I got this method for creating a log file: but the file is not created, instead I get this error: Whats the fix for this? Answer Try putting the email.log directly as a child of the project root folder and a peer of src. project_root/src project_root/email.log (your file) This is probably happening because of…
Tag: logging
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…
Override Hysterix Logging
I am trying to understand the logs generated by SpringBoot before and after implementing Hysterix Circuit Breaker Before Hystrix the logs looked like, After implementing Hystrix the logs looks like, So, how did http-nio-8080-exec-2 get replaced with hystrix-OrchestratorController-1, and why it’s not sho…
Logging access to Java servlet
I’m currently developing a Java Web application using Servlets. What I need to do is log to a file every access made to the website. To do that, I used Filters. So far, I’ve made it to the point where I can print everything to the console. What I now need to do is store that into a file with
Spring Boot – @Slf4j Logging Behavior differs in Test and in real Application
I have a sample class like this, I have written a test case like this, When I run this test the below items gets printed to console. But when I run the printLogLevel() from application like this, The below lines gets printed to console. Below are the dependencies I have used for this testing. and this is the …
LOG4J2 RollingFile Appender not writing to file
I’m trying to configure log4j2 by code but my RollingFile and my custom plugin”JTxtLogAppender” not working. The problem with the RollingFile is that the log file is created but it not writing to the file, neither to my custom plugin, but output to console is working. Here my code: Answer Be…
JAX-RS LoggingFilter – Log request entities
I’m using a class implementing ClientRequestFilter It is working fine except that after being logged the bodypart stream seems to be consumed and is not sent with the request. How can I do to display the bodypart stream and make it again available for the request itself ? For the response it was the sam…
How to wrap logging methods for Logger without lossing the name of the caller method?
I am trying to add some convenient methods to java.util.Logger. They are methods that I expect to ease the coding o my next Java application: They represent a 1:2 to 1:3 ratio in the number of code lines I have to write whenever I want to report an exception. There are a large bunch of similar methods for wel…
SLF4J/Java logging: Is it possible to add log arguments automatically?
Introduction We’re using SLF4J in combination with Logback in several Spring (Boot) applications and recently started using the logstash-logback-encoder to implement structured logging. As we also still have to support plain text logs, we wondered whether it was possible to append arguments automaticall…
Log4j2 how to overwrite path in configuration log4j2.xml?
I have to save the logs to the path taken from the database. I know the logs start earlier. For this, in xml I have a path configuration, but I want the path to be overwritten after downloading data from the database. Log4j2.xml Answer Take a look at Programmatic Configuration… My suggestion would have …