Find and fix misusage of SLF4J with Google Error Prone

This is a plugin for Google Error Prone, that detects misusage of SLF4J. This provides almost same feature with findbugs-slf4j.

Supported Bug Patterns

Current version supports following bug patterns:

Install

After installation of Error Prone, introduce errorprone-slf4j as plugin. Refer official document or following examples:

Maven

maven-compiler-plugin supports <annotationProcessorPaths> from version 3.5. Use it in configuration of maven-compiler-plugin like below:

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-compiler-plugin</artifactId>
  <configuration>
    <compilerId>javac-with-errorprone</compilerId>
    ...
    <annotationProcessorPaths>
      <path>
        <groupId>jp.skypencil.errorprone.slf4j</groupId>
        <artifactId>errorprone-slf4j</artifactId>
        <version>0.1.3</version>
      </path>
    </annotationProcessorPaths>
  </configuration>
</plugin>

Gradle

From v4.6, Gradle supports annotationProcessor configuration so you can configure your project like below:

dependencies {
  annotationProcessor 'jp.skypencil.errorprone.slf4j:errorprone-slf4j:0.1.2'
}

Copyright

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0