Urgent log4cxx: Large window sizes are not allowed.

[srkraju <ra...@cmcltd.com>]

I am using log4cxx0.10.0,apr-1.2.2, aprutil-1.2.2 in my application.

My application is running on Redhat Linux AS5, g++ version 4.1.1

 

I configured the configuration file as follows

                        log4j.rootLogger=DEBUG, A1,A2

log4j.appender.A2=org.apache.log4j.RollingFileAppender

log4j.appender.A2.File=exampleA2.log

log4j.appender.A2.Append=true

log4j.appender.A2.MaxBackUpIndex=50

log4j.appender.A2.MaxFileSize=100KB

log4j.appender.A2.layout = org.apache.log4j.PatternLayout

log4j.appender.A2.layout.ConversionPattern=%d{[dd MMM yyyy HH:mm:ss]} [%-5p]
%c   - %m%n

                        

log4j.appender.A1=org.apache.log4j.ConsoleAppender

log4j.appender.A1.Threshold=WARN

log4j.appender.A1.layout=org.apache.log4j.PatternLayout

log4j.appender.A1.layout.ConversionPattern=%d{[dd MMM yyyy] HH:mm:ss]}
[%-5p] %c   - %m%n

                        

 

            While executing the program it's giving a message

                        log4cxx: Large window sizes are not allowed.

            What would the problem.            

 

 

thanks& regards

srkraju

 


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Re: Urgent log4cxx: Large window sizes are not allowed.

[Dale King <da...@gmail.com>]

On Wed, Jun 18, 2008 at 7:32 AM, srkraju <ra...@cmcltd.com> wrote:
> log4j.appender.A2=org.apache.log4j.RollingFileAppender
> log4j.appender.A2.File=exampleA2.log
> log4j.appender.A2.Append=true
> log4j.appender.A2.MaxBackUpIndex=50
> log4j.appender.A2.MaxFileSize=100KB

>             While executing the program it's giving a message
>
>                         log4cxx: Large window sizes are not allowed.
>
>             What would the problem.

You have specified that 50 past backup files be kept (i.e. a window of
50 files). Think about what would have to happen when the log is
rolled over. The software would have to do 50 file renames. That's a
pretty expensive operation. Therefore log4cxx puts an artificial limit
on it. It only supports a maximum of 12 past log files. This can only
be changed by editing the software.

For Curt, I would suggest making the error message a bit more
explanatory. And perhaps have a way to change the limit without
recompiling.


-- 
Dale King