We recommend to switch the default buffer type to 'heap' by inserting the following code before you start a server: If you prefer direct buffers to heap buffers, JVM might have ran out of direct memory. Please try increasing maximum direct memory size using -XX:MaxDirectMemorySize option (e.g. -XX:MaxDirectMemorySize=128M) Please make sure if you called ByteBuffer.flip() to flip the buffer before writing the buffer out. It is a common mistake NIO beginners make.

Get Guido Carls' <gcarls@cpan.org> Log::Log4perl extension Log::Log4perl::Layout::XMLLayout from CPAN and install it: perl -MCPAN -eshell cpan> install Log::Log4perl::Layout::XMLLayout Install and start Chainsaw, which is part of the log4j distribution now (see http://jakarta.apache.org/log4j ). Create a configuration file like <log4j:configuration debug="true"> <plugin name="XMLSocketReceiver" class="org.apache.log4j.net.

If your logging software allows imports from ADIF (Amateur Data Interchange Format) files, there should be no problem. If it does not manage it, ask the author of YOUR favorite logging software to support it, or use another software.

Because log4j is configured by default to log to a file, you may want to remove it from the implementaton. Doing this is quite simple - modify gov.nist.core.LogWriter.java. You can change its behavior to log to a network connection or remove it entirely and convert to println. The Listener may have blocked while processing a transaction. Do not block in your listener method. If you need to block, start a thread and block in it dont block in the thread that you were called in the listener.

After twenty minutes of inactivity, the forums software will automatically terminate your sesssion. You are considered inactive if you haven't clicked on a link. So, if you are reading a long thread or, more likely, composing a long message, the software will think you are inactive and terminate your login. This is one reason for enabling automatic login in your options, because the software will automatically log you back in, should your session be terminated.

Would you like to tally the messages arriving at your appender and dump out a summary once they're exceeding a certain threshold? So that something like $logger->error("Blah"); $logger->error("Blah"); $logger->error("Blah"); instead? If you'd like to hold off on logging a message until it has been sent a couple of times, you can roll that out by creating a buffered appender.

That's a good question. There's dozens of logging modules on CPAN. When it comes to logging, people typically think: ''Aha. Writing out debug and error messages. Debug is lower than error. Easy. I'm gonna write my own.'' Writing a logging module is like a rite of passage for every Perl programmer, just like writing your own templating system. Of course, after getting the basics right, features need to be added. You'd like to write a timestamp with every message.

Note that like many questions, I'm answering this in a UNIXy context. Fugu supports some sort of message logging, which I will not go into here. Where you would, of course, replace dom.ain and username with your domain and username.

After pulling in the Log::Log4perl module, just initialize its behaviour by passing in a configuration to its init method as a string reference. Then, obtain a logger instance and write out a message with its error() method: use Log::Log4perl qw(get_logger); # Define configuration my $conf = q( log4perl.logger = ERROR, FileApp log4perl.appender.FileApp = Log::Log4perl::Appender::File log4perl.appender.FileApp.filename = test.log log4perl.appender.FileApp.layout = PatternLayout log4perl.appender.

Having several settings for related categories in the Log4perl configuration file sometimes leads to a phenomenon called ''message duplication''. It can be very confusing at first, but if thought through properly, it turns out that Log4perl behaves as advertised. But, don't despair, of course there's a number of ways to avoid message duplication in your logs. Here's a sample Log4perl configuration file that produces the phenomenon: log4perl.logger.Cat = ERROR, Screen log4perl.logger.Cat.

If you define a root logger like this: log4perl.logger = FATAL, File log4perl.appender.File = Log::Log4perl::Appender::File log4perl.appender.File.filename = /tmp/fatal.txt log4perl.appender.File.layout = PatternLayout log4perl.appender.File.layout.ConversionPattern= %d %m %n # !!! Something's missing ..

The K7 web site www.k7.net provides users with a copy of all messages in chronological order for monitoring fax and voice receptions. The information includes the Date, Time, File Size, and the Sender's caller ID (i.e. the Fax/Voice Telephone Number). If there is something wrong with your email service or if you lose or delete a message, you can go to My K7 and view/hear the most recent 20 messages for up to 7 days. A similar tracking service for sent faxes is available to Faxaway subscribers.

Many sites use a cookie to keep track of your settings on their servers, and to help you log in to their site. If you lose your cookie, that site cannot recall your settings for you to use. If this happens to you, the best thing you can do is contact that site's webmaster or customer service department. In section 3.3, we'll see that a server cannot set a cookie for a domain that it isn't a member of. However, almost every Web user has gotten a cookie from "ad.doubleclick.

By default, ReleaseForge logs status messages via the Python logging package to stdout and to the file releaseforge.log. If you wish to disable the logging to either or both of these paths you can edit the included logger.ini file that ships within the ReleaseForge package.

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Although both APIs are conceptually similar, the log4j API is significantly more flexible and offers many more features, too numerous to be listed here. You will discover that the additional features and flexibility turn out to be indispensable in the context of a mission-critical application. The open and collaborative way in which log4j is developped ensures that it continues to preserve and even widen its competitive edge.

Say, you're writing a web application and want all your log messages to include the current client's IP address. Most certainly, you don't want to include it in each and every log message like in $logger->debug( $r->connection->remote_ip, " Retrieving user data from DB" ); do you? Instead, you want to set it in a global data structure and have Log::Log4perl include it automatically via a PatternLayout setting in the configuration file: log4perl.appender.FileApp.layout.

Let's assume you wanted to have each logging statement written to a different file, based on the statement's priority. Messages with priority WARN are supposed to go to /tmp/app.warn, events prioritized as ERROR should end up in /tmp/app.error. Now, if you define two appenders AppWarn and AppError and assign them both to the root logger, messages bubbling up from any loggers below will be logged by both appenders because of Log4perl's message propagation feature.

If a module you're using doesn't use Log::Log4perl but prints logging messages to STDERR instead, like ######################################## package IgnorantModule; ######################################## sub some_method { print STDERR "Parbleu! An error!\n"; } 1; there's still a way to capture these messages and funnel them into Log::Log4perl, even without touching the module.