Questions tagged [rollingfileappender]

log4j RollingFileAppender extends FileAppender to backup the log files when they reach a certain size.

Apache Log4j 2 is an upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture.

  • log4j is a popular Java-based logging utility. It is a project of the Apache Software Foundation and is licensed under The Apache Software License, Version 2.0
  • log4j FileAppender appends log events to a file

See also:

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Intermittent log4net RollingFileAppender locked file issue

We are seeing an intermittent issue on development and production machines whereby our log files are not getting logged to. When running in development and debugging using Visual Studio we get the following log4net error messages in the VS output…
Richard Ev
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Log4Net: Rolling File appender, define extension

I want my logfile to look something like this: 2009-02-13.log but the problem is that I can't seem to find any way to add the .log extension. I've tried a lot of things but nothing helps. This is what I have this far:
user29964
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How does Log4j2 DefaultRolloverStrategy's max attribute really work?

I've configured a RollingRandomAccessFileAppender with only the OnStartupTriggeringPolicy set, but when I set the max attribute of the DefaultRolloverStrategy to some number, the logs keep generating past that amount indefinitely. Here's my…
Ceiling Gecko
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How do I configure a RollingFileAppender to roll by date and size with log4net?

I am configure log4net to use a composite RollingFileAppender so that the current file is always named logfile.log and all subsequent files are named logfile-YYYY.MM.dd.seq.log where seq is the sequence number if a log exceeds a certain size within…
Ryan Taylor
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Permissions on log files created by log4j RollingFileAppender

How are the permissions for files created by RollingFileAppender determined? I recently changed a daemon process I have to be run as a non-root user and the files are now being created with permissions of 0600 (only readable by the owner), but I…
Ken Waln
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Why is the date appended twice on filenames when using Log4Net?

I was trying to add the date to my log file name and I was able to make it work by following the few suggestions I've found in stackoverflow. Everything works fine but for some reason, the first file always has the date appended twice. For example,…
Hertanto Lie
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FileNamePattern in RollingFileAppender - logback Configuration

I have the following RollingFileappender in my logback configuration file. C:\Files\MyLogFile.log
Aks
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Log4Net Multiple loggers

First of all, I have seen a lot of answers and tips in others topics (most similar: Log4Net: Multiple loggers), but there is no applicable answer. I want to have 2 loggers with different file appenders and restrict each to write into root logger. It…
LaoR
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log4j properties DailyRollingFileAppender does not work

I want daily logs with the log file appended with the date in yyyy-dd-mm format. When I use DailyRollingFileAppender, a new log file is not created. The logs are written to the same log file. Also, the date Pattern provided is not considered. The…
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