升级Tomcat版本 apache-tomcat-7.0.77
diff --git a/tomcat-uid/webapps/docs/config/engine.html b/tomcat-uid/webapps/docs/config/engine.html
index 075d68e..08423eb 100644
--- a/tomcat-uid/webapps/docs/config/engine.html
+++ b/tomcat-uid/webapps/docs/config/engine.html
@@ -1,9 +1,84 @@
-<html><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>Apache Tomcat Configuration Reference (6.0.41) - The Engine Container</title><meta name="author" content="Craig R. McClanahan"><style type="text/css" media="print">

-			.noPrint {display: none;}

-			td#mainBody {width: 100%;}

-		</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="

+<html><head><META http-equiv="Content-Type" content="text/html; charset=iso-8859-1"><title>Apache Tomcat 7 Configuration Reference (7.0.77) - The Engine Container</title><meta name="author" content="Craig R. McClanahan"><style type="text/css" media="print">

+    .noPrint {display: none;}

+    td#mainBody {width: 100%;}

+</style><style type="text/css">

+code {background-color:rgb(224,255,255);padding:0 0.1em;}

+code.attributeName, code.propertyName {background-color:transparent;}

+

+

+table {

+  border-collapse: collapse;

+  text-align: left;

+}

+table *:not(table) {

+  /* Prevent border-collapsing for table child elements like <div> */

+  border-collapse: separate;

+}

+

+th {

+  text-align: left;

+}

+

+

+div.codeBox pre code, code.attributeName, code.propertyName, code.noHighlight, .noHighlight code {

+  background-color: transparent;

+}

+div.codeBox {

+  overflow: auto;

+  margin: 1em 0;

+}

+div.codeBox pre {

+  margin: 0;

+  padding: 4px;

+  border: 1px solid #999;

+  border-radius: 5px;

+  background-color: #eff8ff;

+  display: table; /* To prevent <pre>s from taking the complete available width. */

+  /*

+  When it is officially supported, use the following CSS instead of display: table

+  to prevent big <pre>s from exceeding the browser window:

+  max-width: available;

+  width: min-content;

+  */

+}

+

+div.codeBox pre.wrap {

+  white-space: pre-wrap;

+}

+

+

+table.defaultTable tr, table.detail-table tr {

+    border: 1px solid #CCC;

+}

+

+table.defaultTable tr:nth-child(even), table.detail-table tr:nth-child(even) {

+    background-color: #FAFBFF;

+}

+

+table.defaultTable tr:nth-child(odd), table.detail-table tr:nth-child(odd) {

+    background-color: #EEEFFF;

+}

+

+table.defaultTable th, table.detail-table th {

+  background-color: #88b;

+  color: #fff;

+}

+

+table.defaultTable th, table.defaultTable td, table.detail-table th, table.detail-table td {

+  padding: 5px 8px;

+}

+

+

+p.notice {

+    border: 1px solid rgb(255, 0, 0);

+    background-color: rgb(238, 238, 238);

+    color: rgb(0, 51, 102);

+    padding: 0.5em;

+    margin: 1em 2em 1em 1em;

