title: Error building java project
body: <p>I have tryied to build my project in netbeans 6.8/ windows xp, and I've received this errors:</p>
  
  <pre><code>..\nbproject\build-impl.xml:452: The following error occurred while executing this line:
  
  ..\nbproject\build-impl.xml:224: Compile failed; see the compiler error output for details.output for details.
  </code></pre>
  
  <p>The lines are, respectively:
  452:        </p>
  
  <pre><code>`&lt;j2seproject3:javac gensrcdir="${build.generated.sources.dir}"/&gt;`
  </code></pre>
  
  <p>224:        </p>
  
  <pre><code>&lt;javac debug="@{debug}" deprecation="${javac.deprecation}" destdir="@{destdir}" encoding="${source.encoding}" excludes="@{excludes}" fork="${javac.fork}" includeantruntime="false" includes="@{includes}" source="${javac.source}" sourcepath="@{sourcepath}" srcdir="@{srcdir}" target="${javac.target}" tempdir="${java.io.tmpdir}"&gt;
  </code></pre>
  
  <p>I have tried to reinstall netbeans, java, and anything more...but I can't resolve this error. 
  Do someone know how can I fix it?</p>
  
  <p>All the best!</p>
  
  <p>Leandro</p>