Log4j遠程日誌時按業務自定義存放多個文件

在服務器集羣中,若是想要集中管理服務器上的日誌,能夠使用log4j提供的一個遠程日誌Appender--SocketAppender。且若是須要按不一樣的業務,也可自定義存放到不一樣的文件中。具體log4j的配置及代碼以下:java

服務器端:node

log4j.propertiesapache

log4j.log4j.rootLogger= INFO, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d %p [%c] - %m%n

log4j.logger.myTest1= DEBUG, test1
log4j.appender.test1=org.apache.log4j.FileAppender
log4j.appender.test1.File=D:/log/test1.log
log4j.appender.test1.layout=org.apache.log4j.PatternLayout
log4j.appender.test1.layout.ConversionPattern=%d %p [%c] - %m%n

log4j.logger.myTest2= DEBUG, test2
log4j.appender.test2=org.apache.log4j.FileAppender
log4j.appender.test2.File=D:/log/test2.log
log4j.appender.test2.layout=org.apache.log4j.PatternLayout
log4j.appender.test2.layout.ConversionPattern=%d %p [%c] - %m%n

服務器代碼:服務器

package com.yss.demo.log2;

import java.net.InetAddress;

public class Server extends Thread {

	private static final int DEFAULT_PORT = 4560;
	private final int port;

	public Server(int port) {

		this.port = port;
	}

	public Server() {

		this(DEFAULT_PORT);
	}

	@Override
	public final void run() {

		try {
			Logger cat = Logger.getLogger(Server.class);
			cat.info("Listening on port " + port);
			ServerSocket serverSocket = new ServerSocket(port);
			while (true) {
				cat.info("Waiting to accept a new client.");
				Socket socket = serverSocket.accept();
				InetAddress inetAddress = socket.getInetAddress();
				cat.info("Connected to client at " + inetAddress);
				LoggerRepository h = LogManager.getLoggerRepository();
				cat.info("Starting new socket node.");

				// TODO: can we use information in the socket to record the client host?
				new Thread(new SocketNode(socket, h)).start();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public static void main(String[] args) {

		new Server().start();
	}
}

 

客戶端:app

log4j.propertiessocket

log4j.rootLogger=info,socket
log4j.appender.socket=org.apache.log4j.net.SocketAppender
log4j.appender.socket.RemoteHost=localhost
log4j.appender.socket.Port=4560
log4j.appender.socket.LocationInfo=true

客戶端代碼:ide

import org.apache.log4j.Logger;

public class Client {

	public static void main(String[] args) throws Exception {

		Logger logger = Logger.getLogger("myTest1");
		logger.info("wwwwwww11111111");
		Logger logger2 = Logger.getLogger("myTest2");
		logger2.info("wwwwwww2222222");
	}
}

 

    log4j默認使用的配置是類路徑下的log4j.properties,若是客戶端和服務器端代碼在同一個項目下時,就須要分別爲各自的log4j配置文件從新命名,以示區分,並在獲取Logger以前使用
        PropertyConfigurator.configure("Log4JConfig_client.properties");this

這種方式加載指定的配置文件,這樣纔可以使各自的代碼、配置生效。spa

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