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From "Jacob Kjome" <h...@visi.com>
Subject Re: FileAppender problem
Date Tue, 15 Feb 2011 15:45:15 GMT
I suggest using a ServletContextLister and calling LogManager.shutdown() when 
your webapp is stopped.

http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/LogManager.html#shutdown%28%29

http://stackoverflow.com/questions/839255/how-do-i-properly-log4j-closing-all-appenders-and-therefore-files


Jake


On Tue, 15 Feb 2011 10:06:57 +0530
 Umesh Awasthi <umeshawasthi@gmail.com> wrote:
> Josef,
> 
> Thanks for the help.i able to solve the problem and here is the casue of the
> problem'.
> since i was creating fileappender instance
> appender = new FileAppender(layout, sb.toString(), false);
> inside the constructor of my class and i was of impression that log4j is
> responsible for closing the appender which in my case was not happening at
> all.
> so after looking in to the FileAppender source code i got the hint since in
> the code they tried to close the appender but code was indicating that there
> may be some cases where appender might still be open and my problem was in
> this section,so after doing my work i simply closed the appender and it
> solved the whole issue.
> 
> still i am not sure how tomcat was keeping refrence of all the appender
> created by the code since i was cleaning up my code and was making all
> refrences null.
> 
> any one have idea,please do share
> 
> 
> 
> On Mon, Feb 14, 2011 at 11:23 PM, Stadelmann Josef <
> josef.stadelmann@axa-winterthur.ch> wrote:
> 
>> In case you have conflicts, it is a good Idea to consolidate all different
>> log4j.properties into one big log4j.properties and have that used when
>> TOMCAT starts. This just fior a test. If then all runs, then your problems
>> may be that of a access conflict; i.e. trying to open a file or a channel
>> which is already open.
>>
>> It helped for me in many case.
>> Josef
>>
>>
>>
>> -----Ursprüngliche Nachricht-----
>> Von: Umesh Awasthi [mailto:umeshawasthi@gmail.com]
>> Gesendet: Montag, 14. Februar 2011 15:35
>> An: log4j-user
>> Betreff: Re: FileAppender problem
>>
>> Hi All,
>>
>> Can any one help me in this,it seems the my tomcat server keeping a
>> refrence
>> of all fileappender
>>
>> On Sat, Feb 12, 2011 at 11:22 AM, Umesh Awasthi <umeshawasthi@gmail.com
>> >wrote:
>>
>> > Hi All,
>> >
>> > I am working on a webapplication and i have a requirment to generate log
>> > files at run time for my impex process.here is the use case
>> > i am validating an XML file and validation error is being handled by
>> custom
>> > Error handler.This error hanlde will be passed to the underlying
>> validator
>> > (Jaxb 2.x validator),so i have to create the log file when the instance
>> of
>> > this error hanlder is being created.
>> >
>> > here is the code to create log file at run time
>> > FileAppender appender;
>> >             try {
>> >                 appender = new FileAppender(layout, sb.toString(),
>> false);
>> >                 log.addAppender(appender);
>> >                 log.setAdditivity(false);
>> >                 log.setLevel(Level.WARN);
>> >             } catch (IOException e) {
>> >                 e.printStackTrace();
>> >             }
>> >
>> > everything is working fine and file is being created correctly as well
>> > being written by the logger to the respective place.
>> > but if i restart my server real problem starts and logger starting
>> > appending the log content not only to its pareent class as well other
>> > classes.here is the details
>> > lets suppose i have 3 log (A,B,C) files already at the location with 3
>> > lines in each log file and C was the latest file created in the process.
>> >  so when i restart my server it some how appending data in to previos all
>> > log files in this fashin
>> > C has still 3 lines
>> > B has now 6 lines
>> > A has now 9 lines
>> >
>> > it seems that the appender i hace created is still open or have refrence
>> > not sure what exactly going on.
>> > any help in this regard will be helpfull.
>> >
>> >
>> > --
>> > With Regards
>> > Umesh Awasthi
>> > http://www.travellingrants.com/
>> >
>> >
>> >
>>
>>
>>
>> --
>> With Regards
>> Umesh Awasthi
>> http://www.travellingrants.com/
>>
>> ---------------------------------------------------------------------
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>>
>>
> 
> 
> -- 
> With Regards
> Umesh Awasthi
> http://www.travellingrants.com/


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