from:"James A. N. Stauffer"

Multiple processes can't write to the same file even with
AsyncAppender.  AsyncAppender is so that logging doesn't have to wait
for the message to be written when the underlying appender could take
a while to write.

James A. N. Stauffer http://www.geocities.com/stauffer_james/
Are you good? Take the test at http://www.livingwaters.com/good/


On Wed, Jun 18, 2008 at 2:01 PM, krista [EMAIL PROTECTED] wrote:

 I was wondering if anyone knew if there was a built in way to use a
 RollingFileAppender combined with the AsyncAppender?  I have a log file that
 needs rollover capability and that multiple processes will be hitting.  This
 seems like a pretty common thing to need, but I can't find any references to
 it anywhere.

 I've seen that the AsynchAppender has an addAppender method, but how exactly
 does that work, and what if I want to configure it all in my property file?
 Do I need to load the property file containing the AsynchAppender and then
 attach the RollingFileAppender programmatically?

 Thank you in advance for any responses.
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Re: isErrorEnabled()

It doesn't look like there is an isErrorEnabled method but you could
use logger.isEnabledFor(Level.ERROR)

Why would you ever disable the error level?

James A. N. Stauffer http://www.geocities.com/stauffer_james/
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On Mon, Jun 23, 2008 at 7:25 AM, Konstantin Domoratskyy
[EMAIL PROTECTED] wrote:
 Hi,

 I use recently log4j.
 I have an old program. There is here a logger.isErrorEnabled() test before
 logger.error(...). I don't know when this has been implemented, but now I
 cannot found isErrorEnabled() in the log4j API for Logger.
 Is this method now in error(String str) encapsulated? If no, how can I
 realize this combination else?


 Thanks and regards
 Konstantin Domoratskyy




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Re: Reg custome log levels

You can map the log4j levels as follows and then just use the standard levels.

0: OFF
1: WARN
2: INFO
3: DEBUG (or TRACE)


James A. N. Stauffer http://www.geocities.com/stauffer_james/
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On Mon, Jun 23, 2008 at 3:58 PM, pram [EMAIL PROTECTED] wrote:

 Hello all,

 I wrote a java application that processes xml files in a dir, and posts jms
 messages in a queue.

 I have the following requirement for logging:
 Take logging level as one of the config parameters and do the logging
 accordingly.
 For example:  The log-level can be 0-(no logging), 1-(errors/warnings only),
 2-(1+significant info included, like jms message picked, jms message
 processed etc), 3-(2+message text included)

 Can anybody please suggest a good way of achieving this? Should I use the
 log4j standard logging levels, or define my own custome levels?

 Thanks,
 Pram


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Re: Logging levels per workstation

If each workstation is running log4j then you can just use a different
config file.

James A. N. Stauffer http://www.geocities.com/stauffer_james/
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On Mon, Jun 30, 2008 at 9:25 AM, Chris Gilliam
[EMAIL PROTECTED] wrote:
 Hello All,
  I am looking at using Log4J for a project I am working on. I am just
 curious if there is a way to configure Log4J so I can have different
 workstation logging at different levels.  This would be the great for
 support while they are working on a problem so they can turn up the level
 for a specific workstation vs the whole application and bring the server to
 a crawl while logging a few hundred workstations.

 Thanks in advance.
 Chris


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Re: using log4j with OAS for some reasone all the logging activity hangs from all the applications deployed

The sub-applications may be trying to reconfigure logging.
Run with -Dlog4j.debug to see if that is happening.

James A. N. Stauffer http://www.geocities.com/stauffer_james/
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On Mon, Jun 30, 2008 at 9:32 AM, Amgad Mohamed [EMAIL PROTECTED] wrote:
 Dear All,

 I'm using log4j to log the events that appears in a certain application
 under
 Oracle Application Server. This application includes sub-application but all
 are sharing the same log4j properties file. For some reasons the logging in
 all
 sub-applications stops and I don't know why.
 FYI each sub-application logs in a different file, and there are some
 sub-applications connects to other platform throw http.

 To make the logging work again I have to restart the OC4J in which this
 application is deployed in the OAS.






 Regards,

 Amgad Muhammad

 Software Engineer

 GoodNews4Me

 Tel: +2 02 2792 40 40 ext. 426

 Fax: +2 02 2795 89 38

 2 Abdel Kader Hamza St., Garden City

 Cairo, Egypt





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Re: How to Prevent Empty Log Files?

2008-06-09 Thread James A. N. Stauffer

I don't think so.

James A. N. Stauffer http://www.geocities.com/stauffer_james/
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On Mon, Jun 9, 2008 at 2:15 PM, Reza Sherafat [EMAIL PROTECTED] wrote:

 Hi,



 I was wondering if there is a way to instruct log4j to postpone
 creation of log files, until there is actually something being logged 
 (written to the file).

 I want to prevent creation of empty log files - created at startup.


 I think the changing log levels does not solve this problem, since log files 
 will be created first anyway and remain empty.



 Thanks in advance,

 Reza
 _
 If you like crossword puzzles, then you'll love Flexicon, a game which 
 combines four overlapping crossword puzzles into one!
 http://g.msn.ca/ca55/208

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Re: Including log4j in war file

2008-06-04 Thread James A. N. Stauffer

That fits with how I understand the configuration.  If you include
log4j.jar in your war then the classloader will use that jar instead
of the jar in common/lib and will use the config in the war also.

On Wed, Jun 4, 2008 at 2:34 PM, Serroul, Carol
[EMAIL PROTECTED] wrote:
 Good afternoon,

 I debated which list to send this to as I'm not sure if it is a tomcat issue 
 or a log4j one.

 We have a tomcat environment (5.5.25) with log4j-1.2.14.jar located in 
 common/lib.  Each app that we deploy generally has a log4j.properties file to 
 configure it's own logging.  What we've found is that if we don't include the 
 log4j file in the war file for each application, all of our logging output 
 goes to tomcat.log.  If we deploy a log4j jar file with our war file, the 
 logging works correctly.

 Have any of you run into anything similar?  I can send whatever config files 
 might be necessary but don't want to pre-emptively flood you with information.

 Thanks!

 Carol Serroul | Senior Systems Analyst | Analyste principal des systèmes
 613-993-2667 | facsimile / télécopieur 613-991-2857 | [EMAIL PROTECTED]
 CISTI, National Research Council Canada | 1200 Montreal Road Ottawa ON  K1A 
 0R6
 ICIST, National Research Council Canada | 1200, chemin Montréal Ottawa ON  
 K1A 0R6
 Government of Canada | Gouvernement du Canada





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Re: Various fields in log4j.properties

You might for the XML DTD helpful (but I don't know if there is a spec
for .properties)
http://svn.apache.org/viewvc/logging/log4j/trunk/src/main/resources/org/apache/log4j/xml/log4j.dtd?view=markup

On Thu, May 8, 2008 at 1:02 AM, lp_1431 [EMAIL PROTECTED] wrote:

 Kindly please let me know all the fields that can be put in the
 log4j.properties file.

 Thanks

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Re: Logging internal problems with the DailyRollingFileAppender

LogLog doesn't use the log4j config to log.  If it did then there
would be recursive error problems.

On Fri, May 9, 2008 at 8:46 PM, Vincenzo Vitale
[EMAIL PROTECTED] wrote:
 Hi,

 in our system (Jboss on Linux) we log in a custom file on a remote machine;
 the directory is normally mounted in a way that if something happen Jboss
 doesn't hang. But it's an important requirement that if for any reason
 something happen while logging (directory or file not anymore available) an
 error or warnign message should be logged on the normal log file.

 Looking at the code of the LogLog class, I have seen that the log4j.debug
 system variable can be enabled for internal debugging messages but this kind
 of problems should be logged as Errors or warning, right? So only the
 quietMode variable is considered... but when I umount the directory or just
 change the filename nothing is logged. I see that everything is logged on
 the System error but this should be redirect to the normal log or not?



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Re: Moving log statements from file to database.

Write the logs in XML format (to make it easier to parse) and then
write a program to parse and write to the DB.

On Mon, May 12, 2008 at 12:56 AM, Duseja, Sushil
[EMAIL PROTECTED] wrote:
 Hello,



 I have written a custom appender using Axis and log4j. This appender
 calls my web service. Following is what happens:-



 *   If the service is up, it writes the logging statements to one of
 the tables in the database.
 *   If the service is down, it writes the logging statements to a
 file on the file system. (This is done so that the log statements are
 not missed.)



 Now, when the service comes up again, the log statements in the file
 (which were meant to go into the database table originally) should be
 written back to the database.



 Can anyone please let me know as to how to go about it?



 Thanks.



 Regards,

 Sushil Duseja









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Re: Combining log4j and log4net

file: No
port: yes but I don't know if the format is the same.

On Tue, May 13, 2008 at 2:51 AM,  [EMAIL PROTECTED] wrote:
 Hi,

 We have an application set consisting of both java and .net applications.

 Is it possible to have separate log4j and log4net instrumented applications
 simultaniously writing to the same text log file or to the ip port ?

 /Geir
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Re: Appender events and levels.

Your info doesn't seem to jive. It appears that you are appending to
the subject in a loop or something to get multiple paranthesis.

On Tue, May 13, 2008 at 4:30 PM, Tasso Angelidis [EMAIL PROTECTED] wrote:
 I wrote my own SMTP appender as I required some additional functionality.

 Bassically in void append(LoggingEvent event) I want to append the Level to 
 the subject of the email.

 String subject  = new String(My Subject);
 subject +=  ( + event.getLevel().toString() + );


 In my application:

opsLogger.info(test1); Produces subject: My Subject (ERROR) (INFO)

opsLogger.error(test2);  Produces subject: My Subject (ERROR)

opsLogger.warn(test3);  Produces subject: My Subject (ERROR) (INFO) 
 (WARN)


 How can I get the appender to only write the specific Level not the hiarchy.


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Re: Configuration through Database

Store the XML in a clob and use
org.apache.log4j.xml.DOMConfigurator.configure(org.w3c.dom.Element
element) before making any other log4j calls.

On Tue, May 13, 2008 at 11:22 PM, Mitesh Mehta [EMAIL PROTECTED] wrote:
 I would like to configure log4j using a Database (i.e. my properties or XML
 file would reside in a DB).  Has that been done by anyone OR does anyone
 have suggestions?  The requirement comes from security rules make direct
 file access for configuration changes difficult, but allow us to build a
 simple UI to update the configuration directly in the database.

 Thanks.




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Re: log history limit

Consider having a cron job or scheduled task that deletes files older
than 8 days.

On Tue, May 20, 2008 at 8:26 AM,  [EMAIL PROTECTED] wrote:
 I am using Log4j in my project and have configured a file appender in it. My
 problem , log4j is creates a new file for logging purpose every day and
 backs up the last day log in a separate file and name is it with its
 respective date. I want to limit this behavior of log4j for last eight days
 so that I can save the disk space. I mean to say I want log4j to maintain
 the history of log for last eight days. Can any please help me in this
 regards. Following is the detail of my log4j.properties file:


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Re: Thread specific appender for webapp (also using separate log files for threads)

You might be able to extend FileAppender

On Wed, May 28, 2008 at 9:23 AM, Armin Häberling
[EMAIL PROTECTED] wrote:
 Curt Arnold wrote:

 On May 26, 2008, at 6:52 AM, Armin Häberling wrote:

 Hi all,

 I'm facing the following problem. We have a tomcat instance with multiple
 webapps. The apps share many libraries in shared/lib directory, some of them
 use log4j and some apache commons-logging.

 Currently all the apps log to the same log file, which is suboptimal. We
 like to have one log file per webapp.

 AFAIK one solution for this is to put for each webapp a log4j jar in the
 WEB_INF/lib directory and a separate log4j.properties.
 As far as I understand the tomcat classloader hierarchy, all libraries in
 shared/lib that use log4j must then also be moved to WEB_INF/lib directory
 of the webapp. (please correct me if I'm wrong!).
 Unfortunately this is not possible in our specific case.

 As a second solution I thought of an appender, that writes to different
 files, based on the caller thread. It should be possible to extend this to
 have different log files per webapp.
 Has anyone already done such a thing?
 Any hints how this can be easily implemented? I guess I have write a new
 Appender extending AppenderSkeleton.

 Thanks in advance!

Armin


 Both this and the using separate log files for threads question would be
 good uses for the MultiFileAppender effort that started in the sandbox a
 couple of years ago but stalled due to my time constraints and the lack of
 any other contributors.  It was not left in a usable state, but the major
 design ideas should be visible.  I have had good intentions to return to
 complete it.  The code is in
 http://svn.apache.org/repos/asf/logging/sandbox/log4j/multifile.  Search the
 list for multifile for previous discussions.

 Basically, the idea is that  a FileNamePolicy examines each LoggingEvent
 and returns the corresponding file name.  The append manages a set of open
 files making sure that the number of open files does not exceed a fixed
 limit and that files are closed after some extended period of inactivity.
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 Hi Curt,

 This sounds good. I had a look at the code. Basically what remains to do is
 to implement the actual MultiFileAppender class. Once this done it should be
 easy to write a custom FileNamePolicies.

