yaml and more.Ībove code configures three custom loggers: one for classes in com.allaroundjava package, one for and one for .sql. There are several file formats you can choose from, like.
Log4j configuration file needs to be placed in application classpath. I’d probably never use it in a live appliaction due to its poor documentation. In other words, I ditched JBoss Logging bridge. Due to that I decided to strongly couple the example application with Log4j2, which contains numerous optimizations and is well documented. In case of JBoss Logging, there is a big tradeoff between benefits of logging facade and its usability. The only sources, describing JBoss Logging I was able to find on the web are the following: It’s really hard to discover how to effectively bind parameters to log messages or avoid double log level checking. JBoss Logging API is very poorly documented. Since JBoss Logging is added as a dependency in Hibernate, you can consider using it in your application. Since version 4.0 Hibernate stopped using Slf4j as its default logging bridge and started using JBoss Logging instead.
Similarly to JPA, it provides a set of classes allowing to log messages with any desired logging library you decide to use. Logging bridge (or facade) is an abstraction layer providing logging API and allowing to attach the desired logging framework at deploy time. Hibernate does not ship with a logging framework dependency. Hibernate’s JBoss Logging bridgeīefore we learn to set things up, here are few technicalities. You can find the code to below examples on Github. It’s a great way to debug the application and discover sub-optimal queries, N+1 selects or Cartesian product problems.
Enabling logging helps visualize SQL statements which Hibernate uses to communicate with the database. The following article shows how to configure logging with log4j2 and Hibernate.
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