title: Failed to instantiate SLF4J LoggerFactory, Scala, IDEA
body: <p>When I write following string</p>
  
  <pre><code>val mongoClient =  MongoClient("172.27.80.111", 42017)
  </code></pre>
  
  <p>I have got Error</p>
  
  <pre><code>Failed to instantiate SLF4J LoggerFactory
  Reported exception:
  java.lang.NoClassDefFoundError: org/slf4j/spi/LoggerFactoryBinder
  </code></pre>
  
  <p>File slf4j-log4j12-1.7.5.jar I copied to C:\Program Files\Java\jdk1.7.0_25\jre\lib\ext.</p>
  
  <p>How I can fix this?</p>