diff --git a/tomcat-cas/webapps/docs/aio.html b/tomcat-cas/webapps/docs/aio.html
index 19448ab..44de979 100644
--- a/tomcat-cas/webapps/docs/aio.html
+++ b/tomcat-cas/webapps/docs/aio.html
@@ -1,15 +1,90 @@
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+<html><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>Apache Tomcat 7 (7.0.77) - Advanced IO and Tomcat</title><meta name="author" content="Remy Maucherat"><style type="text/css" media="print">
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+  When it is officially supported, use the following CSS instead of display: table
+  to prevent big <pre>s from exceeding the browser window:
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+  background-color: #88b;
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+  padding: 5px 8px;
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+p.notice {
+    border: 1px solid rgb(255, 0, 0);
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+    margin: 1em 2em 1em 1em;
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+</style></head><body bgcolor="#ffffff" text="#000000" link="#525D76" alink="#525D76" vlink="#525D76"><table border="0" width="100%" cellspacing="0"><!--PAGE HEADER--><tr><td><!--PROJECT LOGO--><a href="http://tomcat.apache.org/"><img src="./images/tomcat.gif" align="right" alt="
       The Apache Tomcat Servlet/JSP Container
-    " border="0"></a></td><td><h1><font face="arial,helvetica,sanserif">Apache Tomcat 6.0</font></h1><font face="arial,helvetica,sanserif">Version 6.0.41, May 19 2014</font></td><td><!--APACHE LOGO--><a href="http://www.apache.org/"><img src="./images/asf-logo.gif" align="right" alt="Apache Logo" border="0"></a></td></tr></table><table border="0" width="100%" cellspacing="4"><!--HEADER SEPARATOR--><tr><td colspan="2"><hr noshade="noshade" size="1"></td></tr><tr><!--LEFT SIDE NAVIGATION--><td width="20%" valign="top" nowrap="nowrap" class="noPrint"><p><strong>Links</strong></p><ul><li><a href="index.html">Docs Home</a></li><li><a href="http://wiki.apache.org/tomcat/FAQ">FAQ</a></li></ul><p><strong>User Guide</strong></p><ul><li><a href="introduction.html">1) Introduction</a></li><li><a href="setup.html">2) Setup</a></li><li><a href="appdev/index.html">3) First webapp</a></li><li><a href="deployer-howto.html">4) Deployer</a></li><li><a href="manager-howto.html">5) Manager</a></li><li><a href="realm-howto.html">6) Realms and AAA</a></li><li><a href="security-manager-howto.html">7) Security Manager</a></li><li><a href="jndi-resources-howto.html">8) JNDI Resources</a></li><li><a href="jndi-datasource-examples-howto.html">9) JDBC DataSources</a></li><li><a href="class-loader-howto.html">10) Classloading</a></li><li><a href="jasper-howto.html">11) JSPs</a></li><li><a href="ssl-howto.html">12) SSL</a></li><li><a href="ssi-howto.html">13) SSI</a></li><li><a href="cgi-howto.html">14) CGI</a></li><li><a href="proxy-howto.html">15) Proxy Support</a></li><li><a href="mbeans-descriptor-howto.html">16) MBean Descriptor</a></li><li><a href="default-servlet.html">17) Default Servlet</a></li><li><a href="cluster-howto.html">18) Clustering</a></li><li><a href="balancer-howto.html">19) Load Balancer</a></li><li><a href="connectors.html">20) Connectors</a></li><li><a href="monitoring.html">21) Monitoring and Management</a></li><li><a href="logging.html">22) Logging</a></li><li><a href="apr.html">23) APR/Native</a></li><li><a href="virtual-hosting-howto.html">24) Virtual Hosting</a></li><li><a href="aio.html">25) Advanced IO</a></li><li><a href="extras.html">26) Additional Components</a></li><li><a href="maven-jars.html">27) Mavenized</a></li></ul><p><strong>Reference</strong></p><ul><li><a href="RELEASE-NOTES.txt">Release Notes</a></li><li><a href="config/index.html">Configuration</a></li><li><a href="api/index.html">Javadocs</a></li><li><a href="http://tomcat.apache.org/connectors-doc/">JK 1.2 Documentation</a></li></ul><p><strong>Apache Tomcat Development</strong></p><ul><li><a href="building.html">Building</a></li><li><a href="changelog.html">Changelog</a></li><li><a href="http://wiki.apache.org/tomcat/TomcatVersions">Status</a></li><li><a href="developers.html">Developers</a></li><li><a href="architecture/index.html">Architecture</a></li><li><a href="funcspecs/index.html">Functional Specs.</a></li></ul></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left" id="mainBody"><h1>Apache Tomcat 6.0</h1><h2>Advanced IO and Tomcat</h2><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Table of Contents"><!--()--></a><a name="Table_of_Contents"><strong>Table of Contents</strong></a></font></td></tr><tr><td><blockquote>
