erlying login mechanism did NOT establish the message and HTTP status code to be returned to the user)</dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>Servlet 3.0</dd>
</dl>
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<h4>login</h4>
<pre>void&nbsp;login(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;username,
      