Hello Neil,
FileNamePattern does not support the %d when used within
FixedWindowRollingPolicy. Only %i is supported. It's a currentlimitation of the
code.
I suggest that you enter a jira issue requesting simultaneous support for %d and
%i. Referencing or copying this thread would set a context for the problem which
would be helpful.
Cheers,
Neil Lott wrote:
Hi,
I'm using a FileNamePattern with a FixedWindowPolicy:
Here's my appender:
<appender name="FILE"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<file>/usr/local/mystro/logs/MSAServer.log</file>
<append>true</append>
<rollingPolicy
class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
<FileNamePattern>/usr/local/neil/logs/MSAServer.%i.%d{yyyyMMdd-HHmmss}.gz</FileNamePattern>
<MinIndex>1</MinIndex>
<MaxIndex>3</MaxIndex>
</rollingPolicy>
<triggeringPolicy
class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
<MaxFileSize>1KB</MaxFileSize>
</triggeringPolicy>
<layout class="ch.qos.logback.classic.PatternLayout">
<Pattern>%d{ISO8601} %-5level [%thread]
\(%logger{0}.%M:%L\\) - %msg%n</Pattern>
</layout>
</appender>
Here's the exception when the file rolls -- I had to alter the rollover
method of FixedWindowPolicy in order to catch throwable to see what was
going on:
java.lang.IllegalArgumentException: Cannot convert 3 of
typejava.lang.Integer
at
ch.qos.logback.core.rolling.helper.DateTokenConverter.convert(DateTokenConverter.java:60)
[snip]
Is this an intentional restriction to make the file name pattern have %i
first and then %d?
Thanks,
Neil
--
Ceki Gülcü
Logback: The reliable, generic, fast and flexible logging framework for Java.
http://logback.qos.ch
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