+    " border="0"></a></td><td><h1><font face="arial,helvetica,sanserif">Apache Tomcat 7</font></h1><font face="arial,helvetica,sanserif">Version 7.0.77, Mar 28 2017</font></td><td><!--APACHE LOGO--><a href="http://www.apache.org/"><img src="./images/asf-logo.svg" align="right" alt="Apache Logo" border="0" style="width: 266px;height: 83px;"></a></td></tr></table><table border="0" width="100%" cellspacing="4"><!--HEADER SEPARATOR--><tr><td colspan="2"><hr noshade size="1"></td></tr><tr><!--LEFT SIDE NAVIGATION--><td width="20%" valign="top" nowrap class="noPrint"><p><strong>Links</strong></p><ul><li><a href="index.html">Docs Home</a></li><li><a href="http://wiki.apache.org/tomcat/FAQ">FAQ</a></li><li><a href="#comments_section">User Comments</a></li></ul><p><strong>User Guide</strong></p><ul><li><a href="introduction.html">1) Introduction</a></li><li><a href="setup.html">2) Setup</a></li><li><a href="appdev/index.html">3) First webapp</a></li><li><a href="deployer-howto.html">4) Deployer</a></li><li><a href="manager-howto.html">5) Manager</a></li><li><a href="realm-howto.html">6) Realms and AAA</a></li><li><a href="security-manager-howto.html">7) Security Manager</a></li><li><a href="jndi-resources-howto.html">8) JNDI Resources</a></li><li><a href="jndi-datasource-examples-howto.html">9) JDBC DataSources</a></li><li><a href="class-loader-howto.html">10) Classloading</a></li><li><a href="jasper-howto.html">11) JSPs</a></li><li><a href="ssl-howto.html">12) SSL/TLS</a></li><li><a href="ssi-howto.html">13) SSI</a></li><li><a href="cgi-howto.html">14) CGI</a></li><li><a href="proxy-howto.html">15) Proxy Support</a></li><li><a href="mbeans-descriptors-howto.html">16) MBeans Descriptors</a></li><li><a href="default-servlet.html">17) Default Servlet</a></li><li><a href="cluster-howto.html">18) Clustering</a></li><li><a href="balancer-howto.html">19) Load Balancer</a></li><li><a href="connectors.html">20) Connectors</a></li><li><a href="monitoring.html">21) Monitoring and Management</a></li><li><a href="logging.html">22) Logging</a></li><li><a href="apr.html">23) APR/Native</a></li><li><a href="virtual-hosting-howto.html">24) Virtual Hosting</a></li><li><a href="aio.html">25) Advanced IO</a></li><li><a href="extras.html">26) Additional Components</a></li><li><a href="maven-jars.html">27) Mavenized</a></li><li><a href="security-howto.html">28) Security Considerations</a></li><li><a href="windows-service-howto.html">29) Windows Service</a></li><li><a href="windows-auth-howto.html">30) Windows Authentication</a></li><li><a href="jdbc-pool.html">31) Tomcat's JDBC Pool</a></li><li><a href="web-socket-howto.html">32) WebSocket</a></li></ul><p><strong>Reference</strong></p><ul><li><a href="RELEASE-NOTES.txt">Release Notes</a></li><li><a href="config/index.html">Configuration</a></li><li><a href="api/index.html">Tomcat Javadocs</a></li><li><a href="servletapi/index.html">Servlet Javadocs</a></li><li><a href="jspapi/index.html">JSP 2.2 Javadocs</a></li><li><a href="elapi/index.html">EL 2.2 Javadocs</a></li><li><a href="websocketapi/index.html">WebSocket 1.1 Javadocs</a></li><li><a href="http://tomcat.apache.org/connectors-doc/">JK 1.2 Documentation</a></li></ul><p><strong>Apache Tomcat Development</strong></p><ul><li><a href="building.html">Building</a></li><li><a href="changelog.html">Changelog</a></li><li><a href="http://wiki.apache.org/tomcat/TomcatVersions">Status</a></li><li><a href="developers.html">Developers</a></li><li><a href="architecture/index.html">Architecture</a></li><li><a href="funcspecs/index.html">Functional Specs.</a></li><li><a href="tribes/introduction.html">Tribes</a></li></ul></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left" id="mainBody"><h1>Advanced IO and Tomcat</h1><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Table of Contents"><!--()--></a><a name="Table_of_Contents"><strong>Table of Contents</strong></a></font></td></tr><tr><td><blockquote>
 <ul><li><a href="#Introduction">Introduction</a></li><li><a href="#Comet_support">Comet support</a><ol><li><a href="#CometEvent">CometEvent</a></li><li><a href="#CometFilter">CometFilter</a></li><li><a href="#Example_code">Example code</a></li><li><a href="#Comet_timeouts">Comet timeouts</a></li></ol></li><li><a href="#Asynchronous_writes">Asynchronous writes</a></li></ul>
 </blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Introduction"><strong>Introduction</strong></a></font></td></tr><tr><td><blockquote>
 
