log4j2

问题 I am developing an Eclipse RCP application and have gone to some pains to get log4j2 to work within the app. All seems to work fine now, and as a finishing touch I wanted to make all loggers asynchronously. I've managed to get the LMAX Disruptor on the classpath, and think I've solved the issue of providing sun.misc as well. Set the VM argument -DLog4jContextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector in the run config and set up log4j2.xml file correctly as well.

问题 I am developing an Eclipse RCP application and have gone to some pains to get log4j2 to work within the app. All seems to work fine now, and as a finishing touch I wanted to make all loggers asynchronously. I've managed to get the LMAX Disruptor on the classpath, and think I've solved the issue of providing sun.misc as well. Set the VM argument -DLog4jContextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector in the run config and set up log4j2.xml file correctly as well.

问题 I know it should be easy to use SLF4J with Log4j2 as logger implementation. You just need to add the jars to the classpath. I have thought that I did so, but I am still getting INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time. SLF4J: Failed to load class "org.slf4j.impl

问题 My app is using spring log4j2 and uses slf4j api to write log to separate log file "application.log". This app gets deployed to tomcat v8 along with other apps. All app share common log4j2 configuration and writes to common logfile 'application.log'. We have a log rotation policy of 250 mb and when the log file rotates the logs are not written to the logfile surprising only one app among all the app is able to write to the log file. I'm able to reproduce this locally too. Can you please help

问题 I was using log4j 1.2 earlier and I recently migrated to log4j 2.0 I was using below listener class in log4j 1.2 in web.xml <listener> <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class> </listener> This listener class is removed after log4j 2.0 and I want replacement of this listener class which allow me to change logger level at runtime and update without restarting tomcat service in my web application. I have tried below listener but this is also restarting

问题 I am using log4j2 and I don't know how I can filter by class name. I have tried with RegexFilter but it only filters the text message. In old log4j was enough with tag 'filter' <filter class="aaaa.bbbb.cccc.ClassName"> Somebody knows how to do now? Thank you in advance! Update: Ok, I did it! I need to define a logger and set the class name in attribute 'name': <loggers> <logger name="aaaa.bbbb.cccc.ClassName" additivity="false" level="info"> <appender-ref ref="RollingFile" /> </logger> <root

问题 I have a simple java project (maven). Which builds a jar and we execute the main method on it. But when I run mvn clean test on the project I get a log line from log4j saying INFO Log4j appears to be running in a Servlet environment, but there's no log4j-web module available. If you want better web container support, please add the log4j-web JAR to your web archive or server lib directory. The log4j2.xml file is in src/main/resources/log4j2.xml . Any ideas whats going on ? 回答1: If you have

问题 I have a simple java project (maven). Which builds a jar and we execute the main method on it. But when I run mvn clean test on the project I get a log line from log4j saying INFO Log4j appears to be running in a Servlet environment, but there's no log4j-web module available. If you want better web container support, please add the log4j-web JAR to your web archive or server lib directory. The log4j2.xml file is in src/main/resources/log4j2.xml . Any ideas whats going on ? 回答1: If you have

问题 I have a simple java project (maven). Which builds a jar and we execute the main method on it. But when I run mvn clean test on the project I get a log line from log4j saying INFO Log4j appears to be running in a Servlet environment, but there's no log4j-web module available. If you want better web container support, please add the log4j-web JAR to your web archive or server lib directory. The log4j2.xml file is in src/main/resources/log4j2.xml . Any ideas whats going on ? 回答1: If you have

问题 This is the first time that this issue has occurred to me, I have used DynamoDB local on Linux and Mac and most of the time it worked fine, and now I'm on a different Mac machine, it just throws an error. The error message that I got was: ERROR StatusLogger Log4j2 could not find a logging implementation. Please add log4j-core to the classpath. Using SimpleLogger to log to the console... I tried installing it via homebrew, but it's throwing the same error. I may have messed up something in my