
try { // LOG4J2-719 network access may throw android.os.NetworkOnMainThreadException
map.putIfAbsent("hostName", NetUtils.getLocalHostname());
} catch (final Exception ex) {
LOGGER.debug("Ignoring {}, setting hostName to 'unknown'", ex.toString());
map.putIfAbsent("hostName", "unknown");
}
map.putIfAbsent("contextName", contextName);
config.start();
this.configuration = config;
updateLoggers();
if (prev != null) {
prev.removeListener(this);
prev.stop();
}
firePropertyChangeEvent(new PropertyChangeEvent(this, PROPERTY_CONFIG, prev, config));
try {
Server.reregisterMBeansAfterReconfigure();
} catch (final Throwable t) {
// LOG4J2-716: Android has no java.lang.management
LOGGER.error("Could not reconfigure JMX", t);
}
Log4jLogEvent.setNanoClock(NanoClockFactory.createNanoClock());
AsyncLogger.setNanoClock(NanoClockFactory.createNanoClock());
return prev;
} finally {
configLock.unlock();
}
}