org.apache.zookeeper.server.ZooKeeperThread Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.zookeeper.server;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This is the main class for catching all the uncaught exceptions thrown by the
* threads.
*/
public class ZooKeeperThread extends Thread {
private static final Logger LOG = LoggerFactory.getLogger(ZooKeeperThread.class);
private UncaughtExceptionHandler uncaughtExceptionalHandler = new UncaughtExceptionHandler() {
@Override
public void uncaughtException(Thread t, Throwable e) {
handleException(t.getName(), e);
}
};
public ZooKeeperThread(String threadName) {
super(threadName);
setUncaughtExceptionHandler(uncaughtExceptionalHandler);
}
/**
* This will be used by the uncaught exception handler and just log a
* warning message and return.
*
* @param thName
* - thread name
* @param e
* - exception object
*/
protected void handleException(String thName, Throwable e) {
LOG.warn("Exception occurred from thread {}", thName, e);
}
}