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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.

336 questions
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Custom logback appender throws

As I have to log into a custom (single) DB table, I wrote a custom logback appender extending the logback DBAppender. I have some Unit Tests which verify that the appender works correct, but as soon, as I whant to configure the appender in my…
Matthias B
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NullpointerException for console appender for Log4j2

My application logging crashes during maven build in the tests. This is the log4j2.xml what I have in the src/test/resources:
victorio
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ch.qos.logback.core.util.DynamicClassLoadingException: Failed to instantiate type ch.qos.logback.classic.net.SMTPAppender

I have the following logback.xml in my spring-boot application: ...
gstackoverflow
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Logback -custom level input in layout pattern

i am using logback for logging and in logback.xml i have Console appender as %d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} -…
lesnar
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log4net: Error on loading custom appender

I extended AppenderSkeleton to create a custom appender called HTTPAppender, but something is up with the reference to it in the xml file. Log4Net is clearly unable to find my custom appender. Is there a way to reference it from the xml file to…
calico-cat
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Grouping Appenders At Logback?

I have two appenders. One of them is DB appender and the other one is SMTPAppender. When I log a string with a special marker I want to use both my custom db appender and SMTPAppender. However I don't want to define two appenders everythime as like…
kamaci
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logback create log files inside folder having name as current date

In my current project i want to create log files date wise i.e. log files should reside inside folder having name as date. Also archiving should happen at that particular folder. Current appender that i am using looks like this (it does archiving of…
jai shukla
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How to set log4j.properties in Eclipse?

I'm trying to run this example, but I have some problems with configuration. I copied log4j-jms.properties, jndi.properties, Log4jJMSAppenderExample.java ProjectJMS | \_ src | \_ Log4jJMSAppenderExample.java | \_ jndi.propeties \_…
alicjasalamon
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How to start using Chainsaw for Log4j?

I'd like to start using Chainsaw v2. There is almost no information about it. I've found only this , but links cannot be opened, so it isn't clear. I use socketAppender: log4j.rootLogger=DEBUG,…
alicjasalamon
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log4net won't write to the visual web developer console

this is my config for log4net but it wont write to the console see appender: ConsoleAppender
SexyMF
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send log output to different files in grails 1.3.2

I want to have log output of my packages or classes in a specific appender. But everything is printed out to the root-logger. Here is my config: log4j = { appenders { console name:'stdout', layout:pattern(conversionPattern: '%c{2}…
steyze
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Correct way to stop custom logback async appender

I've created Amazon SQS and SNS logback appenders using the Amazon's Java SDK. The basic appenders use the synchronous Java APIs, but I've also created asynchronous versions of both by extending the ch.qos.logback.classic.AsyncAppender…
tautonen
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SocketAppender and PatternLayout

I have a logger that send log to a log server storage. This work fine but the patternlayout isn't used. With or without that doesn't change anything. I believe remember to read somewhere that socketappender use is own pattern and not…
Guinoutortue
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Creating a different log4net.ILog instance for each appender

I'm using log4net to log a project. I want to log into 3 different files : requests, responses, and errors.
Niv
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What are the available options to retrieve Spring-managed beans in a Log4J Appender inside a Spring-managed web application?

My current build lead has a great idea in theory - construct a custom Log4J appender that takes in Spring-managed beans and uses them to log errors to various other sources than just the standard log file. However, other than creating a singleton…
MetroidFan2002
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