Questions tagged [appender]

An appender is a metaphor for an "output channel" in logging systems.

Commonly used in log4j/log4net and other inspired logging systems, appenders represent output channels such as files, databases or console. A logger can have various appenders associated with it, and every log messages written via this logger will be written to all associated output channels.

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Make a logger to skip the root section in logback

I have several loggers defined and a root section with several appenders, something like:
rpvilao
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Log4j2's FailoverAppender Error: appender Failover has no parameter that matches element Failovers

When I compile my spring 3.2.9 web application using log4j 2.1, this error appears in the console: 2015-02-02 12:08:25,213 ERROR appender Failover has no parameter that matches element Failovers What I understand is that the element "Failovers"…
Deses
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How to output logs to a JTextArea using Log4j2

I have been trying to output logs to a JTextArea for days and still no luck. Basically what I have tried is creating my own custom appender following existing appender like consoleAppender and tried to configure it in log4j2.xml. I feel I am heading…
ANG
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how to use Kafka 0.8 Log4j appender

I am trying to run Kafka-0.8 Log4j appender and I am unable to make it. I want my application to send log directly to kafka via Log4j appender. Here is my log4j.properties. I couldn`t find any proper encoder, so I just configure it to use default…
style95
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Rolling logs by both size and time

I use RollingFileAppender of log4j 1.2.16, which rolls log files, when they reach a certain size. Now I would like to roll log files daily and when they reach a certain size. Thus there will be one or more log files per day. For…
Michael
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Custom NLog Appender

I trying to write custom appender for logging in NLog. I saw some examlpes for log4net where should write appender which is inherit from abstract class AppenderSkeleton. Can anyone name the analog class in NLog?
Mikhail Sokolov
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In memory 'list appender' for log4j

Is there an appender for log4j that only stores a list of the logging events (to be used in unit tests, to verify no error logs were written) ?
ripper234
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log4net MemoryAppender not working

I'm using log4net to log in my app. My FileAppender is working fine, but I'm having problems with MemoryAppender. Here is my config file.
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How to handle null while setting date in log4j2 jdbcappender?

When I set null value in the date column I get "1900-01-01 00:00:00.000" value in my table and I am expecting NULL in that column. As this is handled properly in jdbc if I put like this preparedStatement.setBindParam(Types.TIMESTAMP, 12,…
happy
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LOG4J2 - How to create a File appender programmatically?

I need to set a File appender programmatically. I want to set my appenders on the log4j2.xml BUT I want to write (programmatically) only to one of these appenders at runtime.
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Custom Logback Appender - Prepending file header and making it rollover

The functionality that I need is writing a header line at the beginning of the configured log file. The log file should, in addition, get rolled over based on a time pattern (I'm talking logback 1.0.7). So, I'm thinking of writing an Appender -…
teo
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Logback's Syslog Appender

I've read logback's documentation multiple times on the syslog appender. I am under the impression that a syslog daemon runs on every computer, so I set up the configuration just as they have it in their example. When I run the program no errors…
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with SMTPAppender I receive only ERROR and not INFO type of log items

I've configured an SMTPAppender into my Java app.
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Getting values from Log4Net configuration

I have implement a custom log4net appender by extending the AppenderSkeleton-class. It was as simple as anyone could ask for and works perfectly. My problem is that I had to hardcode a few values and I'd like to remove them from my code to the…
Roland
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Log4j2 getting logging event

I am trying to migrate a small test case (which make sure our logging is working as expected) from log4j-1.6 to log4j- 2.6. What we are doing is passing a map and logging it under Debug level and verifying whether loggingEvent is Debug or not and…
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