Modified: tomcat/site/trunk/docs/migration-10.html
URL: 
http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-10.html?rev=1917847&r1=1917846&r2=1917847&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-10.html (original)
+++ tomcat/site/trunk/docs/migration-10.html Tue May 21 08:23:45 2024
@@ -1,5 +1,5 @@
 <!DOCTYPE html SYSTEM "about:legacy-compat">
-<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
10.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/S
 upportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a href="https://tomcat.ap
 ache.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li
 ><li><a href="./upgrading.html">Upgrading</a></li><li><a 
 >href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
 >href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
 >href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
 >href="./native-1.2-doc/index.html">Tomcat Native 1.2</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
 >href="./migration.html">Migration Guide</a></li><li><a 
 >href="./presentations.html">Presentations</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/x/Bi8lBg";>Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a
 > href="./security.html">Security Reports</a></li><li><a 
 >href="./findhelp.html">Find help</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ";>FAQ</a></li><li><a
 > href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug 
 >Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get 
 >Involved</h2><ul><li><a h
 ref="./getinvolved.html">Overview</a></li><li><a href="./source.html">Source 
code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/vIPzBQ";>Translations</a></li><li><a 
href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a 
href="https://twitter.com/theapachetomcat";>Twitter</a></li><li><a 
href="https://www.youtube.com/c/ApacheTomcatOfficial";>YouTube</a></li><li><a 
href="https://blogs.apache.org/tomcat/";>Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a
 href="./whoweare.html">Who We Are</a></li><li><a 
href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat";>Swag</a></li><li><a
 href="./heritage.html">Heritage</a></li><li><a 
href="http://www.apache.org";>Apache Home</a></li><li><a 
href="./resources.html">Resources</a></li><li><a 
href="./contact.html">Contact</a></li><li><a 
href="./legal.html">Legal</a></li><li><a 
href="https://privacy.apache.org/policies/privacy-policy-public.html";>Privacy</a></li
 ><li><a href="https://www.apache.org/foundation/contributing.html";>Support 
 >Apache</a></li><li><a 
 >href="https://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li><li><a
 > href="http://www.apache.org/foundation/thanks.html";>Thanks</a></li><li><a 
 >href="http://www.apache.org/licenses/";>License</a></li></ul></div></nav></div></div><div
 > id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
 >id="Table_of_Contents">Table of Contents</h3><div class="text">
+<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
10.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/S
 upportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a href="https://tomcat.ap
 ache.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li
 ><li><a href="./upgrading.html">Upgrading</a></li><li><a 
 >href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
 >href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
 >href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
 >href="./migration.html">Migration Guide</a></li><li><a 
 >href="./presentations.html">Presentations</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/x/Bi8lBg";>Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a
 > href="./security.html">Security Reports</a></li><li><a 
 >href="./findhelp.html">Find help</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ";>FAQ</a></li><li><a
 > href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug 
 >Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get 
 >Involved</h2><ul><li><a href="./getinvolved.html">Overview</a></li><li><a 
 >href="./source.html
 ">Source code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/vIPzBQ";>Translations</a></li><li><a 
href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a 
href="https://twitter.com/theapachetomcat";>Twitter</a></li><li><a 
href="https://www.youtube.com/c/ApacheTomcatOfficial";>YouTube</a></li><li><a 
href="https://blogs.apache.org/tomcat/";>Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a
 href="./whoweare.html">Who We Are</a></li><li><a 
href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat";>Swag</a></li><li><a
 href="./heritage.html">Heritage</a></li><li><a 
href="http://www.apache.org";>Apache Home</a></li><li><a 
href="./resources.html">Resources</a></li><li><a 
href="./contact.html">Contact</a></li><li><a 
href="./legal.html">Legal</a></li><li><a 
href="https://privacy.apache.org/policies/privacy-policy-public.html";>Privacy</a></li><li><a
