我们正在评估在多服务器Weblogic环境中使用logback。在一台机器上,我们有两个WebLogic服务器实例(基本上是两个单独的JVM进程)在同一个WebLogic域上运行。服务器记录到同一个日志文件(application.log)。两台服务器的logback配置(logback.xml)相同(如下所示):
<configuration scan="true" debug="true">
<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>log/application.log</file>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>log/application.%d{yyyy-MM-dd}.log</FileNamePattern>
</rollingPolicy>
<encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
<pattern>%d{HH:mm:ss.SSS} [%31.31logger] [%-5level] [%28.-28thread] %msg %xEx %n</pattern>
</encoder>
</appender>
<logger name="org" level="ERROR"/>
<root level="DEBUG">
<appender-ref ref="FILE" />
</root>
</configuration>
在编辑配置(例如更改根日志记录级别或添加新日志记录程序)之前,所有操作都正常,之后日志记录将完全停止。日志中不会打印任何内容,控制台中也不会显示任何日志返回错误消息。logback已经处于调试模式,在服务器启动时,通过将以下内容写入每个服务器的控制台进行验证:
18:06:37,949 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Could NOT find resource [logback.groovy]
18:06:37,951 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Could NOT find resource [logback-test.xml]
18:06:37,957 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Found resource [logback.xml] at [file:/opt/bea10/user_projects/KG/resources/config/logback.xml]
18:06:39,457 |-INFO in ch.qos.logback.classic.turbo.ReconfigureOnChangeFilter@158ef4f - Will scan for changes in file [/opt/bea10/user_projects/KG/resources/config/logback.xml] every 60 seconds.
18:06:39,457 |-INFO in ch.qos.logback.classic.joran.action.ConfigurationAction - Adding ReconfigureOnChangeFilter as a turbo filter
18:06:39,471 |-INFO in ch.qos.logback.core.joran.action.AppenderAction - About to instantiate appender of type [ch.qos.logback.core.rolling.RollingFileAppender]
18:06:39,556 |-INFO in ch.qos.logback.core.joran.action.AppenderAction - Naming appender as [FILE]
18:06:40,061 |-INFO in ch.qos.logback.core.joran.action.NestedComplexPropertyIA - Pushing component [rollingPolicy] on top of the object stack.
18:06:40,533 |-INFO in c.q.l.core.rolling.TimeBasedRollingPolicy - No compression will be used
18:06:40,563 |-INFO in c.q.l.core.rolling.TimeBasedRollingPolicy - Will use the pattern log/application.%d{yyyy-MM-dd}.log for the active file
18:06:40,652 |-INFO in c.q.l.core.rolling.DefaultTimeBasedFileNamingAndTriggeringPolicy - The date pattern is 'yyyy-MM-dd' from file name pattern 'log/application.%d{yyyy-MM-dd}.log'.
18:06:40,652 |-INFO in c.q.l.core.rolling.DefaultTimeBasedFileNamingAndTriggeringPolicy - Roll-over at midnight.
18:06:40,654 |-INFO in c.q.l.core.rolling.DefaultTimeBasedFileNamingAndTriggeringPolicy - Setting initial period to Wed Oct 20 17:43:20 EEST 2010
18:06:40,685 |-INFO in ch.qos.logback.core.joran.action.NestedComplexPropertyIA - Pushing component [encoder] on top of the object stack.
18:06:41,256 |-INFO in ch.qos.logback.core.rolling.RollingFileAppender[FILE] - Active log file name: log/application.log
18:06:41,257 |-INFO in ch.qos.logback.core.rolling.RollingFileAppender[FILE] - File property is set to [log/application.log]
18:06:41,307 |-INFO in ch.qos.logback.classic.joran.action.LoggerAction - Setting level of logger [org] to ERROR
18:06:41,307 |-INFO in ch.qos.logback.classic.joran.action.LoggerAction - Setting additivity of logger [org] to true
18:06:41,307 |-INFO in ch.qos.logback.classic.joran.action.RootLoggerAction - Setting level of ROOT logger to DEBUG
18:06:41,308 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [FILE] to Logger[ROOT]
18:06:41,351 |-INFO in ch.qos.logback.classic.joran.action.ConfigurationAction - End of configuration.
回溯的版本为0.924,SLF4J为1.06,WebLogic为10.3(怀疑是否重要),Java为1.60*12。操作系统是Solaris。我甚至尝试过使用Java选项
-XX:-UseVMInterruptibleIO
因为这是针对Solaris上的一个日志问题提出的
here
但是这没有帮助。
有什么方法可以让这个工作吗?让这两个服务器写入同一个日志文件是一个坏主意吗?