Hello,
I'd be happy to help. However, I have difficulty following the various
process names. To rephrase, there are 3 processes SP, GP and VP. SP
sends events via SocketAppender to GP and VP. GP also sends events to
VP. Given that GP *resends* the events it receives from SP to VP, the
events generated by SP are duplicated on VP. Does this properly
describe the situation?
You could prevent GP from resending its events by modifying
SimpleSocketServer. BTW, are you using SimpleSocketServer currently?
If so, on the instance of SimpleSocketServer, create a LoggerContext
and configure it to log as you wish but without resending events to
VP.
To configure a LoggerContext see the examples in Chapter 3,
http://logback.qos.ch/manual/joran.html
In particular, under the section "The same with JoranConfigurator".
In short, it's similar to:
LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
try {
JoranConfigurator configurator = new JoranConfigurator();
configurator.setContext(lc);
lc.shutdownAndReset();
configurator.doConfigure(PATH_TO_A_CONFIG_FILE_OF_YOUR_CHOICE);
} catch (JoranException je) {
StatusPrinter.print(lc);
}
I hope I understood the problem correctly. It would also be helpful if
you could describe the code that runs within VP and GP to receive events.
Gibbons, P (Paul) wrote:
Hi
Sorry for putting the phrase 'Any advice?' in the title as of course
that is the point of an e-mail to this list. However my previous attempt
to elicit advice was unsuccessful.
My setup consists of:
serverProcess - generates messages which are sent via SocketAppender to
guiProcess and viewerProcess guiProcess - displays messages received
from serverProcess and also generates messages which it displays and are
sent via SocketAppender to viewerProcess viewerProcess - displays
messages received from guiProcess and serverProcess.
My problem is that messages generateg by serverProcess appear twice on
viewerProcess. One instance comes directly from serverProcess and the
other from guiProcess.
The guiProcess is treated messages from serverProcess as local messages
and so sends them via its SocketAppender to the viewerProcess.
I cannot use filters to prevent the guiProcess SocketAppender resending
the serverProcesses as the message formats are the same from both the
serverProcess and guiProcess.
One option could be to use a different logger context in the guiProcess
handling of messages it receives from serverProcess. I am not sure of
how to create a logger context which is not the default logger context
for the application.
Can anyone suggest how best to prevent the guiProcess from resending the
messages it receives from the serverProcess or any other way of
preventing the duplication of messages appearing on the viewerProcess. I
suppose I could somehow simply drop a message from being processed on
the viewerProcess if it is the same as the previous message; I am not
sure how to do this however.
Thanks
Paul
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