 href="https://www.apache.org/foundation/contributing.html";>S
 upport Apache</a></li><li><a 
href="https://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li><li><a
 href="http://www.apache.org/foundation/thanks.html";>Thanks</a></li><li><a 
href="http://www.apache.org/licenses/";>License</a></li></ul></div></nav></div></div><div
 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
 <ul><li><a href="#General">General</a></li><li><a 
href="#Migrating_from_9.0.x_to_10.0.x">Migrating from 9.0.x to 
10.0.x</a><ol><li><a href="#Java_8_required">Java 8 required</a></li><li><a 
href="#Specification_APIs">Specification APIs</a></li><li><a 
href="#Servlet_5.0_API">Servlet 5.0 API</a></li><li><a href="#Pages_3.0">Pages 
3.0</a></li><li><a href="#Expression_Language_4.0">Expression Language 
4.0</a></li><li><a href="#WebSocket_2.0">WebSocket 2.0</a></li><li><a 
href="#Authentication_4.0">Authentication 4.0</a></li><li><a 
href="#Internal_APIs">Internal APIs</a></li><li><a 
href="#web.xml_defaults">web.xml defaults</a></li><li><a 
href="#Session_management">Session management</a></li><li><a 
href="#HTTP/2">HTTP/2</a></li><li><a href="#Logging">Logging</a></li><li><a 
href="#Access_Log_Patterns">Access Log Patterns</a></li></ol></li><li><a 
href="#Upgrading_10.0.x">Upgrading 10.0.x</a><ol><li><a 
href="#Tomcat_10.0.x_noteable_changes">Tomcat 10.0.x noteable 
changes</a></li><li><a href="#
 Tomcat_10.0.x_configuration_file_differences">Tomcat 10.0.x configuration file 
differences</a></li></ol></li></ul>
 </div><h3 id="General">General</h3><div class="text">
 

Modified: tomcat/site/trunk/docs/migration-11.0.html
URL: 
http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-11.0.html?rev=1917847&r1=1917846&r2=1917847&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-11.0.html (original)
+++ tomcat/site/trunk/docs/migration-11.0.html Tue May 21 08:23:45 2024
@@ -1,5 +1,5 @@
 <!DOCTYPE html SYSTEM "about:legacy-compat">
-<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
11.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/S
 upportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a href="https://tomcat.ap
 ache.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li
 ><li><a href="./upgrading.html">Upgrading</a></li><li><a 
 >href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
 >href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
 >href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
 >href="./native-1.2-doc/index.html">Tomcat Native 1.2</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
 >href="./migration.html">Migration Guide</a></li><li><a 
 >href="./presentations.html">Presentations</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/x/Bi8lBg";>Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a
 > href="./security.html">Security Reports</a></li><li><a 
 >href="./findhelp.html">Find help</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ";>FAQ</a></li><li><a
 > href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug 
 >Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get 
 >Involved</h2><ul><li><a h
 ref="./getinvolved.html">Overview</a></li><li><a href="./source.html">Source 
code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/vIPzBQ";>Translations</a></li><li><a 
href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a 
href="https://twitter.com/theapachetomcat";>Twitter</a></li><li><a 
href="https://www.youtube.com/c/ApacheTomcatOfficial";>YouTube</a></li><li><a 
href="https://blogs.apache.org/tomcat/";>Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a
 href="./whoweare.html">Who We Are</a></li><li><a 
href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat";>Swag</a></li><li><a
 href="./heritage.html">Heritage</a></li><li><a 
href="http://www.apache.org";>Apache Home</a></li><li><a 
href="./resources.html">Resources</a></li><li><a 
href="./contact.html">Contact</a></li><li><a 
href="./legal.html">Legal</a></li><li><a 
href="https://privacy.apache.org/policies/privacy-policy-public.html";>Privacy</a></li
 ><li><a href="https://www.apache.org/foundation/contributing.html";>Support 
 >Apache</a></li><li><a 
 >href="https://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li><li><a
 > href="http://www.apache.org/foundation/thanks.html";>Thanks</a></li><li><a 
 >href="http://www.apache.org/licenses/";>License</a></li></ul></div></nav></div></div><div
 > id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
 >id="Table_of_Contents">Table of Contents</h3><div class="text">
+<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
11.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/S
 upportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a href="https://tomcat.ap
 ache.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li
 ><li><a href="./upgrading.html">Upgrading</a></li><li><a 