+}

+</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="index.html">Config Ref. Home</a></li></ul><p><strong>Top Level Elements</strong></p><ul><li><a href="server.html">Server</a></li><li><a href="service.html">Service</a></li></ul><p><strong>Executors</strong></p><ul><li><a href="executor.html">Executor</a></li></ul><p><strong>Connectors</strong></p><ul><li><a href="http.html">HTTP</a></li><li><a href="ajp.html">AJP</a></li></ul><p><strong>Containers</strong></p><ul><li><a href="context.html">Context</a></li><li><a href="engine.html">Engine</a></li><li><a href="host.html">Host</a></li><li><a href="cluster.html">Cluster</a></li></ul><p><strong>Nested Components</strong></p><ul><li><a href="globalresources.html">Global Resources</a></li><li><a href="listeners.html">Listeners</a></li><li><a href="loader.html">Loader</a></li><li><a href="manager.html">Manager</a></li><li><a href="realm.html">Realm</a></li><li><a href="resources.html">Resources</a></li><li><a href="valve.html">Valve</a></li></ul><p><strong>Cluster Elements</strong></p><ul><li><a href="cluster.html">Cluster</a></li><li><a href="cluster-manager.html">Manager</a></li><li><a href="cluster-channel.html">Channel</a></li><li><a href="cluster-membership.html">Channel/Membership</a></li><li><a href="cluster-sender.html">Channel/Sender</a></li><li><a href="cluster-receiver.html">Channel/Receiver</a></li><li><a href="cluster-interceptor.html">Channel/Interceptor</a></li><li><a href="cluster-valve.html">Valve</a></li><li><a href="cluster-deployer.html">Deployer</a></li><li><a href="cluster-listener.html">ClusterListener</a></li></ul><p><strong>web.xml</strong></p><ul><li><a href="filter.html">Filter</a></li></ul><p><strong>Other</strong></p><ul><li><a href="systemprops.html">System properties</a></li></ul></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left" id="mainBody"><h1>Apache Tomcat Configuration Reference</h1><h2>The Engine Container</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="index.html">Config Ref. 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>Top Level Elements</strong></p><ul><li><a href="server.html">Server</a></li><li><a href="service.html">Service</a></li></ul><p><strong>Executors</strong></p><ul><li><a href="executor.html">Executor</a></li></ul><p><strong>Connectors</strong></p><ul><li><a href="http.html">HTTP</a></li><li><a href="ajp.html">AJP</a></li></ul><p><strong>Containers</strong></p><ul><li><a href="context.html">Context</a></li><li><a href="engine.html">Engine</a></li><li><a href="host.html">Host</a></li><li><a href="cluster.html">Cluster</a></li></ul><p><strong>Nested Components</strong></p><ul><li><a href="globalresources.html">Global Resources</a></li><li><a href="jar-scanner.html">JarScanner</a></li><li><a href="listeners.html">Listeners</a></li><li><a href="loader.html">Loader</a></li><li><a href="manager.html">Manager</a></li><li><a href="realm.html">Realm</a></li><li><a href="resources.html">Resources</a></li><li><a href="sessionidgenerator.html">SessionIdGenerator</a></li><li><a href="valve.html">Valve</a></li></ul><p><strong>Cluster Elements</strong></p><ul><li><a href="cluster.html">Cluster</a></li><li><a href="cluster-manager.html">Manager</a></li><li><a href="cluster-channel.html">Channel</a></li><li><a href="cluster-membership.html">Channel/Membership</a></li><li><a href="cluster-sender.html">Channel/Sender</a></li><li><a href="cluster-receiver.html">Channel/Receiver</a></li><li><a href="cluster-interceptor.html">Channel/Interceptor</a></li><li><a href="cluster-valve.html">Valve</a></li><li><a href="cluster-deployer.html">Deployer</a></li><li><a href="cluster-listener.html">ClusterListener</a></li></ul><p><strong>web.xml</strong></p><ul><li><a href="filter.html">Filter</a></li></ul><p><strong>Other</strong></p><ul><li><a href="systemprops.html">System properties</a></li></ul></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left" id="mainBody"><h1>The Engine Container</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="#Attributes">Attributes</a><ol><li><a href="#Common_Attributes">Common Attributes</a></li><li><a href="#Standard_Implementation">Standard Implementation</a></li></ol></li><li><a href="#Nested_Components">Nested Components</a></li><li><a href="#Special_Features">Special Features</a><ol><li><a href="#Logging">Logging</a></li><li><a href="#Access_Logs">Access Logs</a></li><li><a href="#Lifecycle_Listeners">Lifecycle Listeners</a></li><li><a href="#Request_Filters">Request Filters</a></li></ol></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>

 

@@ -25,40 +100,55 @@
     <p>All implementations of <strong>Engine</strong>

     support the following attributes:</p>

 

-    <table border="1" cellpadding="5"><tr><th width="15%" bgcolor="#023264"><font color="#ffffff">Attribute</font></th><th width="85%" bgcolor="#023264"><font color="#ffffff">Description</font></th></tr><tr><td align="left" valign="center"><code>backgroundProcessorDelay</code></td><td align="left" valign="center">

-        <p>This value represents the delay in seconds between the 

-        invocation of the backgroundProcess method on this engine and 

-        its child containers, including all hosts and contexts. 

-        Child containers will not be invoked if their delay value is not 

-        negative (which would mean they are using their own processing 

-        thread). Setting this to a positive value will cause 

-        a thread to be spawn. After waiting the specified amount of time, 

-        the thread will invoke the backgroundProcess method on this engine 

+    <table border="1" cellpadding="5"><tr><th width="15%" bgcolor="#023264"><font color="#ffffff">Attribute</font></th><th width="85%" bgcolor="#023264"><font color="#ffffff">Description</font></th></tr><tr><td align="left" valign="center"><code class="attributeName">backgroundProcessorDelay</code></td><td align="left" valign="center">

+        <p>This value represents the delay in seconds between the

+        invocation of the backgroundProcess method on this engine and

+        its child containers, including all hosts and contexts.

