diff --git a/docs/src/main/asciidoc/datasource.adoc b/docs/src/main/asciidoc/datasource.adoc index 974157657ffa3..83f02c99e9df9 100644 --- a/docs/src/main/asciidoc/datasource.adoc +++ b/docs/src/main/asciidoc/datasource.adoc @@ -259,12 +259,11 @@ For more information about configuring JDBC, see < Finally, all calls to `Log` methods are rewritten to regular JBoss Logging calls on the logger field during the application build. -WARNING: Only use the `Log` API in application classes, not in external dependencies. -`Log` method calls that are not processed by Quarkus at build time will throw an exception. - [[log-api-extension-warning]] -==== Important Note on Using `io.quarkus.logging.Log` in Extensions +[WARNING] +==== +Use the `Log` API only in application classes, not in external dependencies. +`Log` method calls not processed by Quarkus at build time will result in an exception. -While the `Log` API simplifies logging in application classes, it should not be used in extension modules or external dependencies. The following considerations apply: +.Using `io.quarkus.logging.Log` in extensions: -* `io.quarkus.logging.Log` depends on Quarkus bytecode transformations that occur at build time. -* In extension modules, the use of `Log` may work if the module has a Jandex index. However, this behavior is not officially supported and might lead to unreliable logging. +While the `Log` API simplifies logging in application classes, it is not recommended for use in extension modules or external dependencies. -For extension development: +The following considerations apply: -* Use standard loggers like `org.jboss.logging.Logger.getLogger(String)` instead of `io.quarkus.logging.Log`. -* This avoids potential performance issues caused by the stack walk fallback when Quarkus build-time processing is unavailable. +* `io.quarkus.logging.Log` depends on Quarkus bytecode transformations that occur at build time. + +* In extension modules, `Log` works only if the module includes a Jandex index. +However, this behavior is unsupported and can lead to unreliable logging. ++ +For extension development, use `org.jboss.logging.Logger.getLogger(String)` instead of `io.quarkus.logging.Log`. +==== [[injection-of-a-configured-logger]]