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Janardhan Naidu commented on LOG4J2-3388: ----------------------------------------- Thank you both for real quick response. [~ppkarwasz] , [OutputStreamAppender|https://logging.apache.org/log4j/2.x/log4j-core/apidocs/org/apache/logging/log4j/core/appender/OutputStreamAppender.html] is also final!.. We cannot extend it.. [~rgoers] , you are correct, we need to remove 1.x and move to 2.x completely. can you please provide the documentation where I can refer and configure appenders(file apender/rolling appender), Patter parsers etc, that you be really helpful. > Migration from log4j1.x to log4j2.x > ----------------------------------- > > Key: LOG4J2-3388 > URL: https://issues.apache.org/jira/browse/LOG4J2-3388 > Project: Log4j 2 > Issue Type: Question > Reporter: Janardhan Naidu > Priority: Major > > We are planning to upgrade log4j1.x to log4j2.x. > So we went through the migration document: > [https://logging.apache.org/log4j/2.x/manual/migration.html] > in the above document, It says that (They must not access methods and classes > internal to the Log4j 1.x implementation such as Appenders, LoggerRepository > or Category’s callAppenders method.) > and In our product, currently we are using log4j1.x and we are extending some > of the log4j1.x classes like PatternParser, FileAppender etc... which were > made final in log4j2.x so can we make use of Log4j 1.x bridge.? If yes how > we can do that. > > what could be the better option to migrate log4j 1.x to log4j 2.x as we are > making use of log4j internal classes? > -- This message was sent by Atlassian Jira (v8.20.1#820001)