title: iReport 5.5.0 won't start
body: <p>I want to use iReport on ubuntu 12.04. When I try to start it, it stands still and just gives me this error:</p>
  
  <pre><code>Java HotSpot(TM) 64-Bit Server VM warning: You have loaded library /tmp/jna4023560596826437553.tmp which might have disabled stack guard. The VM will try to fix the stack guard now.
  It's highly recommended that you fix the library with 'execstack -c &lt;libfile&gt;', or link it with '-z noexecstack'.
  </code></pre>
  
  <p>How can I solve this problem ?</p>
  
  <p><strong><em>Edit:</em></strong> I tried: <code>execstack -c /tmp/jna4023560596826437553.tmp</code> but that didn't help.</p>