 I don't know the log4j code well. But with some help, I could create an
 initial implementation of the MultiFileAppender.
 Have you already done some sort of detail design for the MultiFileAppender?
 Is there some code in log4j that I could reuse for the MultiFileAppender,
 other than AppenderSkeleton?

Armin



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Re: two appenders logging to the same file with different levels and message patterns

The rolling would probably happened based on if the appender
processing the current event thought it should be rolled.

On Wed, May 28, 2008 at 12:15 PM, Alec Lebedev
[EMAIL PROTECTED] wrote:
 I have two pieces of code which I want to log messages to the same file,
 but use different pattern format.



 I created two RollingFileAppender  appenders, one - for each pattern
 format. Both appenders log to the same file. Is this safe to do?



 If this is safe to do, then let's assume that the first appender has
 MaxFileSize 1MB and MaxBackupIndex of 10, another appender has
 MaxFileSize 2MB and MaxBackupIndex of 20. How would the log file grow in
 this case?



 If this is not safe to do, then how can I have two pieces of code log
 into the same file, but have different log levels and message patterns?



 Thanks.



 Alec





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Re: SMTPAppender not send a specific ERROR log

Is it possible that the email appender doesn't see the logs from
MemoryWarningSystem because of being on a different trunk of the
logger tree?

On Fri, May 30, 2008 at 12:12 PM, Stephen More [EMAIL PROTECTED] wrote:
 I have configured log4j.xml with a appender name=email
 class=org.apache.log4j.net.SMTPAppender that is emailing out all
 ERROR messages except for one specific error.

 I have added a MemoryWarningSystem to a tomcat servlet. (
 http://www.javaspecialists.eu/archive/Issue092.html )

 public void init() throws javax.servlet.ServletException
{
_log.trace( Executing INIT );

MemoryWarningSystem.setPercentageUsageThreshold( 0.1 );

mws = new MemoryWarningSystem();
mws.addListener( new MemoryWarningSystem.Listener()
{
public void memoryUsageLow( long usedMemory, long maxMemory )
{
double percentageUsed = ((double) usedMemory) / maxMemory;
_log.error(Memory percentageUsed =  + percentageUsed);
MemoryWarningSystem.setPercentageUsageThreshold( 0.2 );
}
});
}

 My file appender shows 2008-05-30 13:01:13,083 ERROR
 [MonitorServlet:24] Memory percentageUsed = 0.10273910155216874 but I
 get no email. ( I do get other ERROR emails ).

 What is the best way I can get this working ?

 -Thanks
 Steve More

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Re: Logging internal problems with the DailyRollingFileAppender

Redirect standard out and standard error.  But don't send them to log4j.

On Tue, Jun 3, 2008 at 4:01 PM, Vincenzo Vitale
[EMAIL PROTECTED] wrote:
 Hi James,

 thanks for your answer.

 How can I configure where LogLog write the logs?

 On Tue, Jun 3, 2008 at 10:05 PM, James A. N. Stauffer 
 [EMAIL PROTECTED] wrote:

 LogLog doesn't use the log4j config to log.  If it did then there
 would be recursive error problems.

 On Fri, May 9, 2008 at 8:46 PM, Vincenzo Vitale
 [EMAIL PROTECTED] wrote:
  Hi,
 
  in our system (Jboss on Linux) we log in a custom file on a remote
 machine;
  the directory is normally mounted in a way that if something happen Jboss
  doesn't hang. But it's an important requirement that if for any reason
  something happen while logging (directory or file not anymore available)
 an
  error or warnign message should be logged on the normal log file.
 
  Looking at the code of the LogLog class, I have seen that the log4j.debug
  system variable can be enabled for internal debugging messages but this
 kind
  of problems should be logged as Errors or warning, right? So only the
  quietMode variable is considered... but when I umount the directory or
 just
  change the filename nothing is logged. I see that everything is logged on
  the System error but this should be redirect to the normal log or not?



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Re: can log4j overwriting and wrong time/date rollover

2008-05-16 Thread James A. N. Stauffer

You can't have 2 JVMs writing to the same file. You could use a
system property to make them write to different files.

On Thu, Apr 24, 2008 at 4:25 AM, wesleywj2 [EMAIL PROTECTED] wrote:

hi everyone,

i faced with a rather weird outcome of log4j. first of all to load preface
information,
i'm using apache2.2 and load balanced 2 tomcat version 6 called tomcat1
tomcat2 respectively. i made the tomcat1 2
point to a single webapp directory.

rough diagram looks like this:

Apache2.2
|
-
||
tomcat1tomcat2
| |
-
|
webapps

as depicted above, any request send from apache to tomcat1 and
tomcat2 will use the same copy of servlet within the webapps/WEB-INF/classes
dir. i set the log file to eg. /log/mylog.log. the log4j settings is as
below.

p
log4j.rootLogger=DEBUG,DAILY
log4j.appender.DAILY=org.apache.log4j.DailyRollingFileAppender
log4j.appender.DAILY.layout=org.apache.log4j.PatternLayout
log4j.appender.DAILY.File=/log/mylog.log
log4j.appender.DAILY.Append=true

log4j.appender.DAILY.DatePattern='.'-MM-dd-HH
log4j.appender.DAILY.layout.ConversionPattern=%d %-5p [%t] %-17c{2} %3x -
%m%n
/p

based on the setting above, it should log every top hour
per file.

There are 2 problems i'm facing now:
1.
It logs every hour as expected. But the name of the file
where hour indicated differently than the contents being log.
eg. filename is mylog.log.2008-04-20-13 indicate 1pm.
but the contents inside logs 2pm onwards.

2.
Log4j normally rollover and copy a new past hour to a new file. Leaving the
default mylog.log as the current logging data before rollover and copy to
another file (that is, currently logging 2pm onwards). But i saw it
logging both files at the same time in mylog.log and
mylog.log.2008-04-20-13. The file mylog.log logging 2pm onwards which is
correct but it still log 2pm onwards /append the same information to
mylog.log.2008-04-20-13.

i suspect it might be something to do with concurrency/thread issue while
logging the file.

+has anyone ever come across any of this?
+did i not do correctly on the log settings?
+can DailyRollingFileAppender actually handle this rollover issue?

please, this is rather headache to me and anyone would be kind enough to
give me a pointer to overcome this. Thanks.

Wesley

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Re: problem in showing Filename and Line number in log file

2008-05-16 Thread James A. N. Stauffer

The class files probably aren't compiled with debug info turn on.

On Mon, Apr 28, 2008 at 5:05 AM, Chanchal Verma
[EMAIL PROTECTED] wrote:


 Hi.
 I am using Log4j ver 1.2.8
 here sometime I get question mark instead of file name and line number
 see below for details


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Re: Reading log4j properties dynamically from log4j API

2008-05-16 Thread James A. N. Stauffer

You might want to check how LogWeb does it.

On Tue, Apr 29, 2008 at 11:41 AM, smpub2000 [EMAIL PROTECTED] wrote:

 I have an ear file that has log4j.properties conf file. I want to get all the
 log4j loggers (i.e categories) defined in the properties file. How can I get
 this through the log4j api?

 Example log4j.properties:


 src packages:
 log4j.category.com.foo=debug
 log4j.category.com.foo.bar=error

 I want to get the keys com.foo and com.foo.bar.  I want to use these
 later as arguments to Logger.getLogger(method) and call
 setLevel(targetLevel) on it. If I call LogManager.getCurrentLoggers(), it
 only retrieves the Logger instances created by Classes, but not the
 package level loggers that are defined in the log4j.properties file.

 Thanks,
 SM.

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Re: How to log to a dynamic folder

2008-04-17 Thread James A. N. Stauffer

This will achieve that:
http://stauffer.james.googlepages.com/DateFormatFileAppender.java

On Thu, Apr 17, 2008 at 1:50 PM, Hei Chan [EMAIL PROTECTED] wrote:
 Hi,

  I am like to log4j.
  I just wonder whether it is possible to log a different file in a different 
 directory based on the hour, day, month, and year.
  WhatI am trying to achieve is to log to a file at [some 
 path]/[currentyear]/[current month]/[current day], and the file name will be 
 thecurrent hour.
  I have looked into DailyRollingFileAppender.  Itallows me to append the time 
 to the filename.  But it is not exactlywhat I want.
  Is there a way to configure log4j to log to a file based on the current 
 year, month, day and hour?
  Thanks in advance.


  Cheers,
  Hei




   
 
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Re: No appenders could be found for logger (com.sun.faces.config.ConfigureListener). Please initialize the log4j system properly.

2008-04-11 Thread James A. N. Stauffer

I think log4j.properties should be in WEB-INF/classes

On Fri, Apr 11, 2008 at 3:07 AM, Brokenbone [EMAIL PROTECTED] wrote:

  Hi

  I'm trying to configure log4j in my web application (built with Oracle ADF
  (JSF)). I've copied the jar into WEB-INF/lib folder, created
  log4j.properties file and put it to WEB-INF folder and modified
  orion-application.xml by adding

  imported-shared-libraries
 remove-inherited name=apache.commons.logging
 /remove-inherited
  /imported-shared-libraries

  When I deploy this application to Oracle AS and restart opmn I can see the
  log file saying (I've enabled oc4j debug)

  08/04/11 09:10:28 log4j: Trying to find [log4j.xml] using context
  classloader SSNApplication.root:0.0.0.
  08/04/11 09:10:28 log4j: Trying to find [log4j.xml] using api:1.4.0 class
  loader.
  08/04/11 09:10:28 log4j: Trying to find [log4j.xml] using
  ClassLoader.getSystemResource().
  08/04/11 09:10:28 log4j: Trying to find [log4j.properties] using context
  classloader SSNApplication.root:0.0.0.
  08/04/11 09:10:28 log4j: Trying to find [log4j.properties] using api:1.4.0
  class loader.
  08/04/11 09:10:28 log4j: Trying to find [log4j.properties] using
  ClassLoader.getSystemResource().
  08/04/11 09:10:28 log4j: Could not find resource: [null].
  08/04/11 09:10:28 log4j:WARN No appenders could be found for logger
  (com.sun.faces.config.ConfigureListener).
  08/04/11 09:10:28 log4j:WARN Please initialize the log4j system properly.
  08/04/11 09:10:33 Oracle Containers for J2EE 10g (10.1.3.3.0) initialized

  I've even tried modifying boot.xml found in oc4j.jar library by adding
  code-source path=${oracle.home}/lib/log4j-1.2.15.jar/ but the warnings
  are still there.

  My log4j.properties file is picked by the server (as I can see using File
  Monitor) and it looks like this:

  # Set root logger level to DEBUG and its only appender to A1.
  log4j.rootLogger=ERROR, A1, A2

  log4j.logger.my_package_prefix=INFO
  log4j.logger.oracle=WARNING
  # A1 is set to be a ConsoleAppender.
  log4j.appender.A1=org.apache.log4j.ConsoleAppender

  # A1 uses PatternLayout.
  log4j.appender.A1.layout=org.apache.log4j.PatternLayout
  # OLD: %-4r [%t] %-5p %c %x - %m%n
  log4j.appender.A1.layout.ConversionPattern=%-5p %c %x - %m%n

  # A2 is set to be a RollingFileAppender.
  log4j.appender.A2=org.apache.log4j.RollingFileAppender
  log4j.appender.A2.layout=org.apache.log4j.PatternLayout
  log4j.appender.A2.layout.ConversionPattern=%d{dd.MM. HH:mm:ss} [%t]
  (%F:%L) %-5p %c %x - %m%n
  log4j.appender.A2.File=../SSN/log/my_package_prefix.log
  log4j.appender.A2.Threshold=INFO
  log4j.appender.A2.ImmediateFlush=true
  log4j.appender.A2.Append=False
  log4j.appender.A2.MaxFileSize=1KB
  log4j.appender.A2.MaxBackupIndex=5

  I'd appreciate any tips on what I'm doing wrong here since I'm struggling
  with this for a while now.

  Thank you in advance.

  BB
  --
  View this message in context: 
 http://www.nabble.com/No-appenders-could-be-found-for-logger-%28com.sun.faces.config.ConfigureListener%29.-Please-initialize-the-log4j-system-properly.-tp16626789p16626789.html
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Re: Specify Repository

2008-04-10 Thread James A. N. Stauffer

] wrote:
   I've checked the archives and didn't find an answer, but please forgive me
   if this a duplicate post.
  
   I would like to be able to specify a repository for my logger to use.  For
   example:  Logger logger = new Logger(my.class.name, myRepositoryName);
  
   I read Chapter 8, Extending log4j, and it said that subclassing Logger 
 is
   a bad idea.  I don't see a way to accomplish what I want by wrapping 
 Logger.
   So, I think, that the only way to do it would be to tweak a few of the 
 log4j
   classes (i.e. Logger, LogManager, RepositorySelector, and
   DefaultRepositorySelector).  Would anyone be interested in this, or am I
   barking up the wrong tree?  I realize that this could open a can of worms
   with a lot of repositories getting created, but, if we're carful, this 
 could
   be very useful.
  
