read Detection Valve</h3><div class="text">

  <div class="subsection"><h4 id="Stuck_Thread_Detection_Valve/Introduction">Introduction</h4><div class="text">

    <p>This valve allows to detect requests that take a long time to process,
    which might indicate that the thread that is processing it is stuck.
    Additionally it can optionally interrupt such threads to try and unblock
    them.</p>
    <p>When such a request is detected, the current stack trace of its thread is
    written to Tomcat log with