Hi,
Sorry to bother again, but I am a newbie to all this logging and XML as
well.
I must be missing something (or maybe many things) because I can't make it
work yet. Now I am using log4j v1.3-alpha from CVS and I did this sequence:
(Step 1) Activation of log4j's SimpleSocketServer with this command:
java org.apache.log4j.net.SimpleSocketServer 12345 siaclog_server.xml
where file "siaclog_server.xml" is attached bellow and port 12345 is not
being used in my machine. The last messages shown at this point inform:
INFO - Listening on port 12345
INFO - Listening on port 12345
INFO - Waiting to accept a new client
INFO - Waiting to accept a new client
and then it "hangs" waiting for incoming logging events.
(Step 2) Start-up the C++ application linked to log4cxx.dll (version 0.9.7).
This application parses an XML configuration file called
"siaclog_client.xml" (also attached) using DOMConfigurator.
At this point these errors occur at the SimpleSocketServer:
ERROR - Exception opening ObjectInputStream to
Socket[addr=/127.0.0.1,port=4845,localport=12345]
java.io.StreamCorruptedException: invalid stream header
at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
...
Another question:
As will also have Java applications sending logging events to this same
SimpleSocketServer, which king of appender should them use? I could not find
any XMLSocketAppender at log4j.
Best regards
Claudia Miazaki
-----Mensagem original-----
De: Scott Deboy [mailto:[EMAIL PROTECTED]
Enviada em: quarta-feira, 23 de junho de 2004 11:29
Para: Log4J Users List; [EMAIL PROTECTED]
Assunto: RE: Log4j SocketServer with Log4cxx SockeAppender
(requires the latest version of log4j available from CVS):
On the log4j side, use a simplesocketserver, specifying whichever port you
want to receive java events on, and a log4j config file which includes this
receiver plugin definition (or it's properties-style equivalent):
<plugin name="Log4JXMLSocketReceiver"
class="org.apache.log4j.net.XMLSocketReceiver">
<param name="Port" value="4447"/>
</plugin>
You can also configure Chainsaw v2 to use the same receiver and view events
in the UI.
Scott
-----Original Message-----
From: Cláudia Miazaki [mailto:[EMAIL PROTECTED]
Sent: Wednesday, June 23, 2004 5:14 AM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Log4j SocketServer with Log4cxx SockeAppender
Hi,
I'm trying to use log4j's SocketServer.java on a listening port to manage
logging events coming both from Java and C++ applications, using log4j and
log4cxx SocketAppenders, respectively. The SocketServer manages logging
events from my Java applications fine, but when it receives logging events
from the C++ applications it gets the following exception:
java.io.StreamCorruptedException: invalid stream header
at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
...
Is this kind of usage impossible? Log4j's SocketServer can only deal with
logging events from other Java apps?
Thanks for any help!
Best regards,
Claudia Miazaki
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