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Question

 Manjunath Pai G (ManjuPai)
Pai G
System Programmer
Pai G
IN
ManjuPai Member since 2016 33 posts
Pai G
Posted: Jan 10, 2018
Last activity: Feb 28, 2018
Posted: 10 Jan 2018 0:17 EST
Last activity: 28 Feb 2018 23:07 EST
Closed

How to enable log rotation in Tomcat 8.5

Hi,

We need to enable log file rolling of tomcat logs. Does anyone point me how to do the same?

Thanks

Manju.

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Posted: 7 years ago
Posted: 10 Jan 2018 4:03 EST
Mahesh Midthuru (Mahesh Midthuru)
PEGA
Senior Principal Application Engineer, Customer Service Digital
Pegasystems Inc.
US

Hi Manju,

You can have a look into this discussion answer regarding your query which might help you to proceed further. The referred discussion explained with the tomcat 6.0 logging documentation reference, as you are using tomcat 8.5 sharing the corresponding logging documentation over here.

Hope this might help you to proceed further.

Regards

Mahesh

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Posted: 7 years ago
Posted: 11 Jan 2018 1:45 EST
Arun Kumar Mahanty (Arun_Mahanty)
Pegasystems Inc.
Principal Technical Solutions Engineer
Pegasystems Inc.
IN

The following steps describe configuring log4j to output Tomcat's internal logging.

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The following steps describe configuring log4j to output Tomcat's internal logging.

  1. Create a file called log4j.properties with the following content and save it into $CATALINA_BASE/lib
  1. log4j.rootLogger = INFO, CATALINA
  2.  
  3. # Define all the appenders
  4. log4j.appender.CATALINA = org.apache.log4j.DailyRollingFileAppender
  5. log4j.appender.CATALINA.File = ${catalina.base}/logs/catalina
  6. log4j.appender.CATALINA.Append = true
  7. log4j.appender.CATALINA.Encoding = UTF-8
  8. # Roll-over the log once per day
  9. log4j.appender.CATALINA.DatePattern = '.'yyyy-MM-dd'.log'
  10. log4j.appender.CATALINA.layout = org.apache.log4j.PatternLayout
  11. log4j.appender.CATALINA.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
  12.  
  13. log4j.appender.LOCALHOST = org.apache.log4j.DailyRollingFileAppender
  14. log4j.appender.LOCALHOST.File = ${catalina.base}/logs/localhost
  15. log4j.appender.LOCALHOST.Append = true
  16. log4j.appender.LOCALHOST.Encoding = UTF-8
  17. log4j.appender.LOCALHOST.DatePattern = '.'yyyy-MM-dd'.log'
  18. log4j.appender.LOCALHOST.layout = org.apache.log4j.PatternLayout
  19. log4j.appender.LOCALHOST.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
  20.  
  21. log4j.appender.MANAGER = org.apache.log4j.DailyRollingFileAppender
  22. log4j.appender.MANAGER.File = ${catalina.base}/logs/manager
  23. log4j.appender.MANAGER.Append = true
  24. log4j.appender.MANAGER.Encoding = UTF-8
  25. log4j.appender.MANAGER.DatePattern = '.'yyyy-MM-dd'.log'
  26. log4j.appender.MANAGER.layout = org.apache.log4j.PatternLayout
  27. log4j.appender.MANAGER.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
  28.  
  29. log4j.appender.HOST-MANAGER = org.apache.log4j.DailyRollingFileAppender
  30. log4j.appender.HOST-MANAGER.File = ${catalina.base}/logs/host-manager
  31. log4j.appender.HOST-MANAGER.Append = true
  32. log4j.appender.HOST-MANAGER.Encoding = UTF-8
  33. log4j.appender.HOST-MANAGER.DatePattern = '.'yyyy-MM-dd'.log'
  34. log4j.appender.HOST-MANAGER.layout = org.apache.log4j.PatternLayout
  35. log4j.appender.HOST-MANAGER.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
  36.  
  37. log4j.appender.CONSOLE = org.apache.log4j.ConsoleAppender
  38. log4j.appender.CONSOLE.Encoding = UTF-8
  39. log4j.appender.CONSOLE.layout = org.apache.log4j.PatternLayout
  40. log4j.appender.CONSOLE.layout.ConversionPattern = %d [%t] %-5p %c- %m%n
  41.  
  42. # Configure which loggers log to which appenders
  43. log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost] = INFO, LOCALHOST
  44. log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/manager] =\
  45.   INFO, MANAGER
  46. log4j.logger.org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/host-manager] =\
  47.   INFO, HOST-MANAGER

With the help of DailyRollingFileAppender you can roll the logs daily .

For more information go through below article.

https://tomcat.apache.org/tomcat-7.0-doc/logging.html#Using_Log4j

Thanks,

Arun


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Posted: 7 years ago
Posted: 28 Feb 2018 23:07 EST
Narhar Sharma (NarharDevS)
Intel

Intel
IN

 

Hi Arun,

We tried implementing the changes, Tomcat is not starting even catalina file itself is not getting creating (attaching  logs). Our Tomcat version is "8.5.23"

Even i tried following the steps in the link that you attached for the reference, still no luck !!

Please assist.

Thanks & Regards,

Narhar Dev Sharma

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