   Thanks,
  
   Robert Pepersack
   Senior Lead Developer
   Maryland Insurance Administration
   410-468-2054
  
  
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Re: Specify Repository

2008-04-09 Thread James A. N. Stauffer

If you provide the reason for your request we might be able to help better.

On Wed, Apr 9, 2008 at 10:58 AM, Robert Pepersack
[EMAIL PROTECTED] wrote:
 I've checked the archives and didn't find an answer, but please forgive me if 
 this a duplicate post.

  I would like to be able to specify a repository for my logger to use.  For 
 example:  Logger logger = new Logger(my.class.name, myRepositoryName);

  I read Chapter 8, Extending log4j, and it said that subclassing Logger is 
 a bad idea.  I don't see a way to accomplish what I want by wrapping Logger.  
 So, I think, that the only way to do it would be to tweak a few of the log4j 
 classes (i.e. Logger, LogManager, RepositorySelector, and 
 DefaultRepositorySelector).  Would anyone be interested in this, or am I 
 barking up the wrong tree?  I realize that this could open a can of worms 
 with a lot of repositories getting created, but, if we're carful, this could 
 be very useful.

  Thanks,

  Robert Pepersack
  Senior Lead Developer
  Maryland Insurance Administration
  410-468-2054


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Re: how to make a TimeStamp as log4j file name ?

2008-03-31 Thread James A. N. Stauffer

Can you provide an example of what you want?
http://stauffer.james.googlepages.com/DateFormatFileAppender.java
might work.

On Mon, Mar 31, 2008 at 2:05 AM, msg2ajay [EMAIL PROTECTED] wrote:

  hi,
 Can we make a Timestamp as a file name in log4j. I have googled it and i
  tried some ways but not able to do. Do any one know about this.


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Re: multi-user application and concurrent logging

2008-03-28 Thread James A. N. Stauffer

You can have the clients send the logs to the server with a SocketAppender.

On Fri, Mar 28, 2008 at 9:09 AM, çağla okutan [EMAIL PROTECTED] wrote:
 Hi to all;
  Our application has a two-tier architecture in which all application logic
  lies in client. Is it possible to use log4j for producing logs of users'
  actions and to store the log in server without any concurrency problems?
  --
  - cagla okutan -




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Re: DailyRollingFileAppender - force rollover

2008-03-27 Thread James A. N. Stauffer

I think the next version of log4j is supposed to support that but you
would have to write your own appender to get that in the current
version.

On Thu, Mar 27, 2008 at 5:24 AM, Gerrit Grobbelaar [EMAIL PROTECTED] wrote:
 Hi all,

  Is there a config way of telling the appender to rollover not only when there
  is log activity, but also when the time goes from AM to PM (midday) and from
  PM to AM (midnight) automatically without any log activity at those times?

  Any input is greatly appreciated,
  Gerrit

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Re: RollingFileAppender broken

2008-03-27 Thread James A. N. Stauffer

Try using forward slashes and setting debug to true.

On Thu, Mar 27, 2008 at 3:07 PM, Eric Hamacher
[EMAIL PROTECTED] wrote:
 Hello:

  I cannot get my log4j to log to a file. It will log to the console.
  Below is my log4j.xml. Any ideas? Thanks.


  log4j:configuration xmlns:log4j=http://jakarta.apache.org/log4j/;
  debug=false

  appender name=FILE class=org.apache.log4j.RollingFileAppender
  param name=File value=c:\log\A3.log/
  param name=Append value=true/

  layout class=org.apache.log4j.PatternLayout

  param name=ConversionPattern value=%d{dd MMM  HH:mm:ss} -
  [%C.%M] - %p - %m%n/

  /layout
  /appender

  appender name=CONSOLE class=org.apache.log4j.ConsoleAppender
  param name=Target value=System.err/
  param name=Threshold value=DEBUG/

  layout class=org.apache.log4j.PatternLayout
  param name=ConversionPattern value=%d{ABSOLUTE} %-5p [%c{1}] %m%n/
  /layout
  /appender

  category name=com.enetrix.sis
  priority value=DEBUG/
  appender-ref ref=FILE/
  appender-ref ref=CONSOLE/
  /category

  /log4j:configuration



  Regards,

  Eric Hamacher



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Re: log4j directory creation

2008-03-25 Thread James A. N. Stauffer

Log4j appenders don't create directories.  An appender that I ahve
written does create directories or you could create your own appender.

http://stauffer.james.googlepages.com/DateFormatFileAppender.java

On Tue, Mar 25, 2008 at 5:54 AM, Sairam Krishnamurthy
[EMAIL PROTECTED] wrote:

  Hi,

  I tried to use log4j for my application. I am new to log4j and at first I
 created a new application to get familiar with log4j. The following is the
 appender's properties in log4j.property file.

  log4j.appender.A2=org.apache.log4j.FileAppender
  log4j.appender.A2.File=c:/demo1/demo2/app.log
  log4j.appender.A2=org.apache.log4j.RollingFileAppender
  # Append to the end of the file or overwrites the file at start.
  log4j.appender.A2.Append=true
  log4j.appender.A2.layout=org.apache.log4j.PatternLayout
  log4j.appender.A2.layout.ConversionPattern=[%5p] %d{mm:ss}
 (%F:%M:%L)%n%m%n%n

  A2 is the logger appender i use. I dint have demo1/demo2 folder in C:. When
 i used this log4j configuration in my sample application it was a success
 with demo1/demo2 folder created by log4j.

  But when i tried to use the same configuration in my application it gives
 the following error.

  log4j:ERROR setFile(null,true) call failed.
  java.io.FileNotFoundException: test\app.log (The system cannot find the
 path specified)
  at java.io.FileOutputStream.openAppend(Native Method)
  at java.io.FileOutputStream.init(Unknown Source)
  at java.io.FileOutputStream.init(Unknown Source)
  at org.apache.log4j.FileAppender.setFile(FileAppender.java:282)
  at
 org.apache.log4j.RollingFileAppender.setFile(RollingFileAppender.java:165)
  at org.apache.log4j.FileAppender.activateOptions(FileAppender.java:161)
  at org.apache.log4j.config.PropertySetter.activate(PropertySetter.java:256)
  at
 org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:132)
  at
 org.apache.log4j.config.PropertySetter.setProperties(PropertySetter.java:96)
  at org.apache.log4j.PropertyConfigurator

  Also when i changed the filename = app.log with no folder name, the log
 file is creating in my source folder. So the problem was with the creation
 of directory.

  Can somebody help me in this?

  Thanks in advance.


  --
  ==
  Sairam Krishnamurthy
  Engineer-Platform

  Email: [EMAIL PROTECTED]
  Phone: +91-44-45544660
  +91-80-41810800
  +91-9840194528
  +91-9916420081
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Re: Converting Legacy application to use log4j

2008-03-25 Thread James A. N. Stauffer

I think log4j has some support for 3rd party loggers so it can do the
work of determining the calling class but I don't remember the
details.  If Common.status updates the GUI I would level all calls to
it the same.  Then it is up to you to change all calls to Common.debug
to Logger.debug depending on how much work that would be.

On Tue, Mar 25, 2008 at 8:08 AM, Clinton Weiss
[EMAIL PROTECTED] wrote:

  I'm seeking some advice here.  I have a legacy application with it's own
 built in logging system accessed via Common.status(String) and
 Common.debug(String).  The status method is used to update the application
 GUI's status line so the user has some idea of what is going on, it also
 emits the String to System.out.  The debug message just emits the String to
 System.out.

  Now, I'd like to replace this setup with log4j, however, the pitfall is how
 do I still let the user know what is going on?  I believe I have a couple of
 choices here:

  1) Import log4j only in the Common class, and still allow all code to call
 the status() and debug().  When status or debug are called, it will inspect
 the current thread to see which class to pass to the logger and create (or
 use a mapped) logger accordingly.  This would probably be the easiest, but
 not the correct way of doing it.
  2) Replace all Common.status(String) and Common.debug(String) calls with
 logger.info(String) and logger.debug(String).  However, can I create a class
 that will listen for logger.info(String) calls and then can update the GUI's
 status accordingly?  This, I presume, would be the correct way of doing it -
 if it is at all possible.
  3) Of course, you might have a better approach that I haven't thought of
 yet.

  This in-house-only application has a pluggable architecture that accepts
 three different types of Interface classes, which is why there is a single
 place for logging.  When I wrote it three years ago I was still very early
 in Java and hadn't learned of the tools available to me just yet.  Lately,
 I've been planning an overhaul of this application and implementing log4j is
 a high priority.  All existing plugins are kept in a central repository,
 therefore updating them to the new logging mechanism, if necessary, will be
 easy.

  Any ideas?
  Clinton

 --




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  Programming Services
  Phone: 586-752-9671 Ext 143
  Fax: 586-752-6589
  www.custdata.com
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Re: Suppressing stacktrace output

2008-03-24 Thread James A. N. Stauffer

:-))  Sorry about that.  I thought it would still put line breaks
between logs.  Now I see it wasn't a very useful suggestion.

On Fri, Mar 21, 2008 at 8:17 PM, jimski [EMAIL PROTECTED] wrote:



  James A. N. Stauffer wrote:
  
   Try removing the %n and anything else after %m.
  

  Hi James- that approach did work but newlines are critical for making the
  log file readable, particularly on the console.
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Re: Suppressing stacktrace output

2008-03-19 Thread James A. N. Stauffer

I think the layout determines if the stack trace is logged.  How are
you configuring the console appender?

On Wed, Mar 19, 2008 at 9:58 AM, jimski [EMAIL PROTECTED] wrote:

  Hi-

  I've defined two appenders for my application: a console and a file
  appender.  Throughout my code I've been using the convention of logging a
  message along with a throwable so that I could output the stacktrace for
  diagnostic purposes.

  I'd like to suppress the stacktrace output for the console appender but
  can't find any way to do that that allows me to keep all my logging
  statements as is.  I found one unacceptable workaround where, for each
  logged exception I could do the following:

  log.info(Some custom message);
  log.debug(Some custom message, e);

  and then set up appropriate filter levels on each appender.

  Does someone have a solution that would allow me to simply turn off
  stacktrace output for a specific appender?

  Thanks,

  Jim

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Re: Adding a custom variable to Log4j logging calls

2008-03-19 Thread James A. N. Stauffer

Is there a reason why appending the strings doesn't work?  I think you
can use format messages.

On Wed, Mar 19, 2008 at 9:57 AM, dertown [EMAIL PROTECTED] wrote:

  Hi Everyone

  I am newbi with log4j ,  i was wondering if there is any example code on how
  to add a custom variable to a log4j logging call.

  the default is log.log(DEBUG,log message);

  I would like to add another custom variable here to allow for some
  additional information.

  so the new log call will be log.log(DEBUG,log message,more info);

  Thanks
  Derek
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Re: Async appender and database logging

2008-02-20 Thread James A. N. Stauffer

I don't know if the AyscAppender has been fixed in that version.
Can you show how you are configuring the AyscAppender and DBAppender?

On Wed, Feb 20, 2008 at 10:11 AM, Andreas Grund
[EMAIL PROTECTED] wrote:
 Hi,

  I'm sorry, I forget to mention, that I use log4j-1.3-alpha8 in my 
 application.

  Greetings,
  Andreas


  -Ursprüngliche Nachricht-
  Von: James A. N. Stauffer [mailto:[EMAIL PROTECTED]
  Gesendet: Mi 20.02.2008 17:06
  An: Log4J Users List
  Betreff: Re: Async appender and database logging



  Beware that AsyncAppender had bugs and I think you need 1.2.15 to get the 
 fix.

  On Wed, Feb 20, 2008 at 9:40 AM, Andreas Grund [EMAIL PROTECTED] wrote:
   Hi Mailinglist,
  
I tried to log into a oracle database using the existing DBAppender. To
get a little bit more performance and to ensure, that my application is
not block during logging, I wrapped the DBAppender in my configuration
with a Async Appender. But this causes some problems. I got reproducable a
SQLException, that the connection to the database could not be
established. This problem does not occur, if I remove the Async appender.
Does anybody know, if there is a known problem describing this situation?
Or is there a possibility to configure a max number of connections to the
database and that I log to many messages, so that this max number of
connections is excessed?
  
Thanks for your help!
  
Greetings,
Andreas
  
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Re: Async appender and database logging

2008-02-20 Thread James A. N. Stauffer

Beware that AsyncAppender had bugs and I think you need 1.2.15 to get the fix.

On Wed, Feb 20, 2008 at 9:40 AM, Andreas Grund [EMAIL PROTECTED] wrote:
 Hi Mailinglist,

  I tried to log into a oracle database using the existing DBAppender. To
  get a little bit more performance and to ensure, that my application is
  not block during logging, I wrapped the DBAppender in my configuration
  with a Async Appender. But this causes some problems. I got reproducable a
  SQLException, that the connection to the database could not be
  established. This problem does not occur, if I remove the Async appender.
  Does anybody know, if there is a known problem describing this situation?
  Or is there a possibility to configure a max number of connections to the
  database and that I log to many messages, so that this max number of
  connections is excessed?

