title: Error: Could not find or load main class com.google.gwt.dev.Compiler
body: <p>What steps will reproduce the problem? and how i can solve this problem</p>
  
  <ol>
  <li>IN Eclipse Indigo, right click on <code>project name --&gt; google --&gt; GWT Compile --&gt; Compile</code> </li>
  </ol>
  
  <p>I got error that says </p>
  
  <blockquote>
    <p>GWT compilation failed</p>
  </blockquote>
  
  <p>In Eclipse console window, I got error message that says</p>
  
  <blockquote>
    <p>Error: Could not find or load main class com.google.gwt.dev.Compiler</p>
  </blockquote>
  
  <p>I am using windows 7 , eclipse juno 4.2 , and GWT sdk 2.5.1 </p>
  
  <p>During Gwt installation i left unchecked all app engine SDK options.
  And also configure build path for jar files for projects i have.
  but still this problem is coming .</p>
  
  <hr>
  
  <p>Thanks for answering .                                                                        well I tried that before but nothing happened. Then I uninstall all all. And go to HELP--->Install new Software---> in text area i used this link  <br/>  Google Update Site for Eclipse 4.2 - <a href="http://dl.google.com/eclipse/plugin/4.2" rel="nofollow">http://dl.google.com/eclipse/plugin/4.2</a> <br/>                           then whenever i checked  Google Plugin for eclipse (required) and hit next it shows<br/>  <b>Cannot complete the install because one or more required items could not be found.
    Software being installed: Google Plugin for Eclipse 4.2 3.2.4.v201306061638-rel-r42 (com.google.gdt.eclipse.suite.e42.feature.feature.group 3.2.4.v201306061638-rel-r42)
    Missing requirement: Google Plugin for Eclipse 4.2 3.2.4.v201306061638-rel-r42 (com.google.gdt.eclipse.suite.e42.feature.feature.group 3.2.4.v201306061638-rel-r42) requires 'org.objectweb.asm 0.0.0' but it could not be found </b>  <br/> i didn't understand what and where is the problem coming .</p>