+        Child containers will not be invoked if their delay value is not

+        negative (which would mean they are using their own processing

+        thread). Setting this to a positive value will cause

+        a thread to be spawn. After waiting the specified amount of time,

+        the thread will invoke the backgroundProcess method on this engine

         and all its child containers. If not specified, the default value for

         this attribute is 10, which represent a 10 seconds delay.</p>

-      </td></tr><tr><td align="left" valign="center"><code>className</code></td><td align="left" valign="center">

+      </td></tr><tr><td align="left" valign="center"><code class="attributeName">className</code></td><td align="left" valign="center">

         <p>Java class name of the implementation to use.  This class must

         implement the <code>org.apache.catalina.Engine</code> interface.

         If not specified, the standard value (defined below) will be used.</p>

-      </td></tr><tr><td align="left" valign="center"><strong><code>defaultHost</code></strong></td><td align="left" valign="center">

+      </td></tr><tr><td align="left" valign="center"><strong><code class="attributeName">defaultHost</code></strong></td><td align="left" valign="center">

         <p>The default host name, which identifies the

         <a href="host.html">Host</a> that will process requests directed

         to host names on this server, but which are not configured in

         this configuration file.  This name MUST match the <code>name</code>

         attributes of one of the <a href="host.html">Host</a> elements

         nested immediately inside.</p>

-      </td></tr><tr><td align="left" valign="center"><code>jvmRoute</code></td><td align="left" valign="center">

+      </td></tr><tr><td align="left" valign="center"><code class="attributeName">jvmRoute</code></td><td align="left" valign="center">

         <p>Identifier which must be used in load balancing scenarios to enable

         session affinity. The identifier, which must be unique across all

-        Tomcat 6 servers which participate in the cluster, will be appended to

+        Tomcat servers which participate in the cluster, will be appended to

         the generated session identifier, therefore allowing the front end

-        proxy to always forward a particular session to the same Tomcat 6

+        proxy to always forward a particular session to the same Tomcat

         instance.</p>

-      </td></tr><tr><td align="left" valign="center"><strong><code>name</code></strong></td><td align="left" valign="center">

+        <p>

+            Note that the <code>jvmRoute</code> can also be set using the

+            <code>jvmRoute</code> system property. The <code>jvmRoute</code>

+            set in an <code>&lt;Engine&gt;</code> attribute will override

+            any <code>jvmRoute</code> system property.

+        </p>

+      </td></tr><tr><td align="left" valign="center"><strong><code class="attributeName">name</code></strong></td><td align="left" valign="center">

         <p>Logical name of this Engine, used in log and error messages. <em>When

         using multiple <a href="service.html">Service</a> elements in the same

         <a href="server.html">Server</a>, each Engine MUST be assigned a unique

         name.</em></p>

+      </td></tr><tr><td align="left" valign="center"><code class="attributeName">startStopThreads</code></td><td align="left" valign="center">

+        <p>The number of threads this <strong>Engine</strong> will use to start

+        child <a href="host.html">Host</a> elements in parallel. The special

+        value of 0 will result in the value of

+        <code>Runtime.getRuntime().availableProcessors()</code> being used.

+        Negative values will result in

+        <code>Runtime.getRuntime().availableProcessors() + value</code> being

+        used unless this is less than 1 in which case 1 thread will be used. If

+        not specified, the default value of 1 will be used. </p>

       </td></tr></table>

 

   </blockquote></td></tr></table>

@@ -102,7 +192,7 @@
 

   <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Logging"><strong>Logging</strong></a></font></td></tr><tr><td><blockquote>

 

-    <p>An engine is associated with the 

+    <p>An engine is associated with the

        <code>org.apache.catalina.core.ContainerBase.[enginename]</code>

        log category.  Note that the brackets are actually part of the name,

        don't omit them.</p>

@@ -124,17 +214,15 @@
     <a href="host.html">Host</a>, or <a href="context.html">Context</a>

     by nesting a <a href="valve.html">Valve</a> element like this:</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>

-&lt;Engine name="Standalone" ...&gt;

+<div class="codeBox"><pre><code>&lt;Engine name="Standalone" ...&gt;

   ...

   &lt;Valve className="org.apache.catalina.valves.AccessLogValve"

          prefix="catalina_access_log." suffix=".txt"

          pattern="common"/&gt;

   ...

-&lt;/Engine&gt;

-</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>

+&lt;/Engine&gt;</code></pre></div>

 

-    <p>See <a href="valve.html#Access Log Valve">Access Log Valve</a>

+    <p>See <a href="valve.html#Access_Logging">Access Logging Valves</a>

     for more information on the configuration attributes that are

     supported.</p>

 

@@ -151,13 +239,11 @@
     it will be notified about the occurrence of the corresponding

     lifecycle events.  Configuration of such a listener looks like this:</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>

-&lt;Engine name="Standalone" ...&gt;

+<div class="codeBox"><pre><code>&lt;Engine name="Standalone" ...&gt;

   ...