  Thanks for your help!

  Greetings,
  Andreas

  --
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  externer Mitarbeiter Projet GUTS bei Conti
  mailto:[EMAIL PROTECTED]
  Mobile:




  Germany

  Phone:
  Fax:



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Re: multiple log4j.properties through dependencies?

2008-02-20 Thread James A. N. Stauffer

If the util project is considered a library than it shouldn't do any
config of log4j.
If it can run on its own than options include:
Tweaking the classpath order.
Using xml config because that is used in preference to properties.
Load each project in a different classloader.

On Wed, Feb 20, 2008 at 11:08 AM, CodingPlayer
[EMAIL PROTECTED] wrote:

  Hi,

  i just wonder what happens if one has two projects, one of them depending on
  the other.
  (Lets say: a util project and an application.)

  and both of them use a log4j.properties file (with a different config
  setting, e.g.: log level, console/file, ...)

  i would guess that the file which comes first in the classpath is taken into
  consideration.


  So what is the best approach for such a situation?

  only use ONE log4j.properties file in the (leaf) application project, and
  don't use one in the dependent util project?

  thx 4 help
  R.C.
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Re: Can't figure out how to log to separate files in Log4J -- Need Ideas

2008-02-15 Thread James A. N. Stauffer

There have been discussions on the list of an appender that creates a
different file per value of an MDC key. I think it was in relation to
separate files per thread but you could set the MDC key separately in
each app and then use that appender.

On Fri, Feb 15, 2008 at 7:45 AM, sparky2708 [EMAIL PROTECTED] wrote:

I have a system developed in java that has multiple services (i.e. java
Applications). I would like to be able to log EACH application to ITS OWN
log file. I have about 50-80 applications so having a log4j.properties for
each one is not a feasible solution. I would like to use ONE
log4j.properties file for the entire suite of application and use the
DailyRollingFileAppender preferably to roll each of the log files on a
nightly basis so each of the logs doesn't get too big.
I didn't think this would be very complicated when I started thinking
about this but am now stuck trying to figure out how to accomplish this with
log4j. Any ideas?
--
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Re: Roll a Log File on restart of an App run

2008-02-15 Thread James A. N. Stauffer

I wrote an appender that I think could do that.  If the separate
isn't set then it will create a file only once per run.
http://stauffer.james.googlepages.com/DateFormatFileAppender.java

On Fri, Feb 15, 2008 at 10:57 AM, Jim Reilly [EMAIL PROTECTED] wrote:

  Per each restart of an app, I would like to have the ability to have the log 
 files roll (like the RollingFileAppender), so each new run has its own log 
 file run.  Is there are my to do this via the log4j config file or another 
 file appender?

  I could see how that might be difficult to do or problems that may have, but 
 given a preset of conditions for what an Appender like that would be, I 
 'think' it could work?  ;-)

  Thanks,
  Jim











   
 
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Re: dynamic variables/parameters

2008-02-14 Thread James A. N. Stauffer

In an XML config, system properties can be used like ${catalina.base}.

On Wed, Feb 13, 2008 at 5:23 PM, osubb [EMAIL PROTECTED] wrote:

  I am pretty new to log4j and have a question that should be easy.  I am using
  log4j in a web (java servlets) environment.

  1)  How do I pass in variables?  I have an app that uses the JDBCAppender
  and would like to pass in the connection values.  Is there an easy way to do
  this?  These values could be different for each client that access the
  Servlet(s).  Is there a pattern for this type of scenario?

  At this point, I have to hardcode the URL, user, and password values in the
  log4j.xml file.  I tried using MDC, but this seems to work in the
  ConversionPattern param for log files and the sql param name for the
  JDBCAppender.  It does not work for the URL, user, and password param
  values (does not change to MDC value).

  Any help would be appreciated,
  osubb
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Re: dynamic variables/parameters

2008-02-14 Thread James A. N. Stauffer

It might help if you could provide more details on why you want the
JDBC parameters to vary per connection/thread.

On Thu, Feb 14, 2008 at 10:15 AM, osubb [EMAIL PROTECTED] wrote:

  I don't believe this will work.  The system properties are set once the
  Servlet is started.  I will have different parameters for each new
  connection (thread) of the servlet.  I need a way to alter the values for
  each thread.  I thought of using MDC, but that only worked when using the
  ConversionPatter or using the sql param for JDBCAppender.

  Is there any way to pass in values to log4j for each client connection
  (Servlet thread)??

  thanks,

  osubb





  James A. N. Stauffer wrote:
  
   In an XML config, system properties can be used like ${catalina.base}.
  
   On Wed, Feb 13, 2008 at 5:23 PM, osubb [EMAIL PROTECTED] wrote:
  
I am pretty new to log4j and have a question that should be easy.  I am
   using
log4j in a web (java servlets) environment.
  
1)  How do I pass in variables?  I have an app that uses the
   JDBCAppender
and would like to pass in the connection values.  Is there an easy way
   to do
this?  These values could be different for each client that access the
Servlet(s).  Is there a pattern for this type of scenario?
  
At this point, I have to hardcode the URL, user, and password values in
   the
log4j.xml file.  I tried using MDC, but this seems to work in the
ConversionPattern param for log files and the sql param name for the
JDBCAppender.  It does not work for the URL, user, and password
   param
values (does not change to MDC value).
  
Any help would be appreciated,
osubb
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Re: Help configuring Log4j in a stand-alone app...

2008-02-13 Thread James A. N. Stauffer

If you add -Dlog4j.debug to the command line log4j will print out
info about how it is being configured.
Also, it appears that you haven't attached the appender to any logger.

On Feb 13, 2008 9:01 AM, James Depaul [EMAIL PROTECTED] wrote:



 Hi folks -

 I'm frustrated in trying to control the run-time configuration of Log4j in
 my standalone application.  I have log4j-1.2.13.jar in my classpath.  I
 have a log4j.properties file configured as shown below.  It seems that I
 have no idea where to place the property file in my classpath for log4j to
 find/use it.Right now, it seems that no matter where I put it the
 logging level is always on INFO,   In fact, it's on INFO even if I
 completely delete the log4j.properties file from the project!

 Please help me figure out how to properly control the logging level using
 log4j.properties file - like the one below...  I would liket to set the
 package level control to DEBUG or INFO, etc.   Where do I put it, and how
 do I instruct logging framework to find and use this config file.

 log4j.properties file - currently located in /target/classes directory:
 ---
 ### direct log messages to stdout ###
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.Target=System.out
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
 log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L -
 %m%n

 ### set log levels - for more verbose logging change 'info' to 'debug' ###

 log4j.rootLogger=debug

 ###  debug your specific package or classes with the following example
 log4j.logger.com.ibm.cods.batch.common.processor.email=debug
 ---

 My program has the following statements in it:

 ---
 package com.ibm.cods.batch.common.processor.email;

 import junit.framework.TestCase;

 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.log4j.BasicConfigurator;
 import org.apache.log4j.Logger;


 public class Log4J_TestHarness extends TestCase {

 private static org.apache.log4j.Logger log =
 Logger.getLogger(Log4J_TestHarness.class);

 protected void setUp() throws Exception {
 super.setUp();
 }

 public void testLog4J_Configuration()  {
 log.info(  starting new test case:
 testLog4J_Configuration());
 log.debug(hello from DEBUG!);
 log.info(  end test case:
 testLog4J_Configuration());
 }

 }

 ---






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Re: Help configuring Log4j in a stand-alone app...

2008-02-13 Thread James A. N. Stauffer

I don't use a properties file to config so I'm not 100% sure but that
is a common thing so a little search should turn up the answer.

On Feb 13, 2008 9:43 AM, James Depaul [EMAIL PROTECTED] wrote:
 If you add -Dlog4j.debug to the command line log4j will print out
 info about how it is being configured.

 Right... we're getting closer!   Using your suggestion I was able to find
 the proper place for my file and now I know when it's using it - finally!
 so thanks

 Also, it appears that you haven't attached the appender to any logger. 
 Please give an example how to attach an appender to a logger - I'm getting
 this:

 log4j:WARN No appenders could be found for logger
 (com.ibm.cods.batch.common.processor.email.Log4J_TestHarness).
 log4j:WARN Please initialize the log4j system properly.

 Thanks!
 James



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Re: log4j : How to avoid duplicate logmessages in a multithreaded application?

2008-02-08 Thread James A. N. Stauffer

Then I suggest checking out the log4j debug output to determine
exactly what is configuring it.

On Feb 3, 2008 11:34 PM, Dvrm Chowdary [EMAIL PROTECTED] wrote:

 Hi,
 I tried that, but it didn't work. I tried disabling the console appenders in
 jboss-log4j.xml too, but in vain.
 I see duplicates on the console, but i dont find any in the log files.Only
 the loggers in threads are being duplicated.

 Regards.





 James A. N. Stauffer [EMAIL PROTECTED]

 02/01/2008 09:44 PM




 To Dvrm Chowdary/CHE/[EMAIL PROTECTED]

 cc

 Subject Re: log4j : How to avoid duplicate logmessages in a multithreaded
 application?






 It is possible that the container is causing DOMConfigurator to be
  called multiple times?  Add  debug=true to the log4j:configuration
  XML element and it will print info each time log4j is configured.

  On Feb 1, 2008 3:09 AM, Dvrm Chowdary [EMAIL PROTECTED] wrote:
  
   Hi,
   DOMConfigurator is being called only at the application starup.
I noticed that The number of duplicates of each logger message
   (those inside threads) keeps on increasing if i leave my application
 still.
   I am using many queues configured in the jboss .Has it got to do anything
   with this weird behaviour?
  
   Regards.
  
  
  
James A. N. Stauffer [EMAIL PROTECTED]
  
   01/31/2008 08:44 PM
  
  
   To Dvrm Chowdary/CHE/[EMAIL PROTECTED]
  
   cc
  
   Subject Re: log4j : How to avoid duplicate logmessages in a multithreaded
   application?
  
  
  
  
  
  
   How often is DOMConfigurator called?  Are you sure it is called once
once in the life cycle of the application?
  
On Jan 30, 2008 11:26 PM,  [EMAIL PROTECTED] wrote:
 Hi James,
 Thanks for the reply.I am configuring log4j using a DOMConfigurator as
   shown below. I don't know what exactly the configure method does though.

 DOMConfigurator.configure(prop.getProperty(Log4jConfig));
 Is something wrong with it??
 Also the number of duplicate logger messages I see is constant(around
   8-9) for each logger(only those inside threads). I have 8 appenders in my
   log4j-config.xml too. Are they adding up?

 Regards.


 James A. N. Stauffer wrote:
 
  My guess is that log4j is being configured multiple times.  Each
 time
  log4j is configured, the new configuration is added to the current
  configuration.
 
  How are you configuring log4j?
 
  On Jan 30, 2008 3:00 AM, dvrmc [EMAIL PROTECTED] wrote:
 
  Hi,
  I m using log4j for my heavily multithreaded JAVA application.
 After
   my
  application comes up, a few minutes later , I find many duplicate
   logger
  messages on the console(only logger messages in threads are being
  displayed
  8-9 times each). Is it that my application being multithreaded or
 is
  there
  something wrong with my configuration file?
 
  My log4j-config.xml is as below:-
 
  ?xml version=1.0 encoding=UTF-8?
  !DOCTYPE log4j:configuration SYSTEM log4j.dtd
 
  log4j:configuration xmlns:log4j=http://jakarta.apache.org/log4j/;
   configDebug=true
 
  appender name=ASYNC
 class=org.apache.log4j.AsyncAppender
  additivity=false
  appender-ref ref=TEMP/
  appender-ref ref=CONSOLE/
  appender-ref ref=TRACE/
  appender-ref ref=DEBUG/
  appender-ref ref=INFO/
  appender-ref ref=WARN/
  appender-ref ref=ERROR/
  appender-ref ref=FATAL/
  /appender
 
  appender name=CONSOLE
  class=org.apache.log4j.ConsoleAppender
  !-- param name=ImmediateFlush value=true/--
  layout class=org.apache.log4j.PatternLayout
   !-- param name=ConversionPattern   
 value=%d %-5p [%t] %C %A (%F:%L) - %m%n/--
  /layout
  /appender
 
 
  appender name=TEMP
 class=org.apache.log4j.FileAppender
 
  layout class=org.apache.log4j.PatternLayout
 
  /layout
  /appender
 
  appender name=TRACE
 class=org.apache.log4j.FileAppender
 
 
  layout class=org.apache.log4j.PatternLayout
 
  /layout
  /appender
 
  appender name=DEBUG
 class=org.apache.log4j.FileAppender
 
 
  layout class=org.apache.log4j.PatternLayout
 
  /layout
  /appender
 
  appender name=INFO
 class=org.apache.log4j.FileAppender
 
  layout class=org.apache.log4j.PatternLayout
 
  /layout
 
  filter
   class=org.apache.log4j.varia.LevelMatchFilter
 
  /filter
 
  filter class

Re: Finding which config file was used

2008-02-05 Thread James A. N. Stauffer

Turn on log4j debug output.