 >href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
 >href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
 >href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
 >href="./migration.html">Migration Guide</a></li><li><a 
 >href="./presentations.html">Presentations</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/x/Bi8lBg";>Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a
 > href="./security.html">Security Reports</a></li><li><a 
 >href="./findhelp.html">Find help</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ";>FAQ</a></li><li><a
 > href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug 
 >Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get 
 >Involved</h2><ul><li><a href="./getinvolved.html">Overview</a></li><li><a 
 >href="./source.html
 ">Source code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/vIPzBQ";>Translations</a></li><li><a 
href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a 
href="https://twitter.com/theapachetomcat";>Twitter</a></li><li><a 
href="https://www.youtube.com/c/ApacheTomcatOfficial";>YouTube</a></li><li><a 
href="https://blogs.apache.org/tomcat/";>Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a
 href="./whoweare.html">Who We Are</a></li><li><a 
href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat";>Swag</a></li><li><a
 href="./heritage.html">Heritage</a></li><li><a 
href="http://www.apache.org";>Apache Home</a></li><li><a 
href="./resources.html">Resources</a></li><li><a 
href="./contact.html">Contact</a></li><li><a 
href="./legal.html">Legal</a></li><li><a 
href="https://privacy.apache.org/policies/privacy-policy-public.html";>Privacy</a></li><li><a
 href="https://www.apache.org/foundation/contributing.html";>S
 upport Apache</a></li><li><a 
href="https://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li><li><a
 href="http://www.apache.org/foundation/thanks.html";>Thanks</a></li><li><a 
href="http://www.apache.org/licenses/";>License</a></li></ul></div></nav></div></div><div
 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
 <ul><li><a href="#General">General</a></li><li><a 
href="#Migrating_from_10.1.x_to_11.0.x">Migrating from 10.1.x to 
11.0.x</a><ol><li><a href="#Java_21_required">Java 21 required</a></li><li><a 
href="#Specification_APIs">Specification APIs</a></li><li><a 
href="#Servlet_6.1_API">Servlet 6.1 API</a></li><li><a href="#Pages_4.0">Pages 
4.0</a></li><li><a href="#Expression_Language_6.0">Expression Language 
6.0</a></li><li><a href="#WebSocket_TBD">WebSocket TBD</a></li><li><a 
href="#Authentication_TBD">Authentication TBD</a></li><li><a 
href="#Internal_APIs">Internal APIs</a></li></ol></li><li><a 
href="#Upgrading_11.0.x">Upgrading 11.0.x</a><ol><li><a 
href="#Tomcat_11.0.x_noteable_changes">Tomcat 11.0.x noteable 
changes</a></li><li><a 
href="#Tomcat_11.0.x_configuration_file_differences">Tomcat 11.0.x 
configuration file differences</a></li></ol></li></ul>
 </div><h3 id="General">General</h3><div class="text">
 

Modified: tomcat/site/trunk/docs/migration-6.html
URL: 
http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-6.html?rev=1917847&r1=1917846&r2=1917847&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-6.html (original)
+++ tomcat/site/trunk/docs/migration-6.html Tue May 21 08:23:45 2024
@@ -1,5 +1,5 @@
 <!DOCTYPE html SYSTEM "about:legacy-compat">
-<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
6.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/Su
 pportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a 
href="https://tomcat.apa
 che.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li>
 <li><a href="./upgrading.html">Upgrading</a></li><li><a 
href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
href="./native-1.2-doc/index.html">Tomcat Native 1.2</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
href="./migration.html">Migration Guide</a></li><li><a 
href="./presentations.html">Presentations</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/Bi8lBg";>Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a
 href="./security.html">Security Reports</a></li><li><a 
href="./findhelp.html">Find help</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ";>FAQ</a></li><li><a
 href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug 
Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get 
Involved</h2><ul><li><a hr
 ef="./getinvolved.html">Overview</a></li><li><a href="./source.html">Source 
code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/vIPzBQ";>Translations</a></li><li><a 
href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a 
href="https://twitter.com/theapachetomcat";>Twitter</a></li><li><a 
href="https://www.youtube.com/c/ApacheTomcatOfficial";>YouTube</a></li><li><a 
href="https://blogs.apache.org/tomcat/";>Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a
 href="./whoweare.html">Who We Are</a></li><li><a 
