I bet that more than two application instances are writing to the same
log file. If you have such a requirement, try logback which supports
multiple JVMs writing to the same log file.
Lesley Tay wrote:
Hi all,
Wondering if anyone has tried running log4j 1.2.14 using Java 1.6.0_11?
Have you come across any weird issues?
By weird I mean null characters being printed out to the log at random times:
2009-06-02 08:55:13,475 server1 principal logging-text
2009-06-02 08:55:14,872 server1 principal logging-text
^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^@
^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^@
^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^@
^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^@
^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^@
^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^@
^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^@
^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^...@^@^@
This application is running under Weblogic 10.3 using Java 1.6.0_11.
The log files are being written out to an NFS filesystem mounted onto the
servers that Weblogic runs on. Not sure if this makes a difference.
Our log4j.xml config for this particular log file looks like this:
<appender name="LOGGING" class="org.apache.log4j.DailyRollingFileAppender">
<param name="File" value="${name}-${env}-logfile__HOSTNAME_.log"/>
<param name="Append" value="true"/>
<!-- Rollover at midnight each day -->
<param name="DatePattern" value="'.'yyyy-MM-dd"/>
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d{ISO8601}\t%m%n" />
</layout>
</appender>
<appender name="LOGGING_ASYNC" class="org.apache.log4j.AsyncAppender">
<appender-ref ref="LOGGING"/>
</appender>
<logger name="usage.logger" additivity="false">
<level value="info" />
<appender-ref ref="LOGGING_ASYNC"/>
</logger>
I can't remember whether someone has posted about this problem before. Any
ideas?
Thanks,
Lesley Tay
Macquarie Group Limited
e: lesley....@macquarie.com
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--
Ceki Gülcü
Logback: The reliable, generic, fast and flexible logging framework for Java.
http://logback.qos.ch
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