RE: Design: How to do the following with Log4j

Timothy Mulle' Wed, 25 Jul 2001 18:13:22 -0700

Yes, I have...if you look at the LoggingEvent.java source, you will see the problem is that the message field that Object is stored is is marked "transient" which means it WILL NOT be serialized and sent across the wire. It looks like only the String representation was meant to be shipped to a remote server and NOT the whole object.

Any reasons why this can't be changed?

- Tim

List:     log4j-user Subject: RE: Design: How to do the following with Log4j
From:     Michael Roytman <[EMAIL PROTECTED]>
Date:     2001-07-25 20:44:18
[Download message RAW]

Tim,

have you looked at SocketAppender class?
It sends serialized log events to a remote socket.

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, July 25, 2001 3:23 PM
> To: LOG4J Users Mailing List
> Subject: RE: Design: How to do the following with Log4j
>
>
>
> Yes I have looked into those..however, it appears that when I
> want to log
> to a remote server, I will be sending the string
> representation down the
> wire, which I'd have to then parse into an object on the log
> server so I
> can access the individual fields. It would be much more
> useful to send the
> object down the wire so we can then work on the message
> object whether it
> was local or remote.
>
> - Tim
>
> ____________________________________________________
> Timothy G. Mullé
> Senior Software Architect
> Reuters Valley Forge Solutions Center
> 1000 Madison Avenue
> Norristown, PA 19403-2432
>
> Phone: (610) 650-8600 x8340
> Fax:      (610) 650-8170
>
>
>
>
>
>                     Robert Bergstrom
>
>
>                     <rbergstrom@isolution        To:
> "'LOG4J Users Mailing List'" <[EMAIL PROTECTED]>
>
>                     scorp.com>                   cc:
>
>
>                                                  Subject:
> RE: Design: How to do the following with Log4j
>
>                     07/25/2001 03:47 PM
>
>
>                     Please respond to
>
>
>                     "LOG4J Users Mailing
>
>
>                     List"
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> Tim:
>
> Have you looked into ObjectRenderer/RenderMap? They allow
> you to control
> how a message is converted to a string. You could map each
> one of your
> custom objects to a different renderer.
>
> Log4j is configurable at runtime. It can watch its
> configuration files or
> be configured programmatically.
>
> The overhead associated with logging is covered in detail here:
> http://jakarta.apache.org/log4j/docs/api/org/apache/log4j/perf
ormance/Logging.html

If your system can handle the load, careful logging shouldn't impact the
system adversely.

HTH,

Robert Bergstrom
Solutions Architect
iSolutions Corp.

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, July 25, 2001 1:09 PM
To: [EMAIL PROTECTED]
Subject: Design: How to do the following with Log4j

1. 3 custom "logevent" objects, one for each type to log: PAGE, TRADE, and
QUOTE

2. Each object shares a set of common fields and then each object has one
or two custom ones

3. We want to log the event to a remote log server from the client side and
not just locally if we choose. From what I've seen from the LoggingEvent,
the actual message is NOT serialized as a whole object, but rather its
string representation.

4. Support for generic logging of text to either the central server or
locally

5. Must handle a high load of requests, we sometimes get 1000+ requests per
second depending on traffic

6. Must be configurable at runtime

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