href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat";>Swag</a></li><li><a
 href="./heritage.html">Heritage</a></li><li><a 
href="http://www.apache.org";>Apache Home</a></li><li><a 
href="./resources.html">Resources</a></li><li><a 
href="./contact.html">Contact</a></li><li><a 
href="./legal.html">Legal</a></li><li><a 
href="https://privacy.apache.org/policies/privacy-policy-public.html";>Privacy</a></li>
 <li><a href="https://www.apache.org/foundation/contributing.html";>Support 
Apache</a></li><li><a 
href="https://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li><li><a
 href="http://www.apache.org/foundation/thanks.html";>Thanks</a></li><li><a 
href="http://www.apache.org/licenses/";>License</a></li></ul></div></nav></div></div><div
 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
+<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
6.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/Su
 pportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a 
href="https://tomcat.apa
 che.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li>
 <li><a href="./upgrading.html">Upgrading</a></li><li><a 
href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
href="./migration.html">Migration Guide</a></li><li><a 
href="./presentations.html">Presentations</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/Bi8lBg";>Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a
 href="./security.html">Security Reports</a></li><li><a 
href="./findhelp.html">Find help</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ";>FAQ</a></li><li><a
 href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug 
Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get 
Involved</h2><ul><li><a href="./getinvolved.html">Overview</a></li><li><a 
href="./source.html"
 >Source code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/x/vIPzBQ";>Translations</a></li><li><a
 > href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a 
 >href="https://twitter.com/theapachetomcat";>Twitter</a></li><li><a 
 >href="https://www.youtube.com/c/ApacheTomcatOfficial";>YouTube</a></li><li><a 
 >href="https://blogs.apache.org/tomcat/";>Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a
 > href="./whoweare.html">Who We Are</a></li><li><a 
 >href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat";>Swag</a></li><li><a
 > href="./heritage.html">Heritage</a></li><li><a 
 >href="http://www.apache.org";>Apache Home</a></li><li><a 
 >href="./resources.html">Resources</a></li><li><a 
 >href="./contact.html">Contact</a></li><li><a 
 >href="./legal.html">Legal</a></li><li><a 
 >href="https://privacy.apache.org/policies/privacy-policy-public.html";>Privacy</a></li><li><a
 > href="https://www.apache.org/foundation/contributing.html";>Su
 pport Apache</a></li><li><a 
href="https://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li><li><a
 href="http://www.apache.org/foundation/thanks.html";>Thanks</a></li><li><a 
href="http://www.apache.org/licenses/";>License</a></li></ul></div></nav></div></div><div
 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
 <ul><li><a href="#General">General</a></li><li><a 
href="#Migrating_from_5.5.x_to_6.0.x">Migrating from 5.5.x to 
6.0.x</a><ol><li><a href="#Java_5_required">Java 5 required</a></li><li><a 
href="#Modified_directory_structure">Modified directory structure</a><ol><li><a 
href="#Shared_libraries">Shared libraries</a></li><li><a 
href="#Endorsed_libraries">Endorsed libraries</a></li><li><a 
href="#Default_web_applications">Default web 
applications</a></li></ol></li><li><a href="#Modified_classloading">Modified 
classloading</a></li><li><a 
href="#Internal_Logging_API_package_renaming">Internal Logging API package 
renaming</a></li><li><a 
href="#commons-logging.jar">commons-logging.jar</a></li><li><a 
href="#SSLEnabled_attribute_on_Connector">SSLEnabled attribute on 
Connector</a></li><li><a href="#Connector_thread_pools">Connector thread 
pools</a></li><li><a href="#Clustering_configuration_changes">Clustering 
configuration changes</a></li></ol></li><li><a 
href="#Upgrading_6.0.x">Upgrading 6.0.x</
 a><ol><li><a href="#Tomcat_6.0.x_configuration_file_differences">Tomcat 6.0.x 
configuration file differences</a></li></ol></li></ul>
 </div><h3 id="General">General</h3><div class="text">
 

Modified: tomcat/site/trunk/docs/migration-7.html
URL: 
http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-7.html?rev=1917847&r1=1917846&r2=1917847&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-7.html (original)
+++ tomcat/site/trunk/docs/migration-7.html Tue May 21 08:23:45 2024
@@ -1,5 +1,5 @@
 <!DOCTYPE html SYSTEM "about:legacy-compat">
-<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
7.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/Su
 pportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a 
href="https://tomcat.apa
 che.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li>
