" class="externalLink">IllegalStateException</a></code> - if the <code>getOutputStream</code> method has already been called for this response
 object</dd>
<dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></code> - if an input or output exception occurred</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="#getOutputStream()"><code>getOutputStream