   <p>
-    With usage of APR or NIO APIs as the basis of its connectors, Tomcat is 
-    able to provide a number of extensions over the regular blocking IO 
+    With usage of APR or NIO APIs as the basis of its connectors, Tomcat is
+    able to provide a number of extensions over the regular blocking IO
     as provided with support for the Servlet API.
   </p>
 
@@ -30,9 +105,9 @@
   </p>
 
   <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="CometEvent"><strong>CometEvent</strong></a></font></td></tr><tr><td><blockquote>
-  
+
   <p>
-    Servlets which implement the <code>org.apache.catalina.CometProcessor</code>
+    Servlets which implement the <code>org.apache.catalina.comet.CometProcessor</code>
     interface will have their event method invoked rather than the usual service
     method, according to the event which occurred. The event object gives
     access to the usual request and response objects, which may be used in the
@@ -41,38 +116,38 @@
     an END or ERROR event.
     The following event types exist:
   </p>
-  
+
   <ul>
-  <li>EventType.BEGIN: will be called at the beginning 
-     of the processing of the connection. It can be used to initialize any relevant 
-     fields using the request and response objects. Between the end of the processing 
+  <li>EventType.BEGIN: will be called at the beginning
+     of the processing of the connection. It can be used to initialize any relevant
+     fields using the request and response objects. Between the end of the processing
      of this event, and the beginning of the processing of the end or error events,
      it is possible to use the response object to write data on the open connection.
-     Note that the response object and dependent OutputStream and Writer are still 
-     not synchronized, so when they are accessed by multiple threads, 
-     synchronization is mandatory. After processing the initial event, the request 
+     Note that the response object and dependent OutputStream and Writer are still
+     not synchronized, so when they are accessed by multiple threads,
+     synchronization is mandatory. After processing the initial event, the request
      is considered to be committed.</li>
   <li>EventType.READ: This indicates that input data is available, and that one read can be made
        without blocking. The available and ready methods of the InputStream or
        Reader may be used to determine if there is a risk of blocking: the servlet
-       should read while data is reported available. When encountering a read error, 
-       the servlet should report it by propagating the exception properly. Throwing 
-       an exception will cause the error event to be invoked, and the connection 
-       will be closed. 
+       should read while data is reported available. When encountering a read error,
+       the servlet should report it by propagating the exception properly. Throwing
+       an exception will cause the error event to be invoked, and the connection
+       will be closed.
        Alternately, it is also possible to catch any exception, perform clean up
        on any data structure the servlet may be using, and using the close method
-       of the event. It is not allowed to attempt reading data from the request 
+       of the event. It is not allowed to attempt reading data from the request
        object outside of the execution of this method.<br>
        On some platforms, like Windows, a client disconnect is indicated by a READ event.
        Reading from the stream may result in -1, an IOException or an EOFException.
        Make sure you properly handle all these three cases.
-       If you don't catch the IOException, Tomcat will instantly invoke your event chain with an ERROR as 
+       If you don't catch the IOException, Tomcat will instantly invoke your event chain with an ERROR as
        it catches the error for you, and you will be notified of the error at that time.
   </li>
   <li>EventType.END: End may be called to end the processing of the request. Fields that have
      been initialized in the begin method should be reset. After this event has
      been processed, the request and response objects, as well as all their dependent
-     objects will be recycled and used to process other requests. End will also be 
+     objects will be recycled and used to process other requests. End will also be
      called when data is available and the end of file is reached on the request input
      (this usually indicates the client has pipelined a request).</li>
   <li>EventType.ERROR: Error will be called by the container in the case where an IO exception
@@ -88,13 +163,13 @@
   </p>
 
