title: Android: A class that exist and Logcat log that it could not be found
body: <p>I tried to import a project developed on my laptop to another PC. </p>
  
  <p>I am sure that project work very well on my laptop, but on the new pc, the application crashes telling me that it could not find a class:</p>
  
  <pre><code>04-05 10:32:26.802: D/dalvikvm(568): GC_EXTERNAL_ALLOC freed 1062 objects / 72728 bytes in 48ms
  04-05 10:32:28.492: D/dalvikvm(568): GC_EXTERNAL_ALLOC freed 270 objects / 14312 bytes in 39ms
  04-05 10:32:28.653: D/dalvikvm(568): GC_EXTERNAL_ALLOC freed 77 objects / 3184 bytes in 37ms
  04-05 10:32:29.242: E/dalvikvm(568): Could not find class 'org.codehaus.jackson.map.ObjectMapper', referenced from method com.test.two.MockRecipesControllerString.&lt;init&gt;
  04-05 10:32:29.653: W/dalvikvm(568): VFY: unable to resolve new-instance 710 (Lorg/codehaus/jackson/map/ObjectMapper;) in Lcom/test/two/MockRecipesControllerString;
  04-05 10:32:29.653: D/dalvikvm(568): VFY: replacing opcode 0x22 at 0x000e
  04-05 10:32:29.693: D/dalvikvm(568): VFY: dead code 0x0010-001e in Lcom/test/two/MockRecipesControllerString;.&lt;init&gt; (Ljava/io/InputStream;)V
  04-05 10:32:29.733: I/dalvikvm(568): Could not find method org.codehaus.jackson.JsonFactory.createJsonParser, referenced from method com.test.two.MockRecipesControllerString.init
  </code></pre>
  
  <p>The library and the class exist. </p>
  
  <p>What can I do to fix the problem? </p>
  
  <p>Thanks in advance.</p>