[logback-user] Log Rotation Fails on Windows if Using JNDI

Scott Dudley scott at telesoft.com
Thu Nov 3 22:02:52 CET 2011

So clarify for me...

If I have only one set of classes loaded by the servlet engine (Tomcat) 
and only one logback.xml file shared among all applications, how do I 
have multiple appenders?

On 11/03/2011 01:57 PM, ceki wrote:
> You have *multiple* appender instances (of the same type and run on 
> the same JVM) writing to the same file - that requires the prudent mode.
> On 03/11/2011 9:52 PM, Scott Dudley wrote:
>> Understood. I have only one. Guess I'll have to unpack the source and
>> roll up my sleeves. Thanks.
>> On 11/03/2011 01:47 PM, ceki wrote:
>>> On 03/11/2011 9:37 PM, Scott Dudley wrote:
>>>> My understanding from the documentation was that prudent was only
>>>> relevant when multiple JVM's were writing to the same log. I have only
>>>> one. I also read that it's use (although sometimes a necessity) 
>>>> incurs a
>>>> 3X drop in speed.
>>> Multiple appenders writing to the same file (regardless of JVM)
>>> requires the prudent mode.
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Scott Dudley
Senior Developer

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