On Feb 5, 2008 10:10 AM, Olivier Lefevre [EMAIL PROTECTED] wrote:
 How can one find out, after program initialization, which
 configuration file was read by log4j at startup? Yes, I
 could walk the classpath but there has to be a way to get
 that info from log4j directly.

 Thanks,

 -- O.L.


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Re: logging only one level of messages

2008-02-01 Thread James A. N. Stauffer

With XML config you can use a LevelFilter and put a cap on the level.

On Feb 1, 2008 8:23 PM, Beth Hechanova [EMAIL PROTECTED] wrote:
 I have a log file that I would like only trace messages written to it.
 However when I create my properties file such that the logger specifies
 the trace level, I also get the debug, info, etc. messages in that log
 file.  Is there a way to enforce just trace messages?



 My properties file looks like:



 log4j.category.com.xxx.businesslogic =trace, lcdlog



 log4j.appender.lcdlog=org.apache.log4j.FileAppender

 log4j.appender.lcdlog.File=/data/logs/lcd.log

 log4j.appender.lcdlog.layout=org.apache.log4j.PatternLayout

 log4j.appender.lcdlog.layout.ConversionPattern=[%d{MM/dd/ HH:mm:ss}]
 %-p - %m%n



 And of course I have another appender to handle the other log messages.



 Is it possible to set things up in the properties file to only get the
 trace messages?

 I'm using log4j 1.2.15 on a linux system.



 Thanks,

 Beth





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Re: log4j : How to avoid duplicate logmessages in a multithreaded application?

2008-01-30 Thread James A. N. Stauffer

My guess is that log4j is being configured multiple times.  Each time
log4j is configured, the new configuration is added to the current
configuration.

How are you configuring log4j?

On Jan 30, 2008 3:00 AM, dvrmc [EMAIL PROTECTED] wrote:

 Hi,
 I m using log4j for my heavily multithreaded JAVA application. After my
 application comes up, a few minutes later , I find many duplicate logger
 messages on the console(only logger messages in threads are being displayed
 8-9 times each). Is it that my application being multithreaded or is there
 something wrong with my configuration file?

 My log4j-config.xml is as below:-

 ?xml version=1.0 encoding=UTF-8?
 !DOCTYPE log4j:configuration SYSTEM log4j.dtd

 log4j:configuration xmlns:log4j=http://jakarta.apache.org/log4j/;
  configDebug=true

 appender name=ASYNC class=org.apache.log4j.AsyncAppender
 additivity=false
 appender-ref ref=TEMP/
 appender-ref ref=CONSOLE/
 appender-ref ref=TRACE/
 appender-ref ref=DEBUG/
 appender-ref ref=INFO/
 appender-ref ref=WARN/
 appender-ref ref=ERROR/
 appender-ref ref=FATAL/
 /appender

 appender name=CONSOLE class=org.apache.log4j.ConsoleAppender
 !-- param name=ImmediateFlush value=true/--
 layout class=org.apache.log4j.PatternLayout
  !-- param name=ConversionPattern
 value=%d %-5p [%t] %C %A (%F:%L) - %m%n/--
 /layout
 /appender


 appender name=TEMP class=org.apache.log4j.FileAppender

 layout class=org.apache.log4j.PatternLayout

 /layout
 /appender

 appender name=TRACE class=org.apache.log4j.FileAppender


 layout class=org.apache.log4j.PatternLayout

 /layout
 /appender

 appender name=DEBUG class=org.apache.log4j.FileAppender


 layout class=org.apache.log4j.PatternLayout

 /layout
 /appender

 appender name=INFO class=org.apache.log4j.FileAppender

 layout class=org.apache.log4j.PatternLayout

 /layout

 filter class=org.apache.log4j.varia.LevelMatchFilter

 /filter

 filter class=org.apache.log4j.varia.DenyAllFilter/
 /appender

 appender name=WARN class=org.apache.log4j.FileAppender

 layout class=org.apache.log4j.PatternLayout

 /layout

 filter class=org.apache.log4j.varia.LevelMatchFilter

 /filter
 filter class=org.apache.log4j.varia.DenyAllFilter/
 /appender

 appender name=ERROR class=org.apache.log4j.FileAppender

 layout class=org.apache.log4j.PatternLayout

 /layout

 filter class=org.apache.log4j.varia.LevelMatchFilter

 /filter
 filter class=org.apache.log4j.varia.DenyAllFilter/
 /appender

 appender name=FATAL class=org.apache.log4j.FileAppender

 layout class=org.apache.log4j.PatternLayout

 /layout

 filter class=org.apache.log4j.varia.LevelMatchFilter

 /filter
 filter class=org.apache.log4j.varia.DenyAllFilter/
 /appender

 appender name=SLCS class=org.apache.log4j.FileAppender

 layout class=org.apache.log4j.PatternLayout

 /layout
 /appender

 category name=com.aircell.abs.acpu.softwareloadconfig
 additivity=false
   level value=debug/
 appender-ref ref=SLCS/
   /category

 root
 priority value=info/
 appender-ref ref=ASYNC/
 /root
 /log4j:configuration



 Regards.
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Re: Renaming log file

2008-01-28 Thread James A. N. Stauffer

I'm not sure what you want but RollingFileAppender will make files
like what you want.

On Jan 27, 2008 10:52 PM, anoobthomas [EMAIL PROTECTED] wrote:

 Currently I am using Daily Rolling File Appender to generate log files.

 I want to rename my log file from ABC.log2008-1-27 to ABC.log number
 sequence , like ABC.log1,ABC.log2 and so on.

 Should I create a custom appender or are there any appenders that generate
 this format.
 If I have to create a custom appender please let me know how to do it.
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Re: Using Log4j in an Applet?

2008-01-11 Thread James A. N. Stauffer

Unless signed and given permission, an applet can only communicate to
the server that served the applet class/jar file(s).  Therefore the
SimpleSocketServer will need to run on the webserver that servered the
applet.  You need to configure your applet to send the logs over a
SocketAppender back to the server.

On Jan 11, 2008 4:21 AM, AbelMacAdam [EMAIL PROTECTED] wrote:

 Hi,

 For the Applet I develop I want to log events. I found out I should use
 org.apache.log4j.net.SimpleSocketServer. Am I correct in assuming this
 SimpleSocketServer can run independently from any Server software?

 What I don't know is how I inform my Applet where to send its logging
 information to (or put otherwise, I get the following lines in my Eclipse
 console:
 log4j:WARN No appenders could be found for logger
 (nl.domain.myApp.MyApplet).
 log4j:WARN Please initialize the log4j system properly.

 I made a log4j.properties file, and put it in my WEB-INF/classes directory.
 The contents of this file is:
 log4j.debug=TRUE
 log4j.rootLogger=WARN, R

 log4j.appender.R=org.apache.log4j.RollingFileAppender
 log4j.appender.R.File=D:/workspace/myApp/myApp.log
 log4j.appender.R.MaxFileSize=100KB
 log4j.appender.R.MaxBackupIndex=5
 log4j.appender.R.layout=org.apache.log4j.PatternLayout
 log4j.appender.R.layout.ConversionPattern=%d{HH:mm:ss,SSS} %-5p %c - %m%n

 I use the following command to start the SimpleSocketServer:
 java -cp D:\lib\apache-log4j-1.2.15\log4j-1.2.15.jar
 org.apache.log4j.net.SimpleSocketServer 13013
 d:\workspace\myApp\WEB-INF\classes\log4j.properties

 Stating the obvious, a myApp.log is created in the correct place.



 There seems to fail something in my log4j.properties file. Something like a
 server (localhost:13013)? What do I add to this file?

 TIA
 Abel

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Re: Using Log4j in an Applet?

2008-01-11 Thread James A. N. Stauffer

You would use the address that the browser sees so something like
http://www.{myserver}.com:13013

On Jan 11, 2008 9:23 AM, AbelMacAdam [EMAIL PROTECTED] wrote:

 Thanks for your reply.

 That is what I would like to accomplish, sending logging information to the
 server. Would there be something like
 og4j.appender.R.server=http://localhost:13013
 or
 og4j.appender.R.server=http://www.{myserver}.com:13013
 I could add to my log4j.properties file?

 Abel.



 James A. N. Stauffer wrote:
 
  Unless signed and given permission, an applet can only communicate to
  the server that served the applet class/jar file(s).  Therefore the
  SimpleSocketServer will need to run on the webserver that servered the
  applet.  You need to configure your applet to send the logs over a
  SocketAppender back to the server.
 
  On Jan 11, 2008 4:21 AM, AbelMacAdam [EMAIL PROTECTED] wrote:
 
  Hi,
 
  For the Applet I develop I want to log events. I found out I should use
  org.apache.log4j.net.SimpleSocketServer. Am I correct in assuming this
  SimpleSocketServer can run independently from any Server software?
 
  What I don't know is how I inform my Applet where to send its logging
  information to (or put otherwise, I get the following lines in my Eclipse
  console:
  log4j:WARN No appenders could be found for logger
  (nl.domain.myApp.MyApplet).
  log4j:WARN Please initialize the log4j system properly.
 
  I made a log4j.properties file, and put it in my WEB-INF/classes
  directory.
  The contents of this file is:
  log4j.debug=TRUE
  log4j.rootLogger=WARN, R
 
  log4j.appender.R=org.apache.log4j.RollingFileAppender
  log4j.appender.R.File=D:/workspace/myApp/myApp.log
  log4j.appender.R.MaxFileSize=100KB
  log4j.appender.R.MaxBackupIndex=5
  log4j.appender.R.layout=org.apache.log4j.PatternLayout
  log4j.appender.R.layout.ConversionPattern=%d{HH:mm:ss,SSS} %-5p %c - %m%n
 
  I use the following command to start the SimpleSocketServer:
  java -cp D:\lib\apache-log4j-1.2.15\log4j-1.2.15.jar
  org.apache.log4j.net.SimpleSocketServer 13013
  d:\workspace\myApp\WEB-INF\classes\log4j.properties
 
  Stating the obvious, a myApp.log is created in the correct place.
 
 
 
  There seems to fail something in my log4j.properties file. Something like
  a
  server (localhost:13013)? What do I add to this file?
 
  TIA
  Abel
 
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  Are you good? Take the test at http://www.livingwaters.com/good/
 
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Re: smtp send file oon file appender roll

2007-12-03 Thread James A. N. Stauffer

AFAIK there is nothing that does that but you could extend the appender to
add that feature.

On Dec 2, 2007 4:13 PM, mailing list [EMAIL PROTECTED] wrote:

 HI ,
 is it possible for log4j to email the file before running over it on
 rolling
 over ? i haven't been able to find a way to do it
 thnaks




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Re: Changing logging levels in web app

2007-11-19 Thread James A. N. Stauffer

Searc for LogWeb.

On Nov 19, 2007 4:48 PM, Warren [EMAIL PROTECTED] wrote:

 How do I change logging levels without restarting web server. I am running
 Apache Tomcat.

 Thanks,

 Warren Bell
 Systems Administrator
 Clark's Nutritional Centers
 4225 Market St.
 Riverside, CA 92501
 951-321-1960 ext. 142
 909-645-8864 mobile


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Re: please help. everything logged twice

2007-11-15 Thread James A. N. Stauffer

It appears that something else is sending the data to the console also.
Posting your whole log4j.properties might help us find the problem.

On Nov 14, 2007 9:21 PM, Jim the Standing Bear [EMAIL PROTECTED]
wrote:

 Hi,

 I have been scratching my head trying to figure out why my application
 is logging everything twice.

 Below is the log4j.properties file

 [code]
 log4j.logger.com.mydomain.myapp=TRACE, myconsole

 log4j.appender.myconsole=org.apache.log4j.ConsoleAppender
 log4j.appender.myconsole.Threshold=TRACE
 log4j.appender.myconsole.layout=org.apache.log4j.PatternLayout
 log4j.appender.myconsole.layout.ConversionPattern=%-34d{DATE} [%t]
 %-5p %c %x -%m%n
 [/code]

 But whenever I run it, it would log two lines of everything, one with
 the time, the next one without

 [code]

 14 Nov 2007 22:09:12,558   [main] INFO
 com.mydomain.myapp.util.Util  -Property CONNECTION_POOL_SIZE = 5
 [main] INFO  util.Util  - Property CONNECTION_POOL_SIZE = 5
 14 Nov 2007 22:09:12,558   [main] INFO
 com.mydomain.myapp.util.Util  -Property BROKER_COUNT = 1
 [main] INFO  util.Util  - Property BROKER_COUNT = 1

 [/code]

 However, if I comment out either one of the last two lines in the
 properties file, i.e. either specifying PatternLayout, or specifying
 ConversionPattern, but not both,  it would print only a single line,
 however, the date-time stamp will never be present in such cases.  And
 of course, if the line that specified PatternLayout was commented out,
 it also generated errors.  So I dont understand what I did wrong.
 Please help. Thanks.

 [code]
 log4j:ERROR Could not find value for key log4j.appender.myconsole.layout
 log4j:ERROR No layout set for the appender named [myconsole].