   <ul>
-  <li>EventSubType.TIMEOUT: The connection timed out (sub type of ERROR); note that this ERROR 
-    type is not fatal, and the connection will not be closed unless the servlet uses the close 
+  <li>EventSubType.TIMEOUT: The connection timed out (sub type of ERROR); note that this ERROR
+    type is not fatal, and the connection will not be closed unless the servlet uses the close
     method of the event.
   </li>
   <li>EventSubType.CLIENT_DISCONNECT: The client connection was closed (sub type of ERROR).
   </li>
-  <li>EventSubType.IOEXCEPTION: An IO exception occurred, such as invalid content, for example, 
+  <li>EventSubType.IOEXCEPTION: An IO exception occurred, such as invalid content, for example,
     an invalid chunk block (sub type of ERROR).
   </li>
   <li>EventSubType.WEBAPP_RELOAD: The web application is being reloaded (sub type of END).
@@ -105,43 +180,42 @@
 
   <p>
     As described above, the typical lifecycle of a Comet request will consist in a series of
-    events such as: BEGIN -&gt; READ -&gt; READ -&gt; READ -&gt; ERROR/TIMEOUT. At any time, the servlet 
+    events such as: BEGIN -&gt; READ -&gt; READ -&gt; READ -&gt; ERROR/TIMEOUT. At any time, the servlet
     may end processing of the request by using the close method of the event object.
   </p>
-  
+
   </blockquote></td></tr></table>
 
   <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="CometFilter"><strong>CometFilter</strong></a></font></td></tr><tr><td><blockquote>
-  
+
   <p>
     Similar to regular filters, a filter chain is invoked when comet events are processed.
-    These filters should implement the CometFilter interface (which works in the same way as 
+    These filters should implement the CometFilter interface (which works in the same way as
     the regular Filter interface), and should be declared and mapped in the deployment
     descriptor in the same way as a regular filter. The filter chain when processing an event
     will only include filters which match all the usual mapping rules, and also implement
     the CometFiler interface.
   </p>
-  
+
   </blockquote></td></tr></table>
 
   <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Example code"><!--()--></a><a name="Example_code"><strong>Example code</strong></a></font></td></tr><tr><td><blockquote>
-  
+
   <p>
     The following pseudo code servlet implements asynchronous chat functionality using the API
     described above:
   </p>
-  
-  <div align="left"><table cellspacing="4" cellpadding="0" border="0"><tr><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#ffffff" height="1"><pre>
-public class ChatServlet
+
+  <div class="codeBox"><pre><code>public class ChatServlet
     extends HttpServlet implements CometProcessor {
 
-    protected ArrayList&lt;HttpServletResponse&gt; connections = 
+    protected ArrayList&lt;HttpServletResponse&gt; connections =
         new ArrayList&lt;HttpServletResponse&gt;();
     protected MessageSender messageSender = null;
-    
+
     public void init() throws ServletException {
         messageSender = new MessageSender();
-        Thread messageSenderThread = 
+        Thread messageSenderThread =
             new Thread(messageSender, "MessageSender[" + getServletContext().getContextPath() + "]");
         messageSenderThread.setDaemon(true);
         messageSenderThread.start();
@@ -155,7 +229,7 @@
 
