[jira] [Comment Edited] (LOG4J2-808) RegexFilter does not work properly with RollingFileAppenders

["Pranav Pratap (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LOG4J2-808?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14118642#comment-14118642 ] 

Pranav Pratap edited comment on LOG4J2-808 at 9/2/14 8:10 PM:
--------------------------------------------------------------

Hi,

I tried the way you suggested and it worked for me as well. Thanks for the resolution. 

I have another question: I have situation here where based on regex it should display the logs,i.e., if the match is found then print the logs related to the match. If the match is not found then print all the logs. I am trying to achieve this using something:

<RegexFilter regex=".*XXX.*" onMatch="ACCEPT" onMismatch="NEUTRAL"/>

PS: regex has astreik as suggested by you but it is not coming in post pls use the astreik(*) after the dots(.) in regex above
But whether is match is present or not since, I used netural condition, it prints all the logs. PFA my code. Please suggest.


was (Author: ppratap404):
Hi,

I tried the way you suggested and it worked for me as well. Thanks for the resolution. 

I have another question: I have situation here where based on regex it should display the logs,i.e., if the match is found then print the logs related to the match. If the match is not found then print all the logs. I am trying to achieve this using something:

<RegexFilter regex=".*XXX.*" onMatch="ACCEPT" onMismatch="NEUTRAL"/>

But whether is match is present or not since, I used netural condition, it prints all the logs. PFA my code. Please suggest.

> RegexFilter does not work properly with RollingFileAppenders 
> -------------------------------------------------------------
>
>                 Key: LOG4J2-808
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-808
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Filters
>    Affects Versions: 2.0-rc1
>            Reporter: Pranav Pratap
>              Labels: newbie
>             Fix For: 2.0-rc1
>
>         Attachments: HelloWorld.java, MainApp.java, log4j2.xml
>
>
> I am trying to use Regexfilter in RollingFileAppender. For 1st matching instance it retreived the logger, but after that I different patttern but nothing is logged in the file. Here is what I am using:
> {code}
> Main Class:
> public class MainApp {
>     /** 
>      * @param args
>      */
>      public static void main(String[] args) {
>          // TODO Auto-generated method stub
> 	final Logger logger = LogManager.getLogger(MainApp.class.getName());
> 	
> 	ApplicationContext context = new ClassPathXmlApplicationContext("Beans.xml");
> 		
>         HelloWorld obj = (HelloWorld) context.getBean("helloWorld");
>         logger.trace("NPF:Trace:Entering Log4j2 Example.");
>         logger.debug("NTL:debug Entering Log4j2 Example.");
>         obj.getMessage();	
>         Company comp = new Company();
>         comp.setCompName("ANC");
>         comp.setEstablish(1889);
>      
>         CompanyBusiness compBus =      (CompanyBusiness)context.getBean("compBus");
>         compBus.finaceBusiness(comp.getCompName(), comp.getEstablish());
>         logger.trace("NTL: Trace: Exiting Log4j2 Example.");
>     }
> }
> {code}
> log4j2.xml:
> {code}
> <?xml version="1.0" encoding="UTF-8" ?>
> <Configuration>
>  	<Appenders>
>              <Console name="STDOUT" target="SYSTEM_OUT">
>                  <PatternLayout pattern="%d{yyyy-MM-dd [%t] HH:mm:ss} %-5p %c{1}:%L - %m%X%n" />
> 	    </Console>
> 	    <RollingFile name="RollingFile" fileName="C:\logTest\runtime\tla\els3.log"  append="true"
>     	                        filePattern="C:\logTest\runtime\tla\els3-%d{yyyy-MM-dd}-%i.log" >
>                 <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %m%X%n" />
>                 <RegexFilter regex=".*business*." onMatch="ACCEPT" onMismatch="DENY"/>	
>                 <Policies>
>                     <SizeBasedTriggeringPolicy size="20 MB" />
>                 </Policies>     	
>             </RollingFile>		
> 	</Appenders>
> 	<Loggers>
> 		<Logger name="com.anc" level="trace"/>	
> 		<Root level="trace"> 
>     		    <AppenderRef ref="STDOUT" /> 
>     		    <AppenderRef ref="RollingFile"/> 
> 		</Root>	
> 	</Loggers>
> </Configuration>
> {code}
> When I ran for the first time, in my logfile I got logs having only "business" related line. Latter I changed the patter from .*business*. to "business", logging did not happen in file nor on the console. Also my application terminated without any kind of logging.
> Then I tried to revert back the pattern to .*business*., thereafter no logging happened on the log file, but on the console all the log trace is printed. When I comment out the Regexfilter after trying for long time, my logs was printed in the log file.
> I am not sure if this is a bug of Regexfilter works only for one time. Also if we do not pass any patter matching characters, the application stops without any log printing either on console or file.



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