[英]slf4j not logging in DEBUG.log with log.debug(…)
我在使用slf4j時遇到問題,在信息和警告級別進行記錄。 但是,在調試級別記錄日志卻沒有。 我在調試器下檢查並且log.isDebugEnabled()為true,因此log.debug(“ INPUT:\\ n” +輸入)正在執行,但DEBUG.log為空。 我在IntelliJ IDE選項中啟用了“啟用調試輸出”(它添加了VM選項-Ddebug),但它仍然不起作用。
(..)
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
(..)
public class LoginController {
private static final Logger log = LoggerFactory.getLogger(LoginController.class);
public AuthUser login(InputStream inputStream, HttpServletRequest request) throws Exception {
final String input = misc.InputStreamToString(inputStream);
if (log.isDebugEnabled()) {
log.debug("INPUT:\n" + input);
}
(..)
}
更新1:
文件資源/logback.xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<property name="HOME" value="${user.dir}/logs"/>
<appender name="FILE-INSERT-DEBUG"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>DEBUG</level>
<onMismatch>DENY</onMismatch>
</filter>
<file>${HOME}/DEBUG.log</file>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>
%d{yyyy-MM-dd HH:mm:ss} - %msg%n
</Pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- rollover daily -->
<fileNamePattern>${HOME}/archived/debug.%d{yyyy-MM-dd}.%i.log.zip
</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>10MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<appender name="FILE-INSERT-INFO"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>INFO</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<file>${HOME}/INFO.log</file>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>
%d{yyyy-MM-dd HH:mm:ss} - %msg%n
</Pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- rollover daily -->
<fileNamePattern>${HOME}/archived/INFO.%d{yyyy-MM-dd}.%i.log.zip
</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>10MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<appender name="FILE-INSERT-WARN"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>WARN</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<file>${HOME}/WARN.log</file>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>
%d{yyyy-MM-dd HH:mm:ss} - %msg%n
</Pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- rollover daily -->
<fileNamePattern>${HOME}/archived/WARN.%d{yyyy-MM-dd}.%i.log.zip
</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>10MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<appender name="FILE-INSERT-ERROR"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<file>${HOME}/ERROR.log</file>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<Pattern>
%d{yyyy-MM-dd HH:mm:ss} - %msg%n
</Pattern>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- rollover daily -->
<fileNamePattern>${HOME}/archived/ERROR.%d{yyyy-MM-dd}.%i.log.zip
</fileNamePattern>
<timeBasedFileNamingAndTriggeringPolicy
class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>10MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
</appender>
<root level="DEBUG">
<!--<appender-ref ref="FILE-INSERT-DEBUG" />-->
<appender-ref ref="FILE-INSERT-INFO"/>
<appender-ref ref="FILE-INSERT-WARN"/>
<appender-ref ref="FILE-INSERT-ERROR"/>
</root>
</configuration>
問題出在resources / logback.xml中的一行
<!--<appender-ref ref="FILE-INSERT-DEBUG" />-->
經過注釋后,它可以工作:
</appender>
<root level="DEBUG">
<appender-ref ref="FILE-INSERT-DEBUG"/>
<appender-ref ref="FILE-INSERT-INFO"/>
<appender-ref ref="FILE-INSERT-WARN"/>
<appender-ref ref="FILE-INSERT-ERROR"/>
</root>
</configuration>
您可以在配置文件中配置日志級別,例如resources / slf4j.xml
<configuration>
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<layout class="ch.qos.logback.classic.PatternLayout">
<Pattern>
%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</Pattern>
</layout>
</appender>
<logger name="com.base22" level="TRACE"/>
<root level="debug">
<appender-ref ref="STDOUT"/>
</root>
</configuration>
PS更多信息Logback文檔 “使用logback-test.xml或logback.xml進行自動配置”
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