/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink">IOException</a></code> - if an I/O related error has occurred during the processing</dd>
<dd><code><a href="ServletException.html" title="class in jakarta.servlet">ServletException</a></code> - if an exception has occurred that interferes with the filterChain's normal operation</dd>
</dl>
</section>
</li>
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