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Questions tagged [log4j2]

Log4j 2 is an upgrade to Log4j, a Java-based logging utility, that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture.

Log4j2 is a standalone upgrade to Log4j that provides significant improvements over its predecessor, Log4j 1.x, and provides many of the improvements available in Logback while fixing some inherent problems in Logback's architecture. Log4j2.x changes the API and is no longer downward compatible to log4j1.x

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Why does Log4j SizeBasedTriggerPolicy use the compressed size as a trigger to roll-over?

The configuration file of Log4j 2 is shown below,the following XML fragment defines policies that rollover the log when the log size reaches hundred megabytes
hgxzn
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Spring 5 Framework Logging with slf4j/log4j2

I have a application that I've put together to become familiar with Spring Framework 5, using Maven and Java 8. Once executed, it extracts some information from a PostgreSQL database table and logs it to the console (via slf4j/log4j2). The actual…
Jazz
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How to convert the log4j.properties file to log4j2.properties file

I have updated the logging jars from log4j1 to log4j2.17. However I am not able to convert my log4j.properties file into log4j2..properties file. Below is my log4j.properties…
Pradeep Kumar
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Manual upgrade to Elastic 7.16.2 fails. Service timeout even though cluster is GREEN

OS: Debian 10 Current Elastic version: 7.10.2 Attempting to upgrade to Elastic version: 7.16.2 I'm attempting to upgrade our Elastic 7.10.2 nodes to v7.16.2 to deploy the recent log4j security fixes. I've done upgrades before using the apt debian…
user11069229
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How to set log4j 2.x output path after reading in log4j.xml

Say I have an appender defined in the log4j.xml file below.
Barry
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Migrating from log4j to log4j2

I am migrating from log4j1.x to log4j2 due to recent vulnerability. It seems another dependency is referencing the the old log4j1.x file. In addition to removing old log4j1.x file I added log4j-core, log4j-api, and log4j-1.2-api all version 2.16. I…
jms310
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How to let JBoss not to affect my own log4j2 settings?

I'm using Log4j2(2.17.1) with two type of configs(log4j.prop & log4j2.xml) on multiple projects. My APP's log4j2 works properly on Tomcat 9 while reading external log4j config. But somehow it stops working or only logging into server.log when I…
user6309529
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Log4j runtime exception upon updating from 1.2.17 to 2.17.1

I have upgrade from log4j-1.2.17 to log4j-2.17.1 with needed code changes. Code builds fine without errors. I have included proper jar files(only log4j-api-2.17.1.jar and log4j-core-2.17.1.jar) in the build path and WEB-INF path. Upon deploying on…
vmorusu
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Programmatically changing the level of the Appender reference of a Logger in log4j2

I tested the solution to a similar question How can I change the AppenderRef Level in log4j2 programmatically? But the solution is not working for the latest version of log4j2.xml - 2.17.0 . Usecase is slight different than the question referred to…
Vishwanath Washimkar
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Issue migrating from PatternLayout to JsonTemplateLayout, Null or empty MDC values does not appear in log

I have log4j2-spirng.xml with this pattern layout userId is value from MDC. In case it is null it is logged with blank value like…
Kirils Belajevs
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RollingRandomAccessFile contains an invalid element or attribute JsonTemplateLayout

i've a configuration in my log4j2.xml as below - Throws following error during initialization - main ERROR RollingRandomAccessFile contains an invalid element or attribute…
Vibin
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Log4J Bridge 1 to 2.17.1 properties are not resolved

I am trying to use the log4j bridge to migrate my application. I have added the jars and set the configuration properties that are found and loaded. The first problem was that log4j was not able to find the FileAppender class, I checked in the…
Enrico Scantamburlo
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Masking Card Data Using log4j2

I want to mask track data , card data and etc , my pattern of logging is as follows plain text : userID=1234|trackData=789654asdas|pin=897|userName=445566 Masked text : userID=1234|trackData=|pin=|userName=445566 i don't want to print this data…
Sachin Pardeshi
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Missing logs while using RollingFile appender log4j2.xml

This is my lo4j2.xml file ${sys:jboss.server.log.dir} application …
Mykhailo Kramar
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logback pattern conversion from log4j to logback

I'm trying to convert an xml configuration file from log4j to logback, this is my log4j code that have %xwEx yyyy-MM-dd…
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