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From Jasmin Mehta <Jasmin_Me...@nexweb.org>
Subject [Logging] : Logs not getting populated in log file
Date Fri, 06 Aug 2010 14:57:42 GMT
Hi,

I am using Oracle Application Server 10g Release 3 (10.1.3.5.0) for 
windows.

Because of below bug in Oracle App Server 






After Upgrading from 10.1.3.1.0 the Application Fails with 
"java.lang.NoClassDefFoundError: org/apache/log4j/Category" [ID 460448.1]




I  am not importing the OC4J standard shared lib "apache.commons.logging 
version 1.0.4" But have created my own shared-lib along with others. The 
nex.apache.commons.logging has one jar file commons-logging-1.1.1.jar.

<imported-shared-libraries> 
    <import-shared-library name="nex.apache.commons.logging" 
max-version="1.1.1"/> 
    <import-shared-library name="nex.Displaytag" max-version="1.1.1"/> 
    <import-shared-library name="nex.iBatis" max-version="2.3.0"/> 
    <import-shared-library name="nex.jakarta.commons" max-version="2.0"/> 
    <import-shared-library name="nex.Spring" max-version="2.5.0"/> 
    <import-shared-library name="nex.Struts" max-version="1.3.9"/> 
    <import-shared-library name="oracle.jdbc" max-version="11.1.0.7.0"/> 
</imported-shared-libraries> 

In my ear file I have log4j-1.2.13.jar file. The log4j.properties is:

log4j.rootCategory=DEBUG,stdout,standardFile
log4j.configCheckDelay=900000
################################## CONSOLE
########################################
log4j.appender.OJDL=oracle.core.ojdl.log4j.OracleAppender
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=[%d{dd MMM yyyy HH:mm:ss}]
%-5p [%c{1}] %m%n
log4j.defaultInitOverride=true
################################## STANDARD FILE
##################################
log4j.appender.standardFile=org.apache.log4j.RollingFileAppender
log4j.appender.standardFile.File=/u5/reteklogs/dev/VGCC/log/vgcc.log
log4j.appender.standardFile.MaxFileSize=1000KB
log4j.appender.standardFile.MaxBackupIndex=50
log4j.appender.standardFile.layout=org.apache.log4j.PatternLayout

The Java class using apche commons logging has code:

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class CustomerFindAction
  extends CommonDispatchAction
{

private Log logger = LogFactory.getLog(this.getClass());

  public ActionForward findCustomer(ActionMapping mapping, ActionForm 
form, 
                                    HttpServletRequest request, 
                                    HttpServletResponse response)
    throws Exception
  {

    logger.info("Entered findCustomer()");
    logger.debug("Testing apache commons");

.......

It does not print the logs on my log file vgcc.log.
 
But the Java class where I am using logger instance from log4j, it does 
print:

import org.apache.log4j.Logger;

public class SessionCounter
{
  private Logger logger = Logger.getLogger("SessionCounter");

  public  void addSession(HttpServletRequest request)
    throws ParseException, BusinessRuleException, 
           CloneNotSupportedException
  {
    logger.info("Entered addSession");
    logger.debug("testing log4j");
} ....



But I really need to display logs via apache commons logging, because my 
application has several other libraries that uses apache commons. and I 
need to print logs from there.

Thanks for your help.
Jasmin





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