 [main] INFO  util.Util  - Property CONNECTION_POOL_SIZE = 5
 [main] INFO  util.Util  - Property BROKER_COUNT = 1

 [/code]


 -- jim

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Re: please help. everything logged twice

2007-11-15 Thread James A. N. Stauffer

Is anything else configuring log4j also?  Running with -Dlog4j.debug should
help determine that.
I would guess that if you changed your console appender to a file appender
then the file would have the data that you want and the console would have
that data without the dates.

On Nov 15, 2007 9:59 AM, Jim the Standing Bear [EMAIL PROTECTED]
wrote:

 Well, here comes the punch line:  that WAS the entire log4j.properties
 file...  and that is why I have been scratching my head for the past
 several days.

   [code]
   log4j.logger.com.mydomain.myapp=TRACE, myconsole
  
   log4j.appender.myconsole=org.apache.log4j.ConsoleAppender
   log4j.appender.myconsole.Threshold=TRACE
   log4j.appender.myconsole.layout=org.apache.log4j.PatternLayout
   log4j.appender.myconsole.layout.ConversionPattern=%-34d{DATE} [%t]
 %-5p %c %x -%m%n
   [/code]
  


 On Nov 15, 2007 9:58 AM, James A. N. Stauffer [EMAIL PROTECTED]
 wrote:
  It appears that something else is sending the data to the console also.
  Posting your whole log4j.properties might help us find the problem.
 
  On Nov 14, 2007 9:21 PM, Jim the Standing Bear [EMAIL PROTECTED]
  wrote:
 
 
   Hi,
  
   I have been scratching my head trying to figure out why my application
   is logging everything twice.
  
   Below is the log4j.properties file
  
   [code]
   log4j.logger.com.mydomain.myapp=TRACE, myconsole
  
   log4j.appender.myconsole=org.apache.log4j.ConsoleAppender
   log4j.appender.myconsole.Threshold=TRACE
   log4j.appender.myconsole.layout=org.apache.log4j.PatternLayout
   log4j.appender.myconsole.layout.ConversionPattern=%-34d{DATE} [%t]
   %-5p %c %x -%m%n
   [/code]
  
   But whenever I run it, it would log two lines of everything, one with
   the time, the next one without
  
   [code]
  
   14 Nov 2007 22:09:12,558   [main] INFO
   com.mydomain.myapp.util.Util  -Property CONNECTION_POOL_SIZE = 5
   [main] INFO  util.Util  - Property CONNECTION_POOL_SIZE = 5
   14 Nov 2007 22:09:12,558   [main] INFO
   com.mydomain.myapp.util.Util  -Property BROKER_COUNT = 1
   [main] INFO  util.Util  - Property BROKER_COUNT = 1
  
   [/code]
  
   However, if I comment out either one of the last two lines in the
   properties file, i.e. either specifying PatternLayout, or specifying
   ConversionPattern, but not both,  it would print only a single line,
   however, the date-time stamp will never be present in such cases.  And
   of course, if the line that specified PatternLayout was commented out,
   it also generated errors.  So I dont understand what I did wrong.
   Please help. Thanks.
  
   [code]
   log4j:ERROR Could not find value for key
 log4j.appender.myconsole.layout
   log4j:ERROR No layout set for the appender named [myconsole].
  
   [main] INFO  util.Util  - Property CONNECTION_POOL_SIZE = 5
   [main] INFO  util.Util  - Property BROKER_COUNT = 1
  
   [/code]
  
  
   -- jim
  
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Re: How to pick a specific log4j as well its properties file?

2007-11-15 Thread James A. N. Stauffer

Libraries shouldn't include a log4j config file so hopefully few will have
that problem.  You could use a log4j.xml to prevent the use of any
log4j.properties in a lib jar.

On Nov 15, 2007 12:57 PM, Jim the Standing Bear [EMAIL PROTECTED]
wrote:

 Hi all,

 From an earlier problem, I discovered that my application wasn't using
 the log4j.properties I supplied.  In fact, I am not even sure if it
 was using the log4j from log4j-1.2.13.jar that I supplied.

 This is because my app also uses cog-jglobus, which contains its own
 version of log4j.  By turning on the debug option, I discovered that
 the log4j was first looking for XML properties file, which it could
 not find, then it somehow knew there would be a log4j.properties file
 packaged in cog-jglobus-1.4.jar, and it used that instead.  After I
 repackaged cog-jglobus by removing the log4j.properties,  it started
 to use the properties file that came with axis2-0.93.jar.

 So it becomes impractical for me to repackage every single frigging
 jar that comes with its own log4j.properties.  So what is the best way
 to specify the app to use the log4j from log4j-1.2.13.jar, as well as
 my own log4j.properties?

 Currently my code reads a properties file for the application, and one
 property specifies where logj4.properties is.  I would then use that
 property value to supply PropertyConfigurator.configure()  in the
 constructor of the entry class.  It seems that this may not be the
 best way to do so since log4j automatically read other properties file
 prior to this one.

 Thanks.

 -- Jim

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Re: file location - windows vista

2007-11-13 Thread James A. N. Stauffer

With an XML config you can access system properties like ${user.home$
}/logfilename.log

On Nov 12, 2007 2:42 PM, epic winter [EMAIL PROTECTED] wrote:


 I have an application using log4j and in the past I have just specified:
 log4j.appender.file.File=logfilename.log

 This would create the file in the location where the java app was
 launched.  This was in C:\program files\MyApp\logfilename.log

 But windows vista doesn't seem to allow my program to write anywhere in
 c:\program files.  I assume that log file is not being written at all now
 because of these permissions.  Correct?

 I guess my solution is to write the log file to a folder in the user's
 home directory.  Is there a way to auto specify the user's home directory
 without hard coding it?

 thanks
 -ryan

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Re: file location - windows vista

2007-11-13 Thread James A. N. Stauffer

That was a typo on my part.  It should have been ${user.home
}/logfilename.log

On Nov 13, 2007 11:47 AM, Curt Arnold [EMAIL PROTECTED] wrote:


 On Nov 13, 2007, at 9:55 AM, James A. N. Stauffer wrote:

  With an XML config you can access system properties like ${user.home$
  }/logfilename.log
 


 I don't think the trailing $ is necessary and would expect that would
 actually break things, but I'm not sure.  System property
 substitution also works with the property configurator.  See the JDK
 documentation for System.getProperties() (http://java.sun.com/javase/
 6/docs/api/java/lang/System.html#getProperties()) for a list of
 always available system properties.   Using ${java.io.tmpdir} would
 also be an option.


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Re: Advantages of using static log methods vs sub classes methods

2007-11-12 Thread James A. N. Stauffer

A wrapper class (if you use something I suggest that you use something that
is has been well-tested like commons-logging instead of writing your own)
allows you to switch logger implementations but probably prohibits the use
of some functionality.  I would suggest using a wrapper only if you foresee
the need to change logger (i.e. if you are writing a framework and want to
leave the logger choice to someone else).

On Nov 12, 2007 1:46 PM, Integrator [EMAIL PROTECTED] wrote:


 Hi ,

 I am comparing the advantages and disadvantages using log4j at its own vs
 some sub classes (or wrapper classes) with methods for logging messages
 from
 application.


 Which one is better and why ? So far i could understand Utilization of
 wrapper ensures that you are not tied to specific logging solutions.

 Is that it or there is something more ? Please express your views and
 experience on it.

 Thanks,
 Integrator

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Re: LOG4J - Different priority messages to different files

2007-11-05 Thread James A. N. Stauffer

http://logging.apache.org/log4j/1.2/manual.html shows an example for the
logger com.foo:

*log4j.logger.com.foo=WARN*


On 11/5/07, Jimmy Mehta [EMAIL PROTECTED] wrote:


 Hey James,

 Thank you so much for your mail...i get your suggestion but i am still not
 sure how to attach appender to the Job package or user Package or Address
 Package because i know this thing that we can attach appender to the root
 category as per example  log4j.rootCategory= console. but how should i
 attach appender to individual package. Can you please give me sample code
 ,it will be appreciated and clear my self.

 Jimmy

 James A. N. Stauffer wrote:
 
  You shouldn't need to use incorrect levels in your classes.  Just attach
  one
  appender to the Job logger and another appender to the Address and User
  loggers.
 
  On 11/1/07, Jimmy Mehta [EMAIL PROTECTED] wrote:
 
 
  Hey James ,
 
  Thanks for you reply now i find another way that , i have three classes
  Job
  , Address , User. Now i want to put All messages of Job class into
  separate
  file and all Address messages to another file and same as in User. So
 if
  i
  set priority level in Job class like warn so all fatal , error and warn
  messages of Job class goes to one file and no any other class messages
 so
  how can i do it with Properties file??
 
  Can you give me one sample code example so i can understand more
  clearly..
 
  Appreciate ur help
 
  Jimmy Mehta
 
  James A. N. Stauffer wrote:
  
   I find that I want one file for each level and higher.  i.e.
  Warn.loghas
   warn, error, and fatal messages.  That can easily be done by setting
   thresholds on each appender.  If you want only a certain level then
 you
   can
   use a level match filter but that requires XML config.
  
   On 10/31/07, Jimmy Mehta [EMAIL PROTECTED] wrote:
  
  
   Hi,
  
   I am new to the LOG4J and i am trying to learn so i have a question
  that
   if
   i need to put different priority log messages to different log
 files.
   Suppose i want to put all warn messages to one file and all info
  messages
   to
   another file and all error messages to another file. My root
 priority
  is
   Info and I also set different packages to different priority level.
  
   Suppose com.tc.portal.xyz = info so how should i put different
  priority
   messages to different file
  
   Main thing , i want to make only change in log4j.properties file , i
   don't
   want to change java files
  
   Jimmy
   --
   View this message in context:
  
 
 http://www.nabble.com/LOG4J---Different-priority-messages-to-different-files-tf4728211.html#a13519537
   Sent from the Log4j - Users mailing list archive at Nabble.com.
  
  
  
 -
   To unsubscribe, e-mail: [EMAIL PROTECTED]
   For additional commands, e-mail: [EMAIL PROTECTED]
  
  
  
  
   --
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   Are you good? Take the test at http://www.livingwaters.com/good/
  
  
 
  --
  View this message in context:
 
 http://www.nabble.com/LOG4J---Different-priority-messages-to-different-files-tf4728211.html#a13535224
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Re: LOG4J - Different priority messages to different files

2007-11-05 Thread James A. N. Stauffer

I don't use a properties config file but that looks correct to me.

On 11/5/07, Jimmy Mehta [EMAIL PROTECTED] wrote:


 Hey James,

 Thank you so much and i appreciate your help , i ma playing with
 log4j.properties file i didnt touch JAVA file but now i am able to get job
 messages to diffrent file and org to different file but now i a facing
 problem is that i am not able to set priority properly ,if i am setting
 priority on JOB folder = warn but it display info messages also so i am
 not
 able to get only messages that has high priority then warn,

 this is my code
 # Two appenders , one for file and one for Console
 log4j.rootCategory=warn , dest1 , console

 log4j.logger.Job = warn , FileAppenderForJob
 log4j.logger.User = error , FileAppenderForUser
 log4j.logger.Organization = info , FileAppenderForOrganization


 # First Appender writes to the console
 log4j.appender.console = org.apache.log4j.ConsoleAppender
 log4j.appender.console.layout = org.apache.log4j.PatternLayout

 # to display file name and line number
 log4j.appender.console.layout.ConversionPattern = %5p [%t] (%F:%L) - %m%n

 #Second Appender writes to the File
 log4j.appender.dest1 = org.apache.log4j.RollingFileAppender
 log4j.appender.dest1.File = example.log
 log4j.appender.dest1.MaxFileSize = 100KB
 log4j.appender.dest1.MaxBackupIndex = 1
 log4j.appender.dest1.layout = org.apache.log4j.PatternLayout
 log4j.appender.dest1.layout.ConversionPattern= %d %p [%t] (%c) - %m%n

 #Appender writes to the JobFile
 log4j.appender.FileAppenderForJob = org.apache.log4j.RollingFileAppender
 log4j.appender.FileAppenderForJob.File = Job.log
 log4j.appender.FileAppenderForJob.MaxFileSize = 100KB
 log4j.appender.FileAppenderForJob.MaxBackupIndex = 1
 log4j.appender.FileAppenderForJob.layout = org.apache.log4j.PatternLayout
 log4j.appender.FileAppenderForJob.layout.ConversionPattern= %d %p [%t]
 (%c)
 - %m%n

 #Appender writes to the UserFile
 log4j.appender.FileAppenderForUser = org.apache.log4j.RollingFileAppender
 log4j.appender.FileAppenderForUser.File = User.log
 log4j.appender.FileAppenderForUser.MaxFileSize = 100KB
 log4j.appender.FileAppenderForUser.MaxBackupIndex = 1
 log4j.appender.FileAppenderForUser.layout = org.apache.log4j.PatternLayout
 log4j.appender.FileAppenderForUser.layout.ConversionPattern= %d %p [%t]
 (%c)
 - %m%n

 #Appender writes to the OrganizationFile
 log4j.appender.FileAppenderForOrganization =
 org.apache.log4j.RollingFileAppender
 log4j.appender.FileAppenderForOrganization.File = Organization.log
 log4j.appender.FileAppenderForOrganization.MaxFileSize = 100KB
 log4j.appender.FileAppenderForOrganization.MaxBackupIndex = 1
 log4j.appender.FileAppenderForOrganization.layout =
 org.apache.log4j.PatternLayout
 log4j.appender.FileAppenderForOrganization.layout.ConversionPattern= %d %p
 [%t] (%c) - %m%n

 So can you please se and tell me whats the problem?

