title: Adding slf4j-simple.jar doesn't solve: Failed to load class "org.slf4j.impl.StaticLoggerBinder"
body: <p>On starting spring boot application, I get:</p>
  <pre><code>SLF4J: Failed to load class &quot;org.slf4j.impl.StaticLoggerBinder&quot;.
  SLF4J: Defaulting to no-operation (NOP) logger implementation
  </code></pre>
  <p>In maven dependency tree, I see following occurrences of slf4j:</p>
  <pre><code>org.slf4j:slf4j-api:jar:1.7.30:compile
  com.typesafe.akka:akka-slf4j_2.11:jar:2.5.21:compile
  org.clapper:grizzled-slf4j_2.11:jar:1.3.2:compile
  org.apache.logging.log4j:log4j-to-slf4j:jar:2.13.3:compile
  org.slf4j:jul-to-slf4j:jar:1.7.30:compile
  </code></pre>
  <p>At <a href="http://www.slf4j.org/codes.html#StaticLoggerBinder" rel="nofollow noreferrer">this link</a>, it mentions to add slf4j-simple.jar to solve it. I did so:</p>
  <pre><code>&lt;dependency&gt;
              &lt;groupId&gt;org.slf4j&lt;/groupId&gt;
              &lt;artifactId&gt;slf4j-simple&lt;/artifactId&gt;
              &lt;version&gt;2.0.0-alpha1&lt;/version&gt;
  &lt;/dependency&gt;
  </code></pre>
  <p>....but I still get the error.</p>
  <p>How to solve it?</p>