我正在尝试在项目中使用 log4j2 进行日志记录。我的名为 log4j2.xml 的 conf 文件直接位于 java 项目下，并且我在类路径中有必要的 jar。当我使用下面的 conf 文件测试日志记录是否正常工作时，我只看到错误消息，尽管我也希望看到信息消息。有人知道这里有什么问题吗？
log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<properties>
<property name="servicename">m2mp_checker</property>
<property name="patternTime">%d{yyyy-MM-dd HH:mm:ss.SSS} | %-5.5p | %-10.10t | %-20.20C:%-5.5L | %msg%n</property>
<property name="patternNoTime">%-5.5p | %-10.10t | %-20.20C:%-5.5L | %msg%n</property>
</properties>
<appenders>
<Console name="console" target="SYSTEM_OUT">
<PatternLayout pattern="${patternTime}"/>
</Console>
</appenders>
<loggers>
<root level="INFO">
<appender-ref ref="console"/>
</root>
</loggers>
</configuration>
爪哇代码：
package test;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import com.jcraft.jsch.*;
/**
* @author : T12888
*/
public class Tester {
private static final Logger logger = LogManager.getLogger(Tester.class);
public static void main(String[] args) {
String username = "aa";
String host = "aa";
String pass = "aa";
String khfile = "/home/testuser/.ssh/known_hosts";
String identityfile = "/home/testuser/.ssh/id_rsa";
JSch jsch = null;
Session session = null;
Channel channel = null;
ChannelSftp c = null;
try {
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking", "no");
jsch = new JSch();
session = jsch.getSession(username, host, 22);
session.setPassword(pass);
session.setConfig(config);
session.connect();
channel = session.openChannel("sftp");
channel.connect();
c = (ChannelSftp) channel;
} catch (Exception e) {
e.printStackTrace();
}
try {
logger.info("info");
String fsrc = "abc.xml", fdest = "abc.xml";
c.put(fsrc, fdest);
c.get(fdest, "/tmp/testfile.bin");
} catch (Exception e) {
logger.error("error");
e.printStackTrace();
}
finally{
c.disconnect();
session.disconnect();
}
}
}
输出：
11:27:45.873 [main] ERROR test.Tester - error