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Posted to log4j-user@logging.apache.org by palakolanusrinu <sr...@mgl.com> on 2008/02/11 11:44:16 UTC

merging of logs

Can any one tell me how to merge two log files using log4j.

 I'm getting two log files from two different clients.Now i want to merge
those two logs into single log file is there any open source is avilable to
achive this or is there any way to do this?

Thanks in advance
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Re: merging of logs

Posted by Wim Deblauwe <wi...@gmail.com>.
You can use the open source Vigilog tool: http://vigilog.sourceforge.net

It allows you to open your log4j file and then merge that with another one.
You can make the lines of the different log files get a different color if
you want.

regards,

Wim

2008/2/11, palakolanusrinu <sr...@mgl.com>:
>
>
> Can any one tell me how to merge two log files using log4j.
>
> I'm getting two log files from two different clients.Now i want to merge
> those two logs into single log file is there any open source is avilable
> to
> achive this or is there any way to do this?
>
> Thanks in advance
> --
> View this message in context:
> http://www.nabble.com/merging-of-logs-tp15409075p15409075.html
> Sent from the Log4j - Users mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: log4j-user-unsubscribe@logging.apache.org
> For additional commands, e-mail: log4j-user-help@logging.apache.org
>
>


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Vigilog - an open source log file viewer: http://vigilog.sourceforge.net
Blog: http://www.jroller.com/page/Fester

Re: merging of logs

Posted by palakolanusrinu <sr...@mgl.com>.
Hi Richard Dunn 

thanks for ur reply...!ur interest wd be appreciated...! :)

 here i have some more quires regarding to this topic.
 we need to fetch the logs from clients at periodic interval of time this we
can achieve by tftp protocol
 after fetching  can we merge those using JMSAppender ?
 
 if its possible can u explain in detail

 
 

Richard Dunn-3 wrote:
> 
> I do this by using the JMSAppender. All the different servers log to  
> the same JMS server. The logs get merged at the JMS server.
> 
> On Feb 11, 2008, at 3:44 AM, palakolanusrinu wrote:
> 
>>
>> Can any one tell me how to merge two log files using log4j.
>>
>> I'm getting two log files from two different clients.Now i want to  
>> merge
>> those two logs into single log file is there any open source is  
>> avilable to
>> achive this or is there any way to do this?
>>
>> Thanks in advance
>> -- 
>> View this message in context:
>> http://www.nabble.com/merging-of-logs-tp15409075p15409075.html
>> Sent from the Log4j - Users mailing list archive at Nabble.com.
>>
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: log4j-user-unsubscribe@logging.apache.org
>> For additional commands, e-mail: log4j-user-help@logging.apache.org
>>
>>
> 
> 
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> 
> 

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Re: merging of logs

Posted by Richard Dunn <rd...@contentwatch.com>.
I do this by using the JMSAppender. All the different servers log to  
the same JMS server. The logs get merged at the JMS server.

On Feb 11, 2008, at 3:44 AM, palakolanusrinu wrote:

>
> Can any one tell me how to merge two log files using log4j.
>
> I'm getting two log files from two different clients.Now i want to  
> merge
> those two logs into single log file is there any open source is  
> avilable to
> achive this or is there any way to do this?
>
> Thanks in advance
> -- 
> View this message in context: http://www.nabble.com/merging-of-logs-tp15409075p15409075.html
> Sent from the Log4j - Users mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: log4j-user-unsubscribe@logging.apache.org
> For additional commands, e-mail: log4j-user-help@logging.apache.org
>
>


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Re: merging of logs

Posted by Curt Arnold <ca...@apache.org>.
On Feb 11, 2008, at 10:45 PM, palakolanusrinu wrote:

>
>
> Its urgent can any one reply plz
>
>
> palakolanusrinu wrote:
>>
>> Can any one tell me how to merge two log files using log4j.
>>
>> I'm getting two log files from two different clients.Now i want to  
>> merge
>> those two logs into single log file is there any open source is  
>> avilable
>> to achive this or is there any way to do this?
>>
>> Thanks in advance
>>
>

I assume that you want to have the log files sorted on the event  
timestamp, otherwise you could just append the two files together.

If you are just dealing with two log files that start with a timestamp  
and the timestamp format is compatible with a plain lexical sort, you  
could just use the "sort" command that is provided with Unix like  
operating systems (or Cygwin for Windows).  You'd have to pick out the  
where the sortable timestamp field appears in the log files.  Then do  
something like:

sort --key=10,15 mylog1.log mylog2.log > sorted.log

If the log files are written in XML format, then you could use an XSLT  
transform to sort them.

Anything that involves log4j is likely to be more complicated than  
just using a generic sort facility on the log files.  To use log4j,  
you would have to parse the log files back into a LoggingEvent, sort  
the LoggingEvent's by timestamp and then output the events into a new  
appender.

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Re: merging of logs

Posted by palakolanusrinu <sr...@mgl.com>.

Its urgent can any one reply plz


palakolanusrinu wrote:
> 
> Can any one tell me how to merge two log files using log4j.
> 
>  I'm getting two log files from two different clients.Now i want to merge
> those two logs into single log file is there any open source is avilable
> to achive this or is there any way to do this?
> 
> Thanks in advance
> 

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