Logback logger记录两次 [英] Logback logger logging twice
问题描述
我想在我的应用程序中将slf4j + logback用于两个目的 - 日志和审计。
I would like to use slf4j+logback for two purposes in my application - log and audit.
对于日志记录,我以正常方式登录:
For logging, I log the normal way:
static final Logger logger = LoggerFactory.getLogger(Main.class);
logger.debug("-> main()");
对于Audit,我创建了一个特殊的命名记录器并记录到它:
For Audit, I create a special named logger and log to it:
static final Logger logger = LoggerFactory.getLogger("AUDIT_LOGGER");
Object[] params =
{ new Integer(1) /* TenantID */, new Integer(10) /* UserID */, msg};
logger.info("{}|{}|{}", params);
logback configuration:
logback configuration:
<logger name="AUDIT_LOGGER" level="info">
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS}|%msg%n
</pattern>
</encoder>
</appender>
</logger>
<root level="all">
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
</pattern>
</encoder>
</appender>
</root>
问题:
通过审计记录器记录的消息出现两次 - 一次在AUDIT_LOGGER下,一次在根记录器下。
Problem: Messages logged through audit logger appear twice - once under the AUDIT_LOGGER and once under the root logger.
14:41:57.975 [main] DEBUG com.gammay.example.Main - - > main()
14:41:57.975 [main] DEBUG com.gammay.example.Main - -> main()
14:41:57.978 | 1 | 10 | welcome to main
14:41:57.978|1|10|welcome to main
14:41:57.978 [主要] INFO AUDIT_LOGGER - 1 | 10 |欢迎来到主
14:41:57.978 [main] INFO AUDIT_LOGGER - 1|10|welcome to main
我该怎么办?确保审计消息在审计记录器下只出现一次?
How can I make sure audit messages appear only once under the audit logger?
推荐答案
更改审计记录器定义,如下所示。注意记录器定义中的 additivity =false
标志。
Change audit logger definition as shown below. Note additivity="false"
flag in the logger definition.
<logger name="AUDIT_LOGGER" level="info" additivity="false">
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS}|%msg%n
</pattern>
</encoder>
</appender>
</logger>
这样可以避免在root logger中再次记录。阅读logback配置文档以获取更多信息。
That will avoid logging this again in root logger. Read logback configuration documentation for more information.
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