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);
}
}
线程统一设置未捕获异常
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