java - 应用程序未将日志保存到特定的附加程序
问题描述
我正在尝试将一些日志从 Apache James 保存到特定的附加程序。
Apache James 默认使用 Apache Commons Logging 并添加了 Logback。Logback.xml 配置如下所示:
<contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
<resetJUL>true</resetJUL>
</contextListener>
<!-- Appenders for console and logs -->
<appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} %highlight([%-5level]) %thread %logger{15}:%line - %msg%n%rEx</pattern>
<immediateFlush>false</immediateFlush>
</encoder>
</appender>
<appender name="JAMES" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>./logs/james.log</file>
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%-5level] %thread %logger{15}:%line - %msg%n%rEx</pattern>
<immediateFlush>false</immediateFlush>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>./logs/james.%d{yyyy-MM-dd}.log</fileNamePattern>
<maxHistory>30</maxHistory>
</rollingPolicy>
</appender>
<appender name="JAMES-SERVER" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>./logs/james-server.log</file>
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%-5level] %thread %logger{15}:%line - %msg%n%rEx</pattern>
<immediateFlush>false</immediateFlush>
</encoder>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>./logs/james-server.log.%d{yyyy-MM-dd}</fileNamePattern>
<maxHistory>30</maxHistory>
</rollingPolicy>
</appender>
<logger name="org.domain.mypackage" level="DEBUG">
<appender-ref ref="JAMES-SERVER" />
</logger>
<root level="INFO">
<appender-ref ref="CONSOLE" />
<appender-ref ref="JAMES"/>
</root>
阿帕奇詹姆斯开始为
java -classpath "james-server-jpa-guice.jar:james-server-jpa-guice.lib/*:james-server-jpa-guice.lib" -javaagent:james-server-jpa-guice.lib/openjpa-3.0.0.jar -Dlogback.configurationFile=./conf/logback.xml -Dworking.directory=. org.apache.james.JPAJamesServerMain >> ./logs/james.log
所有日志都可以,james.log
但上面的特定包org.domain.mypackage
没有记录,james-server.log
但似乎在james.log
对此有什么想法吗?
解决方案
您的设置可能需要 2 个修复,immediateFlush
至少删除标签以进行测试并添加JAMES-APPENDER
到root
记录器。immediateFlush=false
应在预计有大量日志记录活动时设置,出于测试目的,将其设置为true
.
<root level="DEBUG">
<appender-ref ref="CONSOLE" />
<appender-ref ref="JAMES" />
<appender-ref ref="JAMES-SERVER" />
</root>
可以使用logback-examples包方便地测试 Logback 设置,如下所示:
export LOGBACK_CP="/home/luis.munoz/.m2/repository/org/slf4j/slf4j-api/1.6.1/slf4j-api-1.6.1.jar:/home/luis.munoz/.m2/repository/ch/qos/logback/logback-core/1.1.3/logback-core-1.1.3.jar:logback-examples-1.1.3.jar:/home/luis.munoz/.m2/repository/ch/qos/logback/logback-classic/1.1.3/logback-classic-1.1.3.jar"
java -cp "$LOGBACK_CP" chapters.appenders.ConfigurationTester ~/tmp/logback.xml
以下消息将写入控制台和任何配置的文件
12:37:45.336 [DEBUG] main c.a.ConfigurationTester:50 - **Hello test 123
12:37:45.338 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 0
12:37:45.439 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 1
12:37:45.540 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 2
12:37:45.640 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 3
12:37:45.742 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 4
12:37:45.843 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 5
12:37:45.943 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 6
12:37:46.044 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 7
12:37:46.145 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 8
12:37:46.246 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 9
12:37:46.355 [ERROR] main c.a.s.s.Bar:32 - error-level request
java.lang.Exception: test exception
at chapters.appenders.sub.sample.Bar.subMethodToCreateRequest(Bar.java:32) [logback-examples-1.1.3.jar:na]
at chapters.appenders.sub.sample.Bar.createLoggingRequest(Bar.java:27) [logback-examples-1.1.3.jar:na]
at chapters.appenders.ConfigurationTester.main(ConfigurationTester.java:58) [logback-examples-1.1.3.jar:na]
在控制台上,写入了一些对调试配置有用的日志记录
...
12:37:45,333 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [CONSOLE] to Logger[ROOT]
12:37:45,333 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [JAMES] to Logger[ROOT]
12:37:45,333 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [JAMES-SERVER] to Logger[ROOT]
...
此外,此示例包允许“玩”配置并检查结果。例如:
<logger name="chapters.appenders.ConfigurationTester" level="DEBUG" additivity="false">
<appender-ref ref="JAMES" />
</logger>
<logger name="chapters.appenders.sub.sample" level="DEBUG" additivity="false">
<appender-ref ref="JAMES-SERVER" />
</logger>
<root level="DEBUG">
<appender-ref ref="CONSOLE" />
</root>
将其记录到 james.log
16:04:44.487 [DEBUG] main c.a.ConfigurationTester:50 - **Hello test 123
16:04:44.490 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 0
16:04:44.590 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 1
16:04:44.691 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 2
16:04:44.792 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 3
16:04:44.892 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 4
16:04:44.993 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 5
16:04:45.093 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 6
16:04:45.194 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 7
16:04:45.295 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 8
16:04:45.395 [DEBUG] main c.a.ConfigurationTester:54 - logging statement 9
这对 james-server.log
16:04:45.502 [ERROR] main c.a.s.s.Bar:32 - error-level request
java.lang.Exception: test exception
at chapters.appenders.sub.sample.Bar.subMethodToCreateRequest(Bar.java:32) [logback-examples-1.1.3.jar:na]
at chapters.appenders.sub.sample.Bar.createLoggingRequest(Bar.java:27) [logback-examples-1.1.3.jar:na]
at chapters.appenders.ConfigurationTester.main(ConfigurationTester.java:58) [logback-examples-1.1.3.jar:na]
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