 <li><a href="./upgrading.html">Upgrading</a></li><li><a 
href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
href="./native-1.2-doc/index.html">Tomcat Native 1.2</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
href="./migration.html">Migration Guide</a></li><li><a 
href="./presentations.html">Presentations</a></li><li><a 
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type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
7.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
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src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
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href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
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 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
 <ul><li><a href="#General">General</a></li><li><a 
href="#Migrating_from_6.0.x_to_7.0.x">Migrating from 6.0.x to 
7.0.x</a><ol><li><a href="#Java_6_required">Java 6 required</a></li><li><a 
href="#Servlet_3.0_API">Servlet 3.0 API</a></li><li><a 
href="#Regular_expressions">Regular expressions</a></li><li><a 
href="#Deployment">Deployment</a></li><li><a 
href="#Manager_application">Manager application</a></li><li><a 
href="#Host_Manager_application">Host Manager application</a></li><li><a 
href="#Session_manager_configuration">Session manager 
configuration</a></li><li><a href="#Session_cookie_configuration">Session 
cookie configuration</a></li><li><a href="#Cookies">Cookies</a></li><li><a 
href="#Request_attributes">Request attributes</a></li><li><a 
href="#Comet">Comet</a></li><li><a href="#XML_validation">XML 
validation</a></li><li><a href="#System_properties">System 
properties</a></li><li><a href="#Processing_of_conf/web.xml_file">Processing of 
conf/web.xml file</a></li><li><a href="#Welcom
 e_files_processing">Welcome files processing</a></li><li><a 
href="#Annotation_scanning">Annotation scanning</a></li><li><a 
href="#TLD_processing">TLD processing</a></li><li><a 
href="#Internal_APIs">Internal APIs</a></li><li><a href="#JSP_compiler">JSP 
compiler</a></li></ol></li><li><a href="#Upgrading_7.0.x">Upgrading 
7.0.x</a><ol><li><a href="#Tomcat_7.0.x_noteable_changes">Tomcat 7.0.x noteable 
changes</a></li><li><a 
href="#Tomcat_7.0.x_configuration_file_differences">Tomcat 7.0.x configuration 
file differences</a></li></ol></li></ul>
 </div><h3 id="General">General</h3><div class="text">
 

Modified: tomcat/site/trunk/docs/migration-8.html
URL: 
http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-8.html?rev=1917847&r1=1917846&r2=1917847&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-8.html (original)
+++ tomcat/site/trunk/docs/migration-8.html Tue May 21 08:23:45 2024
@@ -1,5 +1,5 @@
 <!DOCTYPE html SYSTEM "about:legacy-compat">
-<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
8.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
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class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/Su
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href="./whichversion.html">Which version?</a></li><li><a 
href="https://tomcat.apa
 che.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
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href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
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 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
+<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
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class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/Su
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href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
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 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
 <ul><li><a href="#General">General</a></li><li><a 
href="#Migrating_from_7.0.x_to_8.0.x">Migrating from 7.0.x to 
8.0.x</a><ol><li><a href="#Java_7_required">Java 7 required</a></li><li><a 
href="#Specification_APIs">Specification APIs</a></li><li><a 
href="#Servlet_3.1_API">Servlet 3.1 API</a></li><li><a 
href="#JavaServer_Pages_2.3">JavaServer Pages 2.3</a></li><li><a 
href="#Jar_Scanning">Jar Scanning</a></li><li><a 
href="#Default_connector_implementation">Default connector 
implementation</a></li><li><a href="#URIEncoding">Default URL 
encoding</a></li><li><a href="#Realms">Realms</a></li><li><a 
href="#Web_application_resources">Web application resources</a></li><li><a 
href="#Database_Connection_Pooling">Database Connection Pooling</a></li><li><a 
href="#Clustering">Clustering</a></li><li><a 
href="#Debugging">Debugging</a></li><li><a href="#Internal_APIs">Internal 
APIs</a></li><li><a href="#Deployment">Deployment</a></li></ol></li><li><a 
href="#Upgrading_8.0.x">Upgrading 8.0.x</a><ol><li
