letException.html" title="class in jakarta.servlet">ServletException</a></code> - if an exception has occurred that interferes with the filter's normal operation</dd>
</dl>
</section>
</li>
<li class="blockList">
<section class="detail">
<h3><a id="doFilter(jakarta.servlet.ServletRequest,jakarta.servlet.ServletResponse,jakarta.servlet.FilterChain)">doFilter</a></h3>
<div class="memberSignature"><span class="returnType">void</span>&nbsp;<span class="memberName">doFilter</span>&#8203;(<span class="arguments">