     /**
      * Process the given Comet event.
-     * 
+     *
      * @param event The Comet event that will be processed
      * @throws IOException
      * @throws ServletException
@@ -167,8 +241,8 @@
         if (event.getEventType() == CometEvent.EventType.BEGIN) {
             log("Begin for session: " + request.getSession(true).getId());
             PrintWriter writer = response.getWriter();
-            writer.println("&lt;!doctype html public \"-//w3c//dtd html 4.0 transitional//en\"&gt;");
-            writer.println("&lt;head&gt;&lt;title&gt;JSP Chat&lt;/title&gt;&lt;/head&gt;&lt;body bgcolor=\"#FFFFFF\"&gt;");
+            writer.println("&lt;!DOCTYPE html&gt;");
+            writer.println("&lt;head&gt;&lt;title&gt;JSP Chat&lt;/title&gt;&lt;/head&gt;&lt;body&gt;");
             writer.flush();
             synchronized(connections) {
                 connections.add(response);
@@ -193,7 +267,7 @@
             do {
                 int n = is.read(buf); //can throw an IOException
                 if (n &gt; 0) {
-                    log("Read " + n + " bytes: " + new String(buf, 0, n) 
+                    log("Read " + n + " bytes: " + new String(buf, 0, n)
                             + " for session: " + request.getSession(true).getId());
                 } else if (n &lt; 0) {
                     error(event, request, response);
@@ -207,10 +281,10 @@
 
         protected boolean running = true;
         protected ArrayList&lt;String&gt; messages = new ArrayList&lt;String&gt;();
-        
+
         public MessageSender() {
         }
-        
+
         public void stop() {
             running = false;
         }
@@ -265,15 +339,16 @@
 
     }
 
-}
-  </pre></td><td bgcolor="#023264" width="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr></table></div>
-  
+}</code></pre></div>
+
   </blockquote></td></tr></table>
   <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Comet timeouts"><!--()--></a><a name="Comet_timeouts"><strong>Comet timeouts</strong></a></font></td></tr><tr><td><blockquote>
     <p>If you are using the NIO connector, you can set individual timeouts for your different comet connections.
-       To set a timeout, simply set a request attribute like the following code shows:
-       <div align="left"><table cellspacing="4" cellpadding="0" border="0"><tr><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#ffffff" height="1"><pre>CometEvent event.... event.setTimeout(30*1000);</pre></td><td bgcolor="#023264" width="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr></table></div> or
-       <div align="left"><table cellspacing="4" cellpadding="0" border="0"><tr><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#ffffff" height="1"><pre>event.getHttpServletRequest().setAttribute("org.apache.tomcat.comet.timeout", new Integer(30 * 1000));</pre></td><td bgcolor="#023264" width="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr><tr><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td><td bgcolor="#023264" width="1" height="1"><img src="./images/void.gif" alt="" width="1" height="1" vspace="0" hspace="0" border="0"></td></tr></table></div>
+       To set a timeout, simply set a request attribute like the following code shows:</p>
+    <div class="codeBox"><pre><code>CometEvent event.... event.setTimeout(30*1000);</code></pre></div>
+    <p>or</p>
+    <div class="codeBox"><pre><code>event.getHttpServletRequest().setAttribute("org.apache.tomcat.comet.timeout", new Integer(30 * 1000));</code></pre></div>
+    <p>
        This sets the timeout to 30 seconds.
        Important note: in order to set this timeout, it has to be done on the <code>BEGIN</code> event.
        The default value is <code>soTimeout</code>
@@ -286,7 +361,7 @@
 
   <p>
     When APR or NIO is enabled, Tomcat supports using sendfile to send large static files.
-    These writes, as soon as the system load increases, will be performed 
+    These writes, as soon as the system load increases, will be performed
     asynchronously in the most efficient way. Instead of sending a large response using
     blocking writes, it is possible to write content to a static file, and write it
     using a sendfile code. A caching valve could take advantage of this to cache the
@@ -294,17 +369,17 @@
     available if the request attribute <code>org.apache.tomcat.sendfile.support</code>
     is set to <code>Boolean.TRUE</code>.
   </p>
-  
+
   <p>
     Any servlet can instruct Tomcat to perform a sendfile call by setting the appropriate
     request attributes. It is also necessary to correctly set the content length
     for the response. When using sendfile, it is best to ensure that neither the
     request or response have been wrapped, since as the response body will be sent later
-    by the connector itself, it cannot be filtered. Other than setting the 3 needed 
+    by the connector itself, it cannot be filtered. Other than setting the 3 needed
     request attributes, the servlet should not send any response data, but it may use
     any method which will result in modifying the response header (like setting cookies).
   </p>
-  
+
   <ul>
   <li><code>org.apache.tomcat.sendfile.filename</code>: Canonical filename of the file which will be sent as
       a String</li>
@@ -312,6 +387,31 @@
   <li><code>org.apache.tomcat.sendfile.end</code>: End offset as a Long</li>
   </ul>
 
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