G'day,
Could you possibly explain as to why this is so?
AB
-Original Message-
From: Ceki Gülcü [mailto:[EMAIL PROTECTED]
Sent: Saturday, 12 June 2004 5:25 AM
To: Log4J Users List
Subject: Re: configureAndWatch
Hello Mike,
It is *not* OK to use configureAndWatch in a web-app.
At 09:
Hi
I have a J2EE application and we use log4j for
logging. We used log4j.properties files and packaged
it in a war under WEB-INF/classes. It all worked fine
under Weblogic, Tomcat etc.
But now when we migrated to JBoss it has its own
log4j.xml file. So our application grabbed it as the
first one
Based on my experience so far with chainsaw, I don't think it's possible to save the
layout of the detail panel. So I have a small request - can the %throwable be
surrounded by ?
It makes it much easier to read, IMHO.
For quick copy-paste if someone (Scott/Paul?) agrees:
Throwable%throwable
As long as you don't mark the logger variable in class X as static, the
solution I suggested earlier should work like a charm.
At 11:10 PM 6/11/2004, you wrote:
Sorry, in an earlier java prototype we had problems with static objects.
There were two applications that use separate loggers. Everythi
Sorry, in an earlier java prototype we had problems with static objects.
There were two applications that use separate loggers. Everything worked
well because they were in their own JVM. When they were combined into one
JVM, the first one to be invoked got the static object and both then wrote
to t
Chainsaw can read log files created using XmlLayout, but it can also
read log files created using PatternLayout.
The JavaDoc of LogFilePatternReceiver provides an example. Using a log
file with this patternLayout:
%d %-5p [%t] %C{2} (%F:%L) - %m%n
Can be processed by Chainsaw using a LogFilePa
At 10:38 PM 6/11/2004, you wrote:
What about static objects in the JVM? Would each
Servlet get their own instance of X or will it get
the static one?
What do you mean by static objects in the JVM
If the Servlet spawned off threads? Then it should
still work because you have not changed the TL.
Does
I have an appender that extends FileAppender. The relevant method is below.
protected void subAppend(LoggingEvent event) {
if(separate) {
try {//First reset the file so each new log gets a new file.
setFile(getFile(), getAppend(), getBufferedIO(),
getBufferSize());
Thanks, I brough up chainsaw and am looking at how to use it.
One quick question from the docs. Does the log file have to be
in xml?
Adam
-Original Message-
From: Scott Deboy [mailto:[EMAIL PROTECTED]
Sent: Friday, June 11, 2004 3:14 PM
To: Log4J Users List
Subject: RE: Separate log fi
What about static objects in the JVM? Would each
Servlet get their own instance of X or will it get
the static one?
If the Servlet spawned off threads? Then it should
still work because you have not changed the TL.
Does that sound right? I was just trying to mentally
think what will happen when s
Ok, I was staring at this idea and wanted to make sure I understood it
correctly.
I know how to set the MDC Value.
So I would write my own appender (or extend on that I wanted to use like
DailyRollingFileAppender). I would overwrite the append() or doAppend()
to set the fileName based on the MDC
Hello Mike,
It is *not* OK to use configureAndWatch in a web-app.
At 09:09 PM 6/11/2004, you wrote:
Is it OK to use configureAndWatch in a Servlet?
Mike
--
Ceki Gülcü
For log4j documentation consider "The complete log4j manual"
ISBN: 2970036908 http://www.qos.ch/shop/products/clm_t.jsp
I think Chainsaw might be able to help here.
I'd suggest setting an MDC on the servlet's entry point (say 'servlet'
key with the value being the servlet class), and then using
patternlayout, set up all of the fields you need to log (including this
newly-added MDC entry). All of the servlets can l
Is it OK to use configureAndWatch in a Servlet?
Mike
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Do you have control over class X? If you do, then you use a ThreadLocal
variable to set the servlet name from inside the servlet and retreive the
name from class X.
Assume the threadlocal variable is called TL.
This is what will happen:
servlet1 sets the TL to "servlet1"
servlet 1 creates an
You could Have each servlet set an MDC value and then write your own
Appender that uses that MDC value in the filename.
James Stauffer
-Original Message-
From: Horry, Adam J [mailto:[EMAIL PROTECTED]
Sent: Friday, June 11, 2004 1:49 PM
To: Log4J Users List
Subject: RE: Separate log file
Unfortunately, I have a Web Architect who wants it this way and it
is my job to make it happen.
My original idea was to output to a log in XML and then create an
XML tool to filter/sort/etc.
I had thought of the stack trace method but that seemed like a
performance hog. I thought about messing
You could set an MDC with the servlet name and then filter the logs.
James Stauffer
-Original Message-
From: Shapira, Yoav [mailto:[EMAIL PROTECTED]
Sent: Friday, June 11, 2004 12:59 PM
To: Log4J Users List
Subject: RE: Separate log file per servlet
Hi,
>1) What is the reason for se
Hi,
>1) What is the reason for setting additivity to false in this scenario
>2) does additivity need to be set to false for each appender in this
>scenario, or only the first?
In my example, I set additivity to false for all the appenders, because
I didn't know what was in the rest of his config
Yoav,
I should know this but may I also ask ...
1) What is the reason for setting additivity to false in this scenario
2) does additivity need to be set to false for each appender in this
scenario, or only the first?
Thanks Yoav!
Mike
-Original Message-
From: Shapira, Yoav [mailto:[EM
I tried that but the delima comes from the shared class.
We want the instance of Class X that ServletY is using to write to the
/tmp/ServletY.log
and the instance of Class X that ServletZ is using to write to the
/tmp/ServletZ.log.
Obviously I have struggled trying to prototype an example that wo
Around 7 but will probably grow.
They all may share common classes but they want the information
from that instance to go into the log of the servlet that called
started.
-Original Message-
From: James Stauffer [mailto:[EMAIL PROTECTED]
Sent: Friday, June 11, 2004 1:21 PM
To: 'Log4J Use
Hi,
Here's one cleaner way, doing nearly everything in the configuration
file:
log4j.properties:
log4j.appender.foo.bar.appender = ...
log4j.logger.foo.bar = foo.bar.appender, DEBUG
log4j.logger.foo.bar.additivity = false
log4j.appender.foo.baz.appender = ...
log4j.logger.foo.baz = foo.baz.
How many servlets do you have?
You could try:
xLog = getLogger(ServletY.getClass().getName());
Then make one appender per servlet.
Are you saying that you want the class X to log to the log of the servlet
that called it?
James Stauffer
-Original Message-
From: Horry, Adam J [mailto:[E
The web server is configured to be one JVM for all the servlets.
Numerous people are developing different classes. We want each
Servlet to write to its own log.
Class X
{
...
xLog = getLogger( "DEBUG" );
...
xLog.info( "message" );
...
}
Class ServletY extends HttpServlet
{
...
For Log4j 1.2.8 running in a Servlet Container, can I safely use
configureAndWatch? My impression is that there are issues with this in EJB
because of the spec, I was wondering if this also holds true for the Servlet
world.
Thanks in advance.
Mike
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