Migrate Log4j 2.x to Logback
Recipe ID
org.openrewrite.java.logging.logback.Log4jToLogbackArtifact
org.openrewrite.recipe:rewrite-logging-frameworksMigrates usage of Apache Log4j 2.x to using logback as an SLF4J implementation directly. Note, this currently does not modify log4j.properties files.
Usage
This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.
mod run . --recipe org.openrewrite.java.logging.logback.Log4jToLogbackIf the recipe isn’t available locally, install it with:
mod config recipes jar install org.openrewrite.recipe:rewrite-logging-frameworks:3.31.0Definition
This recipe runs the following recipes in order.
- Migrate Log4j to SLF4J
org.openrewrite.java.logging.slf4j.Log4jToSlf4j - Migrate Log4j 2.x Appender to logback-classic equivalents
org.openrewrite.java.logging.logback.Log4jAppenderToLogback - Migrate Log4j 2.x Layout to logback-classic equivalents
org.openrewrite.java.logging.logback.Log4jLayoutToLogback - Add Gradle or Maven dependency
org.openrewrite.java.dependencies.AddDependency - Add Gradle or Maven dependency
org.openrewrite.java.dependencies.AddDependency - Add Gradle or Maven dependency
org.openrewrite.java.dependencies.AddDependency - Remove a Gradle or Maven dependency
org.openrewrite.java.dependencies.RemoveDependency
Data tables
Structured output this recipe can produce.
- Source files that had resultsSource files that were modified by the recipe run.
org.openrewrite.table.SourcesFileResults - Source files that had search resultsSearch results that were found during the recipe run.
org.openrewrite.table.SearchResults - Source files that errored on a recipeThe details of all errors produced by a recipe run.
org.openrewrite.table.SourcesFileErrors - Recipe performanceStatistics used in analyzing the performance of recipes.
org.openrewrite.table.RecipeRunStats