   &lt;Listener className="com.mycompany.mypackage.MyListener" ... &gt;

   ...

-&lt;/Engine&gt;

-</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>

+&lt;/Engine&gt;</code></pre></div>

 

     <p>Note that a Listener can have any number of additional properties

     that may be configured from this element.  Attribute names are matched

@@ -173,30 +259,53 @@
     incoming request directed to the surrounding

     <a href="engine.html">Engine</a>, <a href="host.html">Host</a>, or

     <a href="context.html">Context</a> element.  The remote address or name

-    will be checked against a configured list of "accept" and/or "deny"

+    will be checked against configured "accept" and/or "deny"

     filters, which are defined using <code>java.util.regex</code> Regular

     Expression syntax.  Requests that come from locations that are

     not accepted will be rejected with an HTTP "Forbidden" error.

     Example filter declarations:</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>

-&lt;Engine name="Standalone" ...&gt;

+<div class="codeBox"><pre><code>&lt;Engine name="Standalone" ...&gt;

   ...

   &lt;Valve className="org.apache.catalina.valves.RemoteHostValve"

          allow=".*\.mycompany\.com|www\.yourcompany\.com"/&gt;

   &lt;Valve className="org.apache.catalina.valves.RemoteAddrValve"

          deny="192\.168\.1\.\d+"/&gt;

   ...

-&lt;/Engine&gt;

-</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>

+&lt;/Engine&gt;</code></pre></div>

 

-  <p>See <a href="valve.html#Remote Address Filter">Remote Address Filter</a>

-  and <a href="valve.html#Remote Host Filter">Remote Host Filter</a> for

+  <p>See <a href="valve.html#Remote_Address_Filter">Remote Address Filter</a>

+  and <a href="valve.html#Remote_Host_Filter">Remote Host Filter</a> for

   more information about the configuration options that are supported.</p>

 

   </blockquote></td></tr></table>

 

 

-</blockquote></td></tr></table></td></tr><!--FOOTER SEPARATOR--><tr><td colspan="2"><hr noshade="noshade" size="1"></td></tr><!--PAGE FOOTER--><tr><td colspan="2"><div align="center"><font color="#525D76" size="-1"><em>

-        Copyright &copy; 1999-2014, Apache Software Foundation

+</blockquote></td></tr></table></td></tr><tr class="noPrint"><td width="20%" valign="top" nowrap class="noPrint"></td><td width="80%" valign="top" align="left"><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="comments_section" id="comments_section"><strong>Comments</strong></a></font></td></tr><tr><td><blockquote><p class="notice"><strong>Notice: </strong>This comments section collects your suggestions

+              on improving documentation for Apache Tomcat.<br><br>

+              If you have trouble and need help, read

+              <a href="http://tomcat.apache.org/findhelp.html">Find Help</a> page

+              and ask your question on the tomcat-users

+              <a href="http://tomcat.apache.org/lists.html">mailing list</a>.

+              Do not ask such questions here. This is not a Q&amp;A section.<br><br>

+              The Apache Comments System is explained <a href="../comments.html">here</a>.

+              Comments may be removed by our moderators if they are either

+              implemented or considered invalid/off-topic.</p><script type="text/javascript"><!--//--><![CDATA[//><!--

+              var comments_shortname = 'tomcat';

+              var comments_identifier = 'http://tomcat.apache.org/tomcat-7.0-doc/config/engine.html';

+              (function(w, d) {

+                  if (w.location.hostname.toLowerCase() == "tomcat.apache.org") {

+                      d.write('<div id="comments_thread"><\/div>');

+                      var s = d.createElement('script');

+                      s.type = 'text/javascript';

+                      s.async = true;

+                      s.src = 'https://comments.apache.org/show_comments.lua?site=' + comments_shortname + '&page=' + comments_identifier;

+                      (d.getElementsByTagName('head')[0] || d.getElementsByTagName('body')[0]).appendChild(s);

+                  }

+                  else {

+                      d.write('<div id="comments_thread"><strong>Comments are disabled for this page at the moment.<\/strong><\/div>');

+                  }

+              })(window, document);

+              //--><!]]></script></blockquote></td></tr></table></td></tr><!--FOOTER SEPARATOR--><tr><td colspan="2"><hr noshade size="1"></td></tr><!--PAGE FOOTER--><tr><td colspan="2"><div align="center"><font color="#525D76" size="-1"><em>

+        Copyright &copy; 1999-2017, Apache Software Foundation

         </em></font></div></td></tr></table></body></html>
\ No newline at end of file