log4j2 Questions
5
Solved
I am currently creating a system that can have modules (think of them as plugins), where each one of them can have their own log, dedicated.
I would like to use the log4j2 project for logging, but...
6
Solved
I am trying to adopt Log4j2 in my new project, but I get my logs in catalina.out, and the first one is always: ERROR StatusLogger Unable to locate a logging implementation, using SimpleLogger. It s...
Psychosis asked 18/11, 2012 at 9:15
1
Log4j migration guide
https://logging.apache.org/log4j/2.x/manual/migration.html
states that
Calls to org.apache.log4j.Logger.getLogger that accept a LoggerFactory must remove the org.apache.lo...
2
Solved
In Spring Boot 2 application I have configured Log4j2 with JsonLayout like below
....
<Appenders>
<Console name="ConsoleJSONAppender" target="SYSTEM_OUT">
<JsonLayout complete=...
Limber asked 5/5, 2020 at 18:36
6
Solved
I tried to run my project on the latest Java 11. Everything works, except the specific file logger. Logging works fine on previous Java versions - 10, 9, 8, but not on Java 11.
During server run I...
2
Solved
I add an appender programmatically. It was working until I added maven-shade-plugin. I wonder what makes my appender fail.
The appender works ✅ or not ❌ in these scenarios:
✅ From IDE (IntelliJ ID...
6
i am working on a project where i utilize log4j2 logging.
while developing in intellij, all works fine and the logging is done as expected. the log4j2.xml is linked through java property passed to...
4
Solved
Im trying to include log4j2 in my springboot project, but i get the following error.
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/Users/mn/.gradle/caches/...
Synchronous asked 12/2, 2018 at 12:2
1
Solved
Well, I think the title describes the question. I know that I should use spring-boot-starter-log4j2 if I wanted to use log4j2 as my logging framework in spring. But my question is, how does it diff...
2
Solved
I need to create logs with key value pairs as below. Is there any support in PatternLayout to do this for the static fields in a thread like log_level, class_name, event_id etc with the log4j2.xml....
2
My multi-jar app runs in Java 11 and shows a warning related to Log4j2:
WARNING: sun.reflect.Reflection.getCallerClass is not supported. This will impact performance.
It doesn't crash, but qui...
3
Is there any way we can create separate log files for different log levels?
All I want is to log error logs to one file and info logs to another file.
I did not find any solution to do this in log4...
Skirting asked 31/5, 2017 at 14:7
8
Solved
Log4j2 is working nicely with Spring Boot through the log4j2.xml configuration file in the root classpath, exactly as the documentation states.
When trying to move this file to a different locatio...
Threlkeld asked 5/2, 2015 at 16:38
9
Solved
I'm interested in programmatically changing the log level in Log4j2. I tried looking at their configuration documentation but that didn't seem to have anything. I also tried looking in the package:...
8
Solved
Hi I just downloaded and configured log4j-2. I am stuck on applying color codes to the SlowConsole console appender. My console appender is like below.
<?xml version="1.0" encoding="UTF-8"?>...
Folly asked 24/2, 2014 at 5:38
3
Solved
Given the Java argument evaluation mechanism, how does Log4j 2.x implement lazy evaluation when formatting the message with curly brackets "to avoid the cost of parameter construction" when log is ...
Reggi asked 24/8, 2015 at 13:47
4
Solved
I am trying to use Apache Log4j 2.12.1 with Spring Boot 2.2.1 but when I run, it doesn't give any warning about missing log4j 2 configuration file. Below is the code for logging(Simple once class t...
Incapable asked 18/11, 2019 at 6:54
6
Solved
I want to create day dependent logfiles with log4j2:
<RollingFile name="APP" fileName="application-%d{yyyy-MM-dd}.log" />
Resulting logfile name: application-%d{yyyy-MM-dd}.log, the timest...
3
I'm getting the following while setting slf4j on top log4j 2 implementation. Even though I configured log4J2 to be my implementation for slf4j interface..I'm still seeing No SLF4J providers were fo...
Motorboating asked 11/1, 2022 at 0:35
2
Solved
I have a Spring boot application and I'm using logback as the framework for logging. Currently I want to display thread id instead of the thread name. I know it is possible using log4j2 if you use ...
Add asked 14/4, 2020 at 12:3
7
Solved
What filter should I use to define particular level to be logged with appender? For example:
java:
LOGGER.debug("Debug message");
LOGGER.info("Info message");
LOGGER.warn("...
2
Solved
I am trying to deploy Spring Boot application on Tomcat. But somehow I am getting:
Unexpected problem occured during version sanity check
Reported exception:
java.lang.AbstractMethodError: org.apac...
Ask asked 12/11, 2021 at 14:40
3
Solved
When I launch any of my application, i receive a lot of these lines at console and logs:
TRACE StatusLogger Log4jLoggerFactory.getContext() found anchor class com.example.auth.api.SessionAgentImpl
...
2
Solved
In log4j I could specify a class in the properties file to log at the debug level like this:
log4j.logger.com.mycompany.mypackage.ClassName=DEBUG
How do I do this in log4j2? Note I still need to u...
3
I have an application that used log4j1.2.17.Now I want to change it to log4j2.
So i changed the pom.xml (I'm sure that i have remove the log4j1 in any dependency), add the log4j2.xml. The log4j2 wo...
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