 ><a href="#Tomcat_8.0.x_noteable_changes">Tomcat 8.0.x noteable 
 >changes</a></li><li><a 
 >href="#Tomcat_8.0.x_configuration_file_differences">Tomcat 8.0.x 
 >configuration file differences</a></li></ol></li></ul>
 </div><h3 id="General">General</h3><div class="text">
 

Modified: tomcat/site/trunk/docs/migration-85.html
URL: 
http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-85.html?rev=1917847&r1=1917846&r2=1917847&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-85.html (original)
+++ tomcat/site/trunk/docs/migration-85.html Tue May 21 08:23:45 2024
@@ -1,5 +1,5 @@
 <!DOCTYPE html SYSTEM "about:legacy-compat">
-<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
8.5.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/Su
 pportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a 
href="https://tomcat.apa
 che.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li>
 <li><a href="./upgrading.html">Upgrading</a></li><li><a 
href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
href="./native-1.2-doc/index.html">Tomcat Native 1.2</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
href="./migration.html">Migration Guide</a></li><li><a 
href="./presentations.html">Presentations</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/Bi8lBg";>Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a
 href="./security.html">Security Reports</a></li><li><a 
href="./findhelp.html">Find help</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ";>FAQ</a></li><li><a
 href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug 
Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get 
Involved</h2><ul><li><a hr
 ef="./getinvolved.html">Overview</a></li><li><a href="./source.html">Source 
code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/vIPzBQ";>Translations</a></li><li><a 
href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a 
href="https://twitter.com/theapachetomcat";>Twitter</a></li><li><a 
href="https://www.youtube.com/c/ApacheTomcatOfficial";>YouTube</a></li><li><a 
href="https://blogs.apache.org/tomcat/";>Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a
 href="./whoweare.html">Who We Are</a></li><li><a 
href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat";>Swag</a></li><li><a
 href="./heritage.html">Heritage</a></li><li><a 
href="http://www.apache.org";>Apache Home</a></li><li><a 
href="./resources.html">Resources</a></li><li><a 
href="./contact.html">Contact</a></li><li><a 
href="./legal.html">Legal</a></li><li><a 
href="https://privacy.apache.org/policies/privacy-policy-public.html";>Privacy</a></li>
 <li><a href="https://www.apache.org/foundation/contributing.html";>Support 
Apache</a></li><li><a 
href="https://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li><li><a
 href="http://www.apache.org/foundation/thanks.html";>Thanks</a></li><li><a 
href="http://www.apache.org/licenses/";>License</a></li></ul></div></nav></div></div><div
 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
+<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
8.5.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/Su
 pportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a 
href="https://tomcat.apa
 che.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li>
 <li><a href="./upgrading.html">Upgrading</a></li><li><a 
href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
href="./migration.html">Migration Guide</a></li><li><a 
href="./presentations.html">Presentations</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/Bi8lBg";>Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a
 href="./security.html">Security Reports</a></li><li><a 
href="./findhelp.html">Find help</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ";>FAQ</a></li><li><a
 href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug 
Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get 
Involved</h2><ul><li><a href="./getinvolved.html">Overview</a></li><li><a 
href="./source.html"
 >Source code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a 
 >href="https://cwiki.apache.org/confluence/x/vIPzBQ";>Translations</a></li><li><a
 > href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a 
 >href="https://twitter.com/theapachetomcat";>Twitter</a></li><li><a 
 >href="https://www.youtube.com/c/ApacheTomcatOfficial";>YouTube</a></li><li><a 
 >href="https://blogs.apache.org/tomcat/";>Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a
 > href="./whoweare.html">Who We Are</a></li><li><a 
 >href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat";>Swag</a></li><li><a
 > href="./heritage.html">Heritage</a></li><li><a 
 >href="http://www.apache.org";>Apache Home</a></li><li><a 
 >href="./resources.html">Resources</a></li><li><a 
 >href="./contact.html">Contact</a></li><li><a 
 >href="./legal.html">Legal</a></li><li><a 
 >href="https://privacy.apache.org/policies/privacy-policy-public.html";>Privacy</a></li><li><a
