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https://issues.apache.org/jira/browse/LOG4J2-561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13919582#comment-13919582
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Ralph Goers commented on LOG4J2-561:
------------------------------------
Your code looks fine. I assume it is in package
"com.mycompany.abc.def.log.wrapper"? If not you need to make sure the package
it is in is listed in the packages attribute on the configuration.
You can also set status="debug" on the configuration. That should give you more
information on why it is not working.
> Custom appender configuration help.
> -----------------------------------
>
> Key: LOG4J2-561
> URL: https://issues.apache.org/jira/browse/LOG4J2-561
> Project: Log4j 2
> Issue Type: Question
> Components: Appenders
> Affects Versions: 2.0-rc1
> Environment: Java
> Reporter: vibin
> Labels: appender, custom, customappender
> Fix For: 2.0-rc1
>
>
> Can anyone please explain how to add a new(custom) appender..?
> here is my code it did not work..
> @Plugin(name = "EM_Appender", category = "Core", elementType = "appender",
> printObject = true)
> public final class EventManagerAppender extends AbstractAppender{
>
> protected EventManagerAppender(String name, Filter filter, Layout<? extends
> Serializable> layout,
> boolean ignoreExceptions)
> {
> super(name, filter, layout, ignoreExceptions);
> // TODO Auto-generated constructor stub
> }
> /* @SuppressWarnings("rawtypes")
> private EventManagerAppender(String name, Layout layout, Filter filter,
> boolean ignoreExceptions) {
> }*/
>
>
> @PluginFactory
> public static EventManagerAppender
> createAppender(@PluginAttribute("name") String name,
>
> @PluginAttribute("ignoreExceptions") String ignore,
> @PluginElement("Layout") Layout
> layout,
> @PluginElement("Filters")
> Filter filter) {
>
> boolean ignoreExceptions = Boolean.parseBoolean(ignore);
> if (name == null) {
> return null;
> }
>
> if (layout == null) {
> layout = PatternLayout.createLayout(null, null, null, null,
> ignore, ignore);
> }
> return new EventManagerAppender(name, filter,layout,
> ignoreExceptions);
> }
>
> public void append(LogEvent event) {
> System.out.println(event.getMessage());
> System.out.println("Custome appender");
> }
> }
> XML configuration
> **********************
> <?xml version="1.0" encoding="UTF-8"?>
> <Configuration status="warn" strict="true" name="XMLConfigTest"
>
> packages="org.apache.logging.log4j.test,com.mycompany.abc.def.log.wrapper"
> monitorInterval="30">
> <Properties>
> <Property name="filename">C:/Logs/test1.log</Property>
> </Properties>
> <Filter type="ThresholdFilter" level="warn"/>
>
> <Appenders>
> <Appender type="File" name="File" fileName="${filename}">
> <Layout type="PatternLayout">
> <Pattern>%d{dd MMM yyyy HH:mm:ss,SSS} %-5p [%c{1}:%L:%t]
> %m%n</Pattern>
> </Layout>
> </Appender>
> <EM_Appender name="EM_Appender">
> <Layout type="PatternLayout">
> <Pattern>%d{dd MMM yyyy HH:mm:ss,SSS} %-5p [%c{1}:%L:%t]
> %m%n</Pattern>
> </Layout>
> </EM_Appender>
> </Appenders>
>
> <Loggers>
> <Logger name="com.mycompany.xyz.ab" level="trace" additivity="false">
> <AppenderRef ref="File"/>
> </Logger>
> <Root level="trace">
> <AppenderRef ref="File"/>
> <AppenderRef ref="EM_Appender"/>
> </Root>
> </Loggers>
>
> </Configuration>
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