Logging from shared components
Hi all...
I'm a newbie to this list, so apologies up front if this question has been
asked and answered before. Here's a logging scenario that I'd like to
configure, but can't seem to find the magic to do so. Hoping some of you
here might help...
Let's say I have Servlet A and Servlet B deployed in some servlet container.
Each servlet's init() method configures log4j and appends a
RollingFileAppender with its own unique filename. The desire here is that
each servlet is a separate application and therefore has its own "trace"
logfile.
Now, let's say we've got some jar file that has a class named Foo. Foo has
a method called doSomething(). The class might look something like...
public class Foo {
private static Logger logger = Logger.getInstance("my.foo");
public void doSomething() {
logger.debug("You've invoked me!");
}
}
Now, let's say that each servlet's doPost() method creates an instance of
Foo and invokes it's doSomething() method. What I find happening is that a
POST to either servlet results in debug log event thrown from the shared
component being written to both servlet's log file.
How can I configure log4j so that logging events in the shared component
resulting from a POSTs to Servlet A are only written to Servlet A's log
file, and logging events in the shared component resulting from a POSTs to
Servlet B are only written to Servlet B's log file?
Thanks for the help...
Timothy
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Re: Logging from shared components
You can't do this in log4j 1.2 but in future versions.
At 22:48 27.08.2002 -0500, you wrote:
>Hi all...
>
>I'm a newbie to this list, so apologies up front if this question has been
>asked and answered before. Here's a logging scenario that I'd like to
>configure, but can't seem to find the magic to do so. Hoping some of you
>here might help...
>
>Let's say I have Servlet A and Servlet B deployed in some servlet container.
>Each servlet's init() method configures log4j and appends a
>RollingFileAppender with its own unique filename. The desire here is that
>each servlet is a separate application and therefore has its own "trace"
>logfile.
>
>Now, let's say we've got some jar file that has a class named Foo. Foo has
>a method called doSomething(). The class might look something like...
>
>public class Foo {
> private static Logger logger = Logger.getInstance("my.foo");
>
> public void doSomething() {
> logger.debug("You've invoked me!");
> }
>}
>
>
>Now, let's say that each servlet's doPost() method creates an instance of
>Foo and invokes it's doSomething() method. What I find happening is that a
>POST to either servlet results in debug log event thrown from the shared
>component being written to both servlet's log file.
>
>How can I configure log4j so that logging events in the shared component
>resulting from a POSTs to Servlet A are only written to Servlet A's log
>file, and logging events in the shared component resulting from a POSTs to
>Servlet B are only written to Servlet B's log file?
>
>Thanks for the help...
>
>Timothy
>
>
>
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>To unsubscribe, e-mail:
>For additional commands, e-mail:
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Ceki
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Re: Logging from shared components
Ok... fair enough... I'll wait for a future version then...
In the meantime, if I log all servlets to the same log, is there a way I
could write the events from each servlet so that I could filter the log when
I view it to only see events from one specific servlet?
- Original Message -
From: "Ceki Gülcü" <[EMAIL PROTECTED]>
To: "Log4J Users List" <[EMAIL PROTECTED]>
Sent: Wednesday, August 28, 2002 1:44 AM
Subject: Re: Logging from shared components
>
> You can't do this in log4j 1.2 but in future versions.
>
> At 22:48 27.08.2002 -0500, you wrote:
> >Hi all...
> >
> >I'm a newbie to this list, so apologies up front if this question has
been
> >asked and answered before. Here's a logging scenario that I'd like to
> >configure, but can't seem to find the magic to do so. Hoping some of you
> >here might help...
> >
> >Let's say I have Servlet A and Servlet B deployed in some servlet
container.
> >Each servlet's init() method configures log4j and appends a
> >RollingFileAppender with its own unique filename. The desire here is
that
> >each servlet is a separate application and therefore has its own "trace"
> >logfile.
> >
> >Now, let's say we've got some jar file that has a class named Foo. Foo
has
> >a method called doSomething(). The class might look something like...
> >
> >public class Foo {
> > private static Logger logger = Logger.getInstance("my.foo");
> >
> > public void doSomething() {
> > logger.debug("You've invoked me!");
> > }
> >}
> >
> >
> >Now, let's say that each servlet's doPost() method creates an instance of
> >Foo and invokes it's doSomething() method. What I find happening is that
a
> >POST to either servlet results in debug log event thrown from the shared
> >component being written to both servlet's log file.
> >
> >How can I configure log4j so that logging events in the shared component
> >resulting from a POSTs to Servlet A are only written to Servlet A's log
> >file, and logging events in the shared component resulting from a POSTs
to
> >Servlet B are only written to Servlet B's log file?
> >
> >Thanks for the help...
> >
> >Timothy
> >
> >
> >
> >--
> >To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
> >For additional commands, e-mail:
<mailto:[EMAIL PROTECTED]>
>
> --
> Ceki
>
>
> --
> To unsubscribe, e-mail:
<mailto:[EMAIL PROTECTED]>
> For additional commands, e-mail:
<mailto:[EMAIL PROTECTED]>
>
>
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