 > href="https://www.apache.org/foundation/contributing.html";>Su
 pport Apache</a></li><li><a 
href="https://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li><li><a
 href="http://www.apache.org/foundation/thanks.html";>Thanks</a></li><li><a 
href="http://www.apache.org/licenses/";>License</a></li></ul></div></nav></div></div><div
 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
 <ul><li><a href="#General">General</a></li><li><a 
href="#Migrating_from_8.0.x_to_8.5.x">Migrating from 8.0.x to 
8.5.x</a><ol><li><a href="#BIO_connector_removed">BIO connector 
removed</a></li><li><a href="#HTTP_connector_changes">HTTP connector 
changes</a></li><li><a href="#Comet_support_removed">Comet support 
removed</a></li><li><a href="#HTTP/2_support_added">HTTP/2 support 
added</a></li><li><a 
href="#TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual 
hosting and multiple certificate support added</a></li><li><a 
href="#Internal_APIs">Internal APIs</a></li><li><a 
href="#JSR-77_implementation_removed">JSR-77 implementation 
removed</a></li><li><a href="#Clustering">Clustering</a></li><li><a 
href="#InstanceListener_removed">InstanceListener removed</a></li><li><a 
href="#SessionManager">SessionManager</a></li><li><a 
href="#Cookies">Cookies</a></li><li><a href="#Web_applications">Web 
applications</a></li><li><a href="#Context_configurations">Context 
configurations</
 a></li></ol></li><li><a href="#Upgrading_8.5.x">Upgrading 8.5.x</a><ol><li><a 
href="#Tomcat_8.5.x_noteable_changes">Tomcat 8.5.x noteable 
changes</a></li><li><a 
href="#Tomcat_8.5.x_configuration_file_differences">Tomcat 8.5.x configuration 
file differences</a></li></ol></li></ul>
 </div><h3 id="General">General</h3><div class="text">
 

Modified: tomcat/site/trunk/docs/migration-9.html
URL: 
http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-9.html?rev=1917847&r1=1917846&r2=1917847&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-9.html (original)
+++ tomcat/site/trunk/docs/migration-9.html Tue May 21 08:23:45 2024
@@ -1,5 +1,5 @@
 <!DOCTYPE html SYSTEM "about:legacy-compat">
-<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
9.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/Su
 pportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
href="http://www.apache.org/"; target="_blank" class="pull-left"><img 
src="res/images/asf_logo.svg" class="asf-logo" alt="The Apache Software 
Foundation"></a></div></div></header><main id="middle"><div><div 
id="mainLeft"><div id="nav-wrapper"><form 
action="https://www.google.com/search"; method="get"><div 
class="searchbox"><input value="tomcat.apache.org" name="sitesearch" 
type="hidden"><input aria-label="Search text" placeholder="Search&hellip;" 
required="required" name="q" id="query" 
type="search"><button>GO</button></div></form><div class="asfevents"><a 
class="acevent" data-format="square" 
data-width="150"></a></div><nav><div><h2>Apache Tomcat</h2><ul><li><a 
href="./index.html">Home</a></li><li><a 
href="./taglibs.html">Taglibs</a></li><li><a href="./maven-plugin.html">Maven 
Plugin</a></li></ul></div><div><h2>Download</h2><ul><li><a 
href="./whichversion.html">Which version?</a></li><li><a 
href="https://tomcat.apa
 che.org/download-11.cgi">Tomcat 11 (alpha)</a></li><li><a 
href="https://tomcat.apache.org/download-10.cgi";>Tomcat 10</a></li><li><a 
href="https://tomcat.apache.org/download-90.cgi";>Tomcat 9</a></li><li><a 
href="https://tomcat.apache.org/download-80.cgi";>Tomcat 8</a></li><li><a 
href="https://tomcat.apache.org/download-migration.cgi";>Tomcat Migration Tool 
for Jakarta EE</a></li><li><a 
href="https://tomcat.apache.org/download-connectors.cgi";>Tomcat 
Connectors</a></li><li><a 
href="https://tomcat.apache.org/download-native.cgi";>Tomcat 
Native</a></li><li><a 
href="https://tomcat.apache.org/download-taglibs.cgi";>Taglibs</a></li><li><a 
href="https://archive.apache.org/dist/tomcat/";>Archives</a></li></ul></div><div><h2>Documentation</h2><ul><li><a
 href="./tomcat-11.0-doc/index.html">Tomcat 11.0 (alpha)</a></li><li><a 
href="./tomcat-10.1-doc/index.html">Tomcat 10.1</a></li><li><a 
href="./tomcat-9.0-doc/index.html">Tomcat 9.0</a></li><li><a 
href="./tomcat-8.5-doc/index.html">Tomcat 8.5</a></li>
 <li><a href="./upgrading.html">Upgrading</a></li><li><a 
href="./connectors-doc/index.html">Tomcat Connectors</a></li><li><a 
href="./native-doc/index.html">Tomcat Native 2</a></li><li><a 
href="./native-1.3-doc/index.html">Tomcat Native 1.3</a></li><li><a 
href="./native-1.2-doc/index.html">Tomcat Native 1.2</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT";>Wiki</a></li><li><a 
href="./migration.html">Migration Guide</a></li><li><a 
href="./presentations.html">Presentations</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/Bi8lBg";>Specifications</a></li></ul></div><div><h2>Problems?</h2><ul><li><a
 href="./security.html">Security Reports</a></li><li><a 
