Java 如何在Play framework中记录文件中的数据?
我有一个用Java实现的Play服务器(Play framework 2.3)。我想在文件中保留API调用日志,限制最大文件数和每个文件的最大大小。我有下面的Java 如何在Play framework中记录文件中的数据?,java,logging,playframework,playframework-2.3,Java,Logging,Playframework,Playframework 2.3,我有一个用Java实现的Play服务器(Play framework 2.3)。我想在文件中保留API调用日志,限制最大文件数和每个文件的最大大小。我有下面的application logger.xml文件 <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>/home/ajay/projects/application.log</file&
application logger.xml
文件
<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>/home/ajay/projects/application.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- Daily rollover with compression -->
<fileNamePattern>application-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
<!-- keep 30 days worth of history -->
<maxHistory>30</maxHistory>
</rollingPolicy>
<encoder>
<pattern>%date{yyyy-MM-dd HH:mm:ss ZZZZ} - [%level] - from %logger in %thread %n%message%n%xException%n</pattern>
</encoder>
</appender>
<appender name="ACCESS_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>/home/ajay/projects/access.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<!-- daily rollover with compression -->
<fileNamePattern>access-log-%d{yyyy-MM-dd}.gz</fileNamePattern>
<!-- keep 1 week worth of history -->
<maxHistory>7</maxHistory>
</rollingPolicy>
<encoder>
<pattern>%date{yyyy-MM-dd HH:mm:ss ZZZZ} %message%n</pattern>
<!-- this quadruples logging throughput -->
<immediateFlush>false</immediateFlush>
</encoder>
</appender>
<!-- additivity=false ensures access log data only goes to the access log -->
<logger name="access" level="INFO" additivity="false">
<appender-ref ref="ACCESS_FILE" />
</logger>
<root level="INFO">
<appender-ref ref="FILE"/>
</root>
import play.Logger;
// log in the access.log file
final Logger.ALogger accessLogger = Logger.of("access");
accessLogger.info("Logging api call from the client");
但是,它不起作用。access.log
文件为空,而所有日志记录都转到application.log
文件。我已经注释掉了application.conf
中的所有记录器设置。当我查看文件Logger.class
时,我发现了这一行
private static final ALogger logger = of("application");
这就是它不起作用的原因吗?请建议如何修复它。试试这个附件:
<appender name="CUSTOM" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>${application.home}/logs/agent.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<fileNamePattern>${application.home}/logs/old/myLog-%d{yyyy-MM-dd}.log.%i</fileNamePattern>
<maxHistory>30</maxHistory>
<timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
<maxFileSize>100MB</maxFileSize>
</timeBasedFileNamingAndTriggeringPolicy>
</rollingPolicy>
<encoder>
<pattern>%date %M %logger{0} %message%n</pattern>
</encoder>
</appender>
${application.home}/logs/agent.log
${application.home}/logs/old/myLog-%d{yyyy-MM-dd}.log。%i
30
100MB
%日期%M%logger{0}%消息%n
在文件名模式中,放入应用程序主路径。
appender的immediateFlush
属性设置为false,因此您不会立即在access.log文件中看到任何更改。移除
<immediateFlush>false</immediateFlush>
false
从配置xml中删除行
立即刷新输出流可确保日志事件立即写入磁盘,并且在应用程序退出而未正确关闭appender时不会丢失日志事件。如果改用log4j会发生什么<代码>导入org.slf4j.LoggerFactory;/*(…)*/LoggerFactory.getLogger(“访问”).error(“只是一个测试”)代码>@Salem我试过了,但似乎不起作用。所有日志仅写入
application.log
文件。可能是由于“immediateFlush”属性设置为false,您没有“立即”看到日志。