 Jimmy

 James A. N. Stauffer wrote:
 
  http://logging.apache.org/log4j/1.2/manual.html shows an example for the
  logger com.foo:
 
  *log4j.logger.com.foo=WARN*
 
 
  On 11/5/07, Jimmy Mehta [EMAIL PROTECTED] wrote:
 
 
  Hey James,
 
  Thank you so much for your mail...i get your suggestion but i am still
  not
  sure how to attach appender to the Job package or user Package or
 Address
  Package because i know this thing that we can attach appender to the
 root
  category as per example  log4j.rootCategory= console. but how should i
  attach appender to individual package. Can you please give me sample
 code
  ,it will be appreciated and clear my self.
 
  Jimmy
 
  James A. N. Stauffer wrote:
  
   You shouldn't need to use incorrect levels in your classes.  Just
  attach
   one
   appender to the Job logger and another appender to the Address and
 User
   loggers.
  
   On 11/1/07, Jimmy Mehta [EMAIL PROTECTED] wrote:
  
  
   Hey James ,
  
   Thanks for you reply now i find another way that , i have three
  classes
   Job
   , Address , User. Now i want to put All messages of Job class into
   separate
   file and all Address messages to another file and same as in User.
 So
  if
   i
   set priority level in Job class like warn so all fatal , error and
  warn
   messages of Job class goes to one file and no any other class
 messages
  so
   how can i do it with Properties file??
  
   Can you give me one sample code example so i can understand more
   clearly..
  
   Appreciate ur help
  
   Jimmy Mehta
  
   James A. N. Stauffer wrote:
   
I find that I want one file for each level and higher.  i.e.
   Warn.loghas
warn, error, and fatal messages.  That can easily be done by
 setting
thresholds on each appender.  If you want only a certain level
 then
  you
can
use a level match filter but that requires XML config.
   
On 10/31/07, Jimmy Mehta [EMAIL PROTECTED] wrote:
   
   
Hi,
   
I am new to the LOG4J and i am trying to learn so i have a
 question
   that
if
i need to put different priority log messages to different log

Re: FileAppender location question

2007-11-02 Thread James A. N. Stauffer

The relative path should be from the running working directory so change the
working directory for each program.

On 11/2/07, mbraunwart [EMAIL PROTECTED] wrote:


 When I started a couple tutorials for Log4J in eclipse, it would store the
 file inside of the folder i specified in the root of the project folder
 without having to give it a full path.

 This current project that I am working with, taking pretty much the same
 xml
 and idea from the tutorials, I am having a problem to where it wants to
 store my logs in the eclipse program folder, as opposed to the project
 root
 folder.

 I have 3 projects set up, one really has nothing to do with the other 2,
 the
 main project where i am gathering my logs is a controller core, and the
 front end is another project that is a j2ee interface which uses the jar
 from the core project.

 Right now I have to feed it an exact path name to where I want the logs
 stored, I'd like to figure out the best way to have it store in a
 logs/activity.log from the root of the core project.

 I've tried searching for answers to this but I seem to not either be using
 the right search criteria, or the answer is out there or I'm overlooking
 it.
 I have a feeling it might be a simple answer and I'm overlooking it, but
 any
 help would be greatly appreciated.

 Thank you


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Re: FileAppender location question

2007-11-02 Thread James A. N. Stauffer

Eclipse should let you set the working directory for when you run the
program.  I don't use it so I don't know exactly how to do it.

On 11/2/07, mbraunwart [EMAIL PROTECTED] wrote:


 I'm sorry, I don't know where I can set this at in the application, or
 maybe
 I might not have been clear.  The problem that seems to be the case is
 that,
 I imported the project into eclipse, but not in my workspace, it stores
 the
 logs, without a definite path set, to where eclipse is running from, i.e.
 C:\eclipse, even though that is not my workspace.  So I'm not sure where I
 need to fix this.



 James A. N. Stauffer wrote:
 
  The relative path should be from the running working directory so change
  the
  working directory for each program.
 
  On 11/2/07, mbraunwart [EMAIL PROTECTED] wrote:
 
 
  When I started a couple tutorials for Log4J in eclipse, it would store
  the
  file inside of the folder i specified in the root of the project folder
  without having to give it a full path.
 
  This current project that I am working with, taking pretty much the
 same
  xml
  and idea from the tutorials, I am having a problem to where it wants to
  store my logs in the eclipse program folder, as opposed to the project
  root
  folder.
 
  I have 3 projects set up, one really has nothing to do with the other
 2,
  the
  main project where i am gathering my logs is a controller core, and the
  front end is another project that is a j2ee interface which uses the
 jar
  from the core project.
 
  Right now I have to feed it an exact path name to where I want the logs
  stored, I'd like to figure out the best way to have it store in a
  logs/activity.log from the root of the core project.
 
  I've tried searching for answers to this but I seem to not either be
  using
  the right search criteria, or the answer is out there or I'm
 overlooking
  it.
  I have a feeling it might be a simple answer and I'm overlooking it,
 but
  any
  help would be greatly appreciated.
 
  Thank you
 
 
  --
  View this message in context:
 
 http://www.nabble.com/FileAppender-location-question-tf4738706.html#a13551552
  Sent from the Log4j - Users mailing list archive at Nabble.com.
 
 
  -
  To unsubscribe, e-mail: [EMAIL PROTECTED]
  For additional commands, e-mail: [EMAIL PROTECTED]
 
 
 
 
  --
  James A. N. Staufferhttp://www.geocities.com/stauffer_james/
  Are you good? Take the test at http://www.livingwaters.com/good/
 
 

 --
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Re: LOG4J - Different priority messages to different files

2007-11-01 Thread James A. N. Stauffer

You shouldn't need to use incorrect levels in your classes.  Just attach one
appender to the Job logger and another appender to the Address and User
loggers.

On 11/1/07, Jimmy Mehta [EMAIL PROTECTED] wrote:


 Hey James ,

 Thanks for you reply now i find another way that , i have three classes
 Job
 , Address , User. Now i want to put All messages of Job class into
 separate
 file and all Address messages to another file and same as in User. So if i
 set priority level in Job class like warn so all fatal , error and warn
 messages of Job class goes to one file and no any other class messages so
 how can i do it with Properties file??

 Can you give me one sample code example so i can understand more clearly..

 Appreciate ur help

 Jimmy Mehta

 James A. N. Stauffer wrote:
 
  I find that I want one file for each level and higher.  i.e. Warn.loghas
  warn, error, and fatal messages.  That can easily be done by setting
  thresholds on each appender.  If you want only a certain level then you
  can
  use a level match filter but that requires XML config.
 
  On 10/31/07, Jimmy Mehta [EMAIL PROTECTED] wrote:
 
 
  Hi,
 
  I am new to the LOG4J and i am trying to learn so i have a question
 that
  if
  i need to put different priority log messages to different log files.
  Suppose i want to put all warn messages to one file and all info
 messages
  to
  another file and all error messages to another file. My root priority
 is
  Info and I also set different packages to different priority level.
 
  Suppose com.tc.portal.xyz = info so how should i put different priority
  messages to different file
 
  Main thing , i want to make only change in log4j.properties file , i
  don't
  want to change java files
 
  Jimmy
  --
  View this message in context:
 
 http://www.nabble.com/LOG4J---Different-priority-messages-to-different-files-tf4728211.html#a13519537
  Sent from the Log4j - Users mailing list archive at Nabble.com.
 
 
  -
  To unsubscribe, e-mail: [EMAIL PROTECTED]
  For additional commands, e-mail: [EMAIL PROTECTED]
 
 
 
 
  --
  James A. N. Staufferhttp://www.geocities.com/stauffer_james/
  Are you good? Take the test at http://www.livingwaters.com/good/
 
 

 --
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Re: Doubt

2007-10-31 Thread James A. N. Stauffer

Per the javadocs there is not a conversion pattern for HTML layout.
http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/HTMLLayout.html

On 10/31/07, ratnesh gupta [EMAIL PROTECTED] wrote:

 Hi *.*,

 Is there a way to specify in the configuration file a
 ConversionPattern for HTMLLayout?

 If I use this,
 log4j.appender.file=org.apache.log4j.FileAppender
 log4j.appender.file.File=log4j.html
 log4j.priority.file=DEBUG
 log4j.appender.file.layout=org.apache.log4j.HTMLLayout
 log4j.appender.file.layout.ConversionPattern=%-5p %c - %m%n

 It throws,
 log4j:WARN No such property [conversionPattern] in
 org.apache.log4j.HTMLLayout.
 Is there any work around to this?


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Re: LOG4J - Different priority messages to different files

2007-10-31 Thread James A. N. Stauffer

I find that I want one file for each level and higher.  i.e. Warn.log has
warn, error, and fatal messages.  That can easily be done by setting
thresholds on each appender.  If you want only a certain level then you can
use a level match filter but that requires XML config.

On 10/31/07, Jimmy Mehta [EMAIL PROTECTED] wrote:


 Hi,

 I am new to the LOG4J and i am trying to learn so i have a question that
 if
 i need to put different priority log messages to different log files.
 Suppose i want to put all warn messages to one file and all info messages
 to
 another file and all error messages to another file. My root priority is
 Info and I also set different packages to different priority level.

 Suppose com.tc.portal.xyz = info so how should i put different priority
 messages to different file

 Main thing , i want to make only change in log4j.properties file , i don't
 want to change java files

 Jimmy
 --
 View this message in context:
 http://www.nabble.com/LOG4J---Different-priority-messages-to-different-files-tf4728211.html#a13519537
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Re: Alternative Logger naming strategies?

2007-10-30 Thread James A. N. Stauffer

Some people prepend a catagory to the logger name (i.e.
security.com.package.class).

On 10/30/07, Paul Duffy [EMAIL PROTECTED] wrote:

 Hi,

 Wrestling with some product requirements.

 My app will be deployed to a JEE container, which is using the typical
 class based Logger naming convention.

 The beans deployed to the container need finer grained control of the
 logging event generation.  Compile time setting of DEBUG, WARN, INFO,
 etc. level is not adequate. There is a desire to provide explicit,
 individual on/off control of all logging events.

 Wondering what common Logger naming strategies are used (versus class
 based naming).

 Cheers


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Re: log4j does not display thread number in Sun App. Server 8

2007-10-25 Thread James A. N. Stauffer

%t probably calls Thread.toString() so it wouldn't have any impact on
the thread number being included.  It should still include the thread
name.

On 10/24/07, anurak [EMAIL PROTECTED] wrote:

 hi,

I already used %t, but thread number does not display in log file. Any
 help please.

 thanks in advance,
 anurak
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Re: log4j file name and line number

2007-10-25 Thread James A. N. Stauffer

If you wrap calls to log4j, you need to make a special call so it will
get that info correctly.  I don't know off hand what that call is.

On 10/25/07, orko [EMAIL PROTECTED] wrote:
   Hi every one,
 I am trying to replace my current logging system into log4j. There is a 
 logging object (logging.java) which acts as a layer between logging system 
 and my application, so that other developers don't have to worry about this 
 change. So when a log method (debug, or trace) is called, it gets initialized 
 from this layer.

 I have been trying to understand how the file name and line number (%f, %l) 
 works.
 I can see the pattern in appender objects. But can't find how these (filename 
 and linenumber) are getting initialized. It always gives me logging.java as 
 file name instead of the file name where it was first called. Does any one 
 have any idea how it is really working?


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Re: Getting log4j.properties out of WEB-INF/classes

2007-10-24 Thread James A. N. Stauffer

Options (roughly decreasing recommendations):
1. Move to a share location like tomcat/common/classes
2. Set a system property to give the path to log4j.properties (I
forgot the name)
3. Explicitly call configure.

On 10/24/07, Troy Davis [EMAIL PROTECTED] wrote:
 Hello,

 I've been trying to get log4j to load my properties file from
 somewhere other than WEB-INF/classes, mostly because eclipse clears
 out this directory when I choose Project - Clean. I've tried a few
 different approaches that I found online, including this:

 (inside web-app block of web.xml):

 servlet
servlet-namelog4j-init/servlet-name
servlet-classcom.m4.Log4jInit/servlet-class
init-param
  param-namelog4j-init-file/param-name
  param-valueWEB-INF/log4j.properties/param-value
/init-param
load-on-startup1/load-on-startup
 /servlet


 (full text of Log4jInit.java, compiled and included in a jar in WEB-
 INF/lib):

 package com.m4;
 import org.apache.log4j.PropertyConfigurator;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.PrintWriter;
 import java.io.IOException;
 public class Log4jInit extends HttpServlet {
private static final long serialVersionUID = -5104057715092254401L;
public void init() {
  String prefix =  getServletContext().getRealPath(/);
  String file = getInitParameter(log4j-init-file);
  System.out.println(Initializing log4j with  + prefix + file);
  // if the log4j-init-file is not set, then no point in trying
  if(file != null) {
PropertyConfigurator.configure(prefix+file);
  }
}
public void doGet(HttpServletRequest req, HttpServletResponse res) {
  // Nothing happening here yet.
}
 }

 I can see the debug line go by when init() is called in Log4jInit,
 but I still get an error saying that log4j is not configured properly.