href="./findhelp.html">Find help</a></li><li><a 
href="https://cwiki.apache.org/confluence/display/TOMCAT/FAQ";>FAQ</a></li><li><a
 href="./lists.html">Mailing Lists</a></li><li><a href="./bugreport.html">Bug 
Database</a></li><li><a href="./irc.html">IRC</a></li></ul></div><div><h2>Get 
Involved</h2><ul><li><a hr
 ef="./getinvolved.html">Overview</a></li><li><a href="./source.html">Source 
code</a></li><li><a href="./ci.html">Buildbot</a></li><li><a 
href="https://cwiki.apache.org/confluence/x/vIPzBQ";>Translations</a></li><li><a 
href="./tools.html">Tools</a></li></ul></div><div><h2>Media</h2><ul><li><a 
href="https://twitter.com/theapachetomcat";>Twitter</a></li><li><a 
href="https://www.youtube.com/c/ApacheTomcatOfficial";>YouTube</a></li><li><a 
href="https://blogs.apache.org/tomcat/";>Blog</a></li></ul></div><div><h2>Misc</h2><ul><li><a
 href="./whoweare.html">Who We Are</a></li><li><a 
href="https://www.redbubble.com/people/comdev/works/30885254-apache-tomcat";>Swag</a></li><li><a
 href="./heritage.html">Heritage</a></li><li><a 
href="http://www.apache.org";>Apache Home</a></li><li><a 
href="./resources.html">Resources</a></li><li><a 
href="./contact.html">Contact</a></li><li><a 
href="./legal.html">Legal</a></li><li><a 
href="https://privacy.apache.org/policies/privacy-policy-public.html";>Privacy</a></li>
 <li><a href="https://www.apache.org/foundation/contributing.html";>Support 
Apache</a></li><li><a 
href="https://www.apache.org/foundation/sponsorship.html";>Sponsorship</a></li><li><a
 href="http://www.apache.org/foundation/thanks.html";>Thanks</a></li><li><a 
href="http://www.apache.org/licenses/";>License</a></li></ul></div></nav></div></div><div
 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
+<html lang="en"><head><META http-equiv="Content-Type" content="text/html; 
charset=UTF-8"><meta name="viewport" content="width=device-width, 
initial-scale=1"><link href="res/css/tomcat.css" rel="stylesheet" 
type="text/css"><link href="res/css/fonts/fonts.css" rel="stylesheet" 
type="text/css"><title>Apache Tomcat&reg; - Migration Guide - Tomcat 
9.0.x</title><meta name="author" content="Apache Tomcat Project"><script 
src="https://www.apachecon.com/event-images/snippet.js";></script></head><body><div
 id="wrapper"><header id="header"><div class="clearfix"><div 
class="menu-toggler pull-left" tabindex="1"><div 
class="hamburger"></div></div><a href="http://tomcat.apache.org/";><img 
class="tomcat-logo pull-left noPrint" alt="Tomcat Home" 
src="res/images/tomcat.png"></a><h1 class="pull-left">Apache 
Tomcat<sup>&reg;</sup></h1><div class="asf-logos pull-right"><a 
href="https://www.apache.org/foundation/contributing.html"; target="_blank" 
class="pull-left"><img src="https://www.apache.org/images/Su
 pportApache-small.png" class="support-asf" alt="Support Apache"></a><a 
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 id="mainRight"><div id="content"><h2 style="display: none;">Content</h2><h3 
id="Table_of_Contents">Table of Contents</h3><div class="text">
 <ul><li><a href="#General">General</a></li><li><a 
href="#Migrating_from_8.0.x_or_8.5.x_to_9.0.x">Migrating from 8.0.x or 8.5.x to 
9.0.x</a><ol><li><a href="#Java_8_required">Java 8 required</a></li><li><a 
href="#Specification_APIs">Specification APIs</a></li><li><a 
href="#Servlet_4.0_API">Servlet 4.0 API</a></li><li><a 
href="#JavaServer_Pages_2.3">JavaServer Pages 2.3</a></li><li><a 
href="#Expression_Language_3.0">Expression Language 3.0</a></li><li><a 
href="#WebSocket_1.1">WebSocket 1.1</a></li><li><a 
href="#BIO_connector_removed">BIO connector removed</a></li><li><a 
href="#Comet_support_removed">Comet support removed</a></li><li><a 
href="#HTTP/2_support_added">HTTP/2 support added</a></li><li><a 
href="#TLS_virtual_hosting_and_multiple_certificate_support_added">TLS virtual 
hosting and multiple certificate support added</a></li><li><a 
href="#Internal_APIs">Internal APIs</a></li><li><a 
href="#JSR-77_implementation_removed">JSR-77 implementation 
removed</a></li><li><a href="#Clusteri
 ng">Clustering</a></li><li><a 
href="#InstanceListener_removed">InstanceListener removed</a></li><li><a 
href="#SessionManager">SessionManager</a></li><li><a 
href="#Cookies">Cookies</a></li><li><a href="#Web_applications">Web 
applications</a></li><li><a href="#Engine_and_Host_configurations">Engine and 
Host configurations</a></li><li><a href="#Context_configurations">Context 
configurations</a></li><li><a href="#Logging">Logging</a></li></ol></li><li><a 
href="#Upgrading_9.0.x">Upgrading 9.0.x</a><ol><li><a 
href="#Tomcat_9.0.x_noteable_changes">Tomcat 9.0.x noteable 
changes</a></li><li><a 
href="#Tomcat_9.0.x_configuration_file_differences">Tomcat 9.0.x configuration 
file differences</a></li></ol></li></ul>
 </div><h3 id="General">General</h3><div class="text">
 



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