 Handler:
</p><ul><li> <code>SomeException</code>: Exception that led the invocation;
</li><li> String: Name of the entity (client name, server name, <em>etc.</em>)
</li></ul></div></div><div class="top"><p class="src"><span class="keyword">data</span>  <a name="t:StatusCode" class="def">StatusCode</a>  </p><div class="doc"><p>Status code to communicate the state of a request
   between two applications. 
   The wire format is inspired by HTTP status codes:
</p><ul><li> OK (200): Everything is fine
</li><li