 What is the recommended way to load this file from some other location?

 Thank You,
 Troy

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Re: Suppressing passwords in the log files?

2007-10-15 Thread James A. N. Stauffer

You could use a filter to surpress the message any message that has
password in it.

On 10/15/07, John Smith [EMAIL PROTECTED] wrote:
 Hi,
 Is there any way to suppress passwords' display in the log files?
 I am concerned that log files will be accessible to various users on
 the server, disclosing the application passwords to them.

 Is there some way to filter the passwords before they are committed to
 the log file?

 Thanks,
 John


 (2007-10-12 02:02:23,451) 1140750 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:259  -password =
 TESTPASSWORD

 (2007-10-12 02:02:23,452) 1140751 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:259  -Submit = Go

 (2007-10-12 02:02:23,452) 1140751 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:259  -redirectURL
 =

 (2007-10-12 02:02:23,453) 1140752 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:259  -username =
 TESTUSERNAME

 (2007-10-12 02:02:23,455) 1140754 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.catalina.core.ApplicationDispatcher:185  -
 servletPath=/auth/loginMessage.jsp, pathInfo=null, queryString=null,
 name=null

 (2007-10-12 02:02:23,456) 1140755 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.catalina.core.ApplicationDispatcher:562  -  Path Based
 Include

 (2007-10-12 02:02:23,457) 1140756 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:249  - JspEngine --
 /auth/loginMessage.jsp

 (2007-10-12 02:02:23,458) 1140757 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:250  -ServletPath:
 /auth/loginWarning.jsp

 (2007-10-12 02:02:23,458) 1140757 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:251  -   PathInfo:
 null

 (2007-10-12 02:02:23,459) 1140758 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:252  -   RealPath:
 /opt/jboss-4.2.0.GA/server/storeapp/./deploy/jboss-storeapp.ear/jboss-storeapp.war/auth/loginMessage.jsp

 (2007-10-12 02:02:23,460) 1140759 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:253  - RequestURI:
 /admin/auth/loginWarning.jsp

 (2007-10-12 02:02:23,461) 1140760 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:254  -QueryString:
 null

 (2007-10-12 02:02:23,461) 1140760 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:255  - Request Params:

 (2007-10-12 02:02:23,462) 1140761 [ajp-0.0.0.0-8100-14] DEBUG
 org.apache.jasper.servlet.JspServlet:259  -password =
 TESTPASSWORD

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Re: Create multiple appenders objects

2007-10-11 Thread James A. N. Stauffer

When creating appenders programatically you need to do something like
calling activateOptions().  You will probably find that using a config
file works much better.

On 10/11/07, Julio S. G. [EMAIL PROTECTED] wrote:
 Hi,

 I'm trying to create several appenders and unfortunately it's not working.
 To create the objects I'm using something like new
 DailyRollingFileAppender() with corrects parameters. Then I create the
 Logger using the appender name.
 Finally, when I use the Logger object to write, it doesn't work.
 I'll put the code here and if anyone could help me I really appreciate.

 Layout layout1 = new PatternLayout(%m%n);
 Layout layout2 = new PatternLayout(%m%n);
 DailyRollingFileAppender app1 = new
 DailyRollingFileAppender(layout1, /file1.log, '.'MMddHH);
 DailyRollingFileAppender app2 = new
 DailyRollingFileAppender(layout2, /file2.log, '.'MMddHH);
 app1.setThreshold(Level.DEBUG);
 app2.setThreshold(Level.DEBUG);
 app1.setName(APPENDER1);
 app2.setName(APPENDER2);
 Logger logger1 = Logger.getLogger(app1.getName());
 Logger logger2 = Logger.getLogger(app2.getName());
 logger1.info(TEST 1!!!);
 logger2.info(TEST 2!!!);


 Thanks,

 Julio

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Re: Location of Log4J file in web application

2007-10-04 Thread James A. N. Stauffer

If you set a system property it can be used in your log4j.xml.
param name=File value=${log4jXmlFilter}/

You your machine run java with -Dlog4jXmlFilter=C:/Documents and
Settings/Kulkara/My
 Documents/ashish/code/workspace5.1M/version6300build12-00/log4jXmlFilter.log

On 10/4/07, Ashish Kulkarni [EMAIL PROTECTED] wrote:
 Hi
 How do we set the log file location dyanamically in web application,
 Currently i am using log4j.xml file with following definiation, this file is
 under WEB-INF file
 appender name=A2 class= org.apache.log4j.DailyRollingFileAppender
 param name=File
 value=C:\\Documents and Settings\\Kulkara\\My
 Documents\\ashish\\code\\workspace5.1M\\version6300build12-00\\log4jXmlFilter.log
 /
 ... /appender
 and in load the this xml file in Servlet using
 String fileName = config.getInitParameter(log4j.xml);
 ServletContext oCtx = config.getServletContext();
 URL path = oCtx.getResource (fileName);
 DOMConfigurator.configure(path);

 But if i have to install this on unix, i have to change the path, also the
 server on which i will install this may not have the folder, so i will have
 to recreate a war file
 So is there a dynamic way of telling log4j the location and name of log
 file? which can work on any system.
 i would prefer the log file to be under the same folder application is
 installed

 Ashish



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Re: Location of Log4J file in web application

2007-10-04 Thread James A. N. Stauffer

I use Tomcat and I can set system properties.  I would be very
surprise if you can't set system properties on WebLogic.  This might
not work if you aren't given the rights to set system properties.

On 10/4/07, Ashish Kulkarni [EMAIL PROTECTED] wrote:
 Hi
 But will this work in web application also, for example i am installing
 software on web logic, or websphere, will this work

 Ashis
 On 10/4/07, James A. N. Stauffer [EMAIL PROTECTED] wrote:
 
  If you set a system property it can be used in your log4j.xml.
  param name=File value=${log4jXmlFilter}/
 
  You your machine run java with -Dlog4jXmlFilter=C:/Documents and
  Settings/Kulkara/My
 
  Documents/ashish/code/workspace5.1M/version6300build12-00/log4jXmlFilter.log
 
  On 10/4/07, Ashish Kulkarni [EMAIL PROTECTED] wrote:
   Hi
   How do we set the log file location dyanamically in web application,
   Currently i am using log4j.xml file with following definiation, this
  file is
   under WEB-INF file
   appender name=A2 class= org.apache.log4j.DailyRollingFileAppender
   param name=File
   value=C:\\Documents and Settings\\Kulkara\\My
  
  Documents\\ashish\\code\\workspace5.1M\\version6300build12-00\\log4jXmlFilter.log
   /
   ... /appender
   and in load the this xml file in Servlet using
   String fileName = config.getInitParameter(log4j.xml);
   ServletContext oCtx = config.getServletContext();
   URL path = oCtx.getResource (fileName);
   DOMConfigurator.configure(path);
  
   But if i have to install this on unix, i have to change the path, also
  the
   server on which i will install this may not have the folder, so i will
  have
   to recreate a war file
   So is there a dynamic way of telling log4j the location and name of log
   file? which can work on any system.
   i would prefer the log file to be under the same folder application is
   installed
  
   Ashish
  
 
 
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  Are you good? Take the test at http://www.livingwaters.com/good/
 
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Re: Log4j deadlock

Does this provide any clues?  Do you have suggestions on what I should do?

Java stack information for the threads listed above:
===
ConnectorThread jdbc:weblogic:mssqlserver4:[EMAIL PROTECTED]:1433:
 at org.apache.log4j.Category.callAppenders(Category.java:185)
 - waiting to lock 0xa63067d0 (a org.apache.log4j.spi.RootCategory)
 at org.apache.log4j.Category.forcedLog(Category.java:372)
 at org.apache.log4j.Category.info(Category.java:674)
 at sps.webec.sql.ConnectionBroker.connect(ConnectionBroker.java:260)
 at sps.webec.sql.ConnectionBroker.createFree(ConnectionBroker.java:232)
 - locked 0xa6305750 (a sps.webec.sql.ConnectionBroker)
 at sps.webec.sql.ConnectionBroker.access$200(ConnectionBroker.java:23)
 at 
sps.webec.sql.ConnectionBroker$ConnectorThread.run(ConnectionBroker.java:346)
main:
 at 
sps.webec.sql.ConnectionBroker.getConnectionAttributes(ConnectionBroker.java:62)
 - waiting to lock 0xa6305750 (a sps.webec.sql.ConnectionBroker)
 at 
sps.webec.sql.DatabaseManager.getConnectionAttributes(DatabaseManager.java:490)
 at sps.webec.sql.DatabaseManager.executeInsert(DatabaseManager.java:227)
 at sps.webec.sql.DatabaseManager.execute(DatabaseManager.java:64)
 at sps.webec.server.util.DBAppender.append(DBAppender.java:65)
 at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221)
 - locked 0xa618b640 (a sps.webec.server.util.DBAppender)
 at 
org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:57)
 at org.apache.log4j.Category.callAppenders(Category.java:187)
 - locked 0xa63067d0 (a org.apache.log4j.spi.RootCategory)
 at org.apache.log4j.Category.forcedLog(Category.java:372)
 at org.apache.log4j.Category.error(Category.java:303)
 at sps.webec.server.util.Log.LogException(Log.java:124)
 at sps.webec.engine.Logger.logException(Logger.java:155)
 at sps.webec.engine.FEDSException.logException(FEDSException.java:197)
 at sps.webec.engine.Engine.createExceptionLog(Engine.java:637)
 at sps.webec.engine.Engine.handleFEDSException(Engine.java:679)
 at sps.webec.engine.Engine.receive(Engine.java:990)
 at sps.webec.engine.Engine.processReceive(Engine.java:409)
 at sps.webec.engine.Engine.processArguments(Engine.java:247)
 at sps.webec.engine.Engine.start(Engine.java:143)
 at sps.webec.engine.Engine.main(Engine.java:76)


On 9/21/07, Curt Arnold [EMAIL PROTECTED] wrote:

 On Sep 21, 2007, at 3:18 PM, James A. N. Stauffer wrote:

  We don't redirect System.out or System.err.  Both stack traces showed
  that both threads were calling logger.debug or logger.info.

 Calling stacks would be very helpful to try to analyze the problem.
 The most obvious way to get a deadlock where one of the monitors is
 RootLogger or RootCategory would be when a log request is made
 (possibly indirectly) in the course of processing a log request.

  On Sep 21, 2007, at 10:18 AM, James A. N. Stauffer wrote:
 
 
  After years of using log4j I also encountered this.  Is it a freak,
  rare occurance or is there a cause that can be addressed?

 Finer grain and provably safe concurrency is the primary design
 objective for log4j 2.0 and can not be achieved without significant
 implementation and API changes (hence why it has to be part of log4j
 2.0 and not a 1.x).  The internals of log4j 1.x are not thread-safe
 but depend on coarse-grained locks to prevent more than more one log
 request to be processed at a time.  The coarse grained locks
 significantly impact performance on multi-core machines and leave the
 potential for these types of deadlocks.  Individual problems can be
 analyzed and fixed or worked around, but eliminating all potential
 problems requires a near complete rework.







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Re: Log4j deadlock

Would reducing the number of logs that get to the appender reduce the
chance for this?  What else could be done to reduce the chance of it
happening?

On 9/21/07, Curt Arnold [EMAIL PROTECTED] wrote:

 The most obvious way to get a deadlock where one of the monitors is
 RootLogger or RootCategory would be when a log request is made
 (possibly indirectly) in the course of processing a log request.


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Re: Log4j deadlock

The two threads use different loggers.  If I made the sub-logger point
to the same appender with additivity=false would that prevent the
problem.  It appears that Catagory.callAppenders locks each catagory
up the chain so setting additivity to false should prevent the two
threads from locking the same Catagory objects.  Is that correct?

BTW, I am using 1.2.8.

On 9/24/07, James A. N. Stauffer [EMAIL PROTECTED] wrote:
 Would reducing the number of logs that get to the appender reduce the
 chance for this?  What else could be done to reduce the chance of it
 happening?

 On 9/21/07, Curt Arnold [EMAIL PROTECTED] wrote:
 
  The most obvious way to get a deadlock where one of the monitors is
  RootLogger or RootCategory would be when a log request is made
  (possibly indirectly) in the course of processing a log request.
 

 --
 James A. N. Staufferhttp://www.geocities.com/stauffer_james/
 Are you good? Take the test at http://www.livingwaters.com/good/



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Re: Log4j deadlock