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From Alexey Vorobiev <alexey_voro...@trustec.ru>
Subject Re: Help with LogFilePatternReceiver
Date Wed, 15 Feb 2006 06:04:10 GMT
Thanks a lot Scott. That is just what i've been searching 
for!

On Tue, 14 Feb 2006 08:08:04 -0800
  "Scott Deboy" <sdeboy@comotivsystems.com> wrote:
> Events in log4j can be generated in two ways:
> - log methods in code (logger.debug, etc)
> - a receiver
> 
> Appenders can process events generated by either of 
>these mechanisms.
> 
> In your case, you want to process events stored in a log 
>file (LogFilePatternReceiver) and store those events in a 
>database (JDBCAppender).
> 
> Specify both the receiver and appender configuration in 
>the same xml config file and it should work fine.
> 
> All you should need to do is create a simple class whose 
>main method calls 
>DomConfigurator.configure("c:/log4j/log4j.xml").
> 
> Here's an example configuration that provides a 
>logfilepatternreceiver and a consoleappender with an 
>attached expressionfilter (requires log4j 1.3 alpha jars 
>and jakarta-oro jar).
> 
> <?xml version="1.0" encoding="UTF-8" ?>
> <!DOCTYPE log4j:configuration >
> <log4j:configuration 
>xmlns:log4j="http://jakarta.apache.org/log4j/" 
>debug="true">
>   <appender name="CONSOLE" 
>class="org.apache.log4j.ConsoleAppender">
>     <layout class="org.apache.log4j.SimpleLayout"/>
>     <filter 
>class="org.apache.log4j.filter.ExpressionFilter">
>       <param name="Expression" value="msg ~= 'SPECIFY 
>CASE-INSENSITIVE MSG MATCH HERE'" />
>       <param name="AcceptOnMatch" value="true"/>
>     </filter>
>     <filter 
>class="org.apache.log4j.filter.DenyAllFilter"/>
>   </appender>
>   
>   <plugin name="LOGFILE" 
>class="org.apache.log4j.varia.LogFilePatternReceiver">
>     <param name="fileURL" value="file:///c:/some.log"/>
>     <param name="timestampFormat" value="yyyy-MM-dd 
>HH:mm:ss,SSS"/> 
>     <param name="logFormat" value="TIMESTAMP LEVEL 
>[LOGGER] MESSAGE"/> 
>     <param name="name" value="my log file"/>
>     <param name="tailing" value="true"/> 
>   </plugin>
>   
>   <root>
>      <level value="DEBUG"/>
>      <appender-ref ref="CONSOLE"/>
>   </root>
> </log4j:configuration>
> 
> ExpressionFilter supports all fields on logging events 
>and provides a number of operators.  See the tutorial in 
>Chainsaw V2 for a better explanation of the syntax used 
>by ExpressionFilter (used in Chainsaw to 
>colorize/filter/search events): 
>http://logging.apache.org/log4j/docs/chainsaw.html
> 
> NOTE: The denyallfilter ensures events are dropped if 
>they weren't accepted by the expressionfilter.
> 
> Something appears to be wrong with 
>logfilepatternreceiver in the alpha8 distribution - if 
>you have the alpha7 jars, use them instead for now.
> 
> 
> Scott Deboy
> COMOTIV SYSTEMS
> 111 SW Columbia Street Ste. 950
> Portland, OR  97201
> 
> Telephone:      503.224.7496
> Cell:           503.997.1367
>Fax:            503.222.0185
> 
> sdeboy@comotivsystems.com
> 
> www.comotivsystems.com
> 
> 
> 
> -----Original Message-----
>From: Alexey Vorobiev [mailto:alexey_vorobev@trustec.ru]
> Sent: Tue 2/14/2006 5:33 AM
> To: Log4J Users List
> Subject: Re: Help with LogFilePatternReceiver 
> 
> There is no way i can change config files for the 
> application.
> I've written the program to parse log file using 
> logfilepatternreciever
>  but how can I get the log records from it?
> Where are they stored during parsing?
> 
> Thanks in advance.
> 
> 
> On Mon, 13 Feb 2006 07:02:46 -0800
>  "Scott Deboy" <sdeboy@comotivsystems.com> wrote:
>> Can you modify the app's log4j config file?  If so, add 
>>a database appender to it.
>> 
>> If not, yes, you can specify both a 
>>logfilepatternreceive  and a database appender in the 
>>same config file.
>> 
>> 
>> Scott Deboy
>> COMOTIV SYSTEMS
>> 111 SW Columbia Street Ste. 950
>> Portland, OR  97201
>> 
>> Telephone:      503.224.7496
>> Cell:           503.997.1367
>>Fax:            503.222.0185
>> 
>> sdeboy@comotivsystems.com
>> 
>> www.comotivsystems.com
>> 
>> 
>> 
>> -----Original Message-----
>>From: Alexey Vorobiev [mailto:alexey_vorobev@trustec.ru]
>> Sent: Mon 2/13/2006 5:47 AM
>> To: log4j-user@logging.apache.org
>> Subject:  Help with LogFilePatternReceiver 
>> 
>> Hello,
>> 
>> Could someone help me please?
>> 
>> I need to parse log files with my program and insert 
>> filtered rows to the Database. I don't have access to 
>>the 
>> program that writes this logs but it is using log4j and 
>>i 
>> know the format. Is it possible to use 
>> LogFilePatternReceiver to read information from this log 
>> file?
>> Could someone provide example on how to get events data?
>> 
>> Thanks in advance.
>> 
>> With Regards,
>> Alexey Vorobiev
>> 
>> ---------------------------------------------------------------------
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>> 
>> 
>> 
> 
> With Regards,
> Alexey Vorobiev
> 
> Tel: +7 (095) 1045136
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: 
>log4j-user-unsubscribe@logging.apache.org
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>log4j-user-help@logging.apache.org
> 
> 
> 

With Regards,
Alexey Vorobiev

Tel: +7 (095) 1045136

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