So I have read the migration document on how you port code from Log4J to SLF4J Api, but I am still unclear what you do when your legacy code 3rd party dependencies have a dependency on Log4J. I obviously, don’t want my final executable jar file to contain the Log4J jar, so I can of course add an exclusi…
Tag: log4j
ERROR: org.apache.logging.log4j.Logger.atDebug()Lorg/apache/logging/log4j/LogBuilder
When I try import a file from front to my api, throws this error: org.apache.logging.log4j.Logger.atDebug()Lorg/apache/logging/log4j/LogBuilder I just have this log4j dependency in my pom.xml: This is my Controller: Thank you in advance. Answer I saw a post that solved my problem, just put this dependency:
reduce the internal log level for Log4j2 (with Kafka Appender)
I’m using Log4j2 (v2.17.2) to send information directly to kafka, and am using XML to create the configuration (as many articles mention that XML can handle a lot more configuration options – properties do not). The issue that I have is that my console is filled to the brim with irrelevant INFO lo…
Unable to send the logs to Splunk Enterprise local using log4j2
I’m using log4j2 and splunk within java to send logs into my Splunk Enterprise HEC (HTTP Event Collector) Splunk Enterprise is running in my local machine. I’m doing all log4j2 configuration programmatically. (I know this is not the correct way to do this but I’m still doing this for learnin…
How to remove the Header from syslog message while using log4j SyslogAppender in Java
I’m using the SyslogAppender of log4j version 2.17.1 (package org.apache.logging.log4j.core.appender) in order to send syslog messages. the message are sent in the next format: I would like to remove the header for the message (remove the “Mar 23 17:32:24 se-demo”) and send only the message …
How to log output of just a specified framework class in Log4J
I need to log the output of a specific Spring class (org.springframework.core.log.LogFormatUtils) to a given appender (Graylog in the end, but I used a FileAppender for testing purposes – doesn’t matter here). I’m aware that generally, this could be done quite simple by using However, this d…
Log4j2 tomcat 10 memory leaks on shutdown
I have memory leaks at my tomcat 10.0.16 servlet application. I am using Log4j2 2.17.2 version, and after tomcat shutdown I see next logs: My pom.xml for Log4j2 is: And also log4j2 config Most common fix is to add log4j-jakarta-web, but this does not works for me Answer Fully deleting target folder and recomp…
how to remove log4j form recursive dependency?
I was trying to remove the log4j dependency from my project which is a huge repository. After having a close look in gradle files I found one of the module refers to the log4j dependency, which I excluded in gradle as shown in below code – exclude group: ‘log4j’, module: ‘log4j’ …
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. How could I change the value “/home/logs/oarm_log.txt” to a different value that comes from a string found in the actual Java code so that the code determines where to output the .txt file? Answer Though your best go-to resource for this …
Log4j RollingFileAppender has odd behavior when using the Log4j 1.x bridge
While I migrate to log4j2, I have configured my Tomcat web application to use the Log4j 1.x bridge. I followed the Migration guide here: https://logging.apache.org/log4j/2.x/manual/migration.html I continue to use my existing log4j.properties file which look like this: This successfully creates my log file an…