Author: markt
Date: Mon Sep  8 13:22:45 2014
New Revision: 1623387

URL: http://svn.apache.org/r1623387
Log:
Add a not about the changes introduced to fix bug 55943.

Modified:
    tomcat/site/trunk/docs/migration-7.html
    tomcat/site/trunk/xdocs/migration-7.xml

Modified: tomcat/site/trunk/docs/migration-7.html
URL: 
http://svn.apache.org/viewvc/tomcat/site/trunk/docs/migration-7.html?rev=1623387&r1=1623386&r2=1623387&view=diff
==============================================================================
--- tomcat/site/trunk/docs/migration-7.html (original)
+++ tomcat/site/trunk/docs/migration-7.html Mon Sep  8 13:22:45 2014
@@ -265,6 +265,9 @@
 <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>
@@ -953,13 +956,25 @@ of Apache Tomcat.</p>
 <h3 id="Upgrading_7.0.x">Upgrading 7.0.x</h3>
 <div class="text">
   
-<p>When upgrading instances of Apache Tomcat from one version of Tomcat 7 to
-  another, particularly when using separate locations for $CATALINA_HOME and
-  $CATALINA_BASE, it is necessary to ensure that any changes in the
-  configuration files such as new attributes and changes to defaults are 
applied
-  as part of the upgrade. To assist with the identification of these changes,
-  the form below may be used to view the differences between the configuration
-  files in different versions of Tomcat 7.</p>
+<div class="subsection">
+<h4 id="Tomcat_7.0.x_noteable_changes">Tomcat 7.0.x noteable changes</h4>
+<div class="text">
+    
+<p>The Tomcat developers aim for each patch release to be fully backwards
+       compatible with the previous release.  Occassionally, it is necessary to
+       break backwards compatibility in order to fix a bug. In most cases, 
these
+       changes will go unnoticed. This section lists changes that are not fully
+       backwards compatible and might cause breakage when upgrading.</p>
+    
+<ul>
+      
+<li>In 7.0.51 onwards, the web application class loader is now a higher
+          priority for loading classes than the system class loader.</li>
+    
+</ul>
+  
+</div>
+</div>
   
   
 <div class="subsection">
@@ -967,6 +982,15 @@ of Apache Tomcat.</p>
 <div class="text">
 
     
+<p>When upgrading instances of Apache Tomcat from one version of Tomcat 7 to
+    another, particularly when using separate locations for $CATALINA_HOME and
+    $CATALINA_BASE, it is necessary to ensure that any changes in the
+    configuration files such as new attributes and changes to defaults are
+    applied as part of the upgrade. To assist with the identification of these
+    changes, the form below may be used to view the differences between the
+    configuration files in different versions of Tomcat 7.</p>
+  
+    
 <p>Select a configuration file, old version and new version from the boxes
     below and then click "View differences" to see the differences.
     The differences will be shown in a new tab/window.</p>

Modified: tomcat/site/trunk/xdocs/migration-7.xml
URL: 
http://svn.apache.org/viewvc/tomcat/site/trunk/xdocs/migration-7.xml?rev=1623387&r1=1623386&r2=1623387&view=diff
==============================================================================
--- tomcat/site/trunk/xdocs/migration-7.xml (original)
+++ tomcat/site/trunk/xdocs/migration-7.xml Mon Sep  8 13:22:45 2014
@@ -463,16 +463,28 @@ of Apache Tomcat.</p>
 </section>
 
 <section name="Upgrading 7.0.x">
-  <p>When upgrading instances of Apache Tomcat from one version of Tomcat 7 to
-  another, particularly when using separate locations for $CATALINA_HOME and
-  $CATALINA_BASE, it is necessary to ensure that any changes in the
-  configuration files such as new attributes and changes to defaults are 
applied
-  as part of the upgrade. To assist with the identification of these changes,
-  the form below may be used to view the differences between the configuration
-  files in different versions of Tomcat 7.</p>
+  <subsection name="Tomcat 7.0.x noteable changes">
+    <p>The Tomcat developers aim for each patch release to be fully backwards
+       compatible with the previous release.  Occassionally, it is necessary to
+       break backwards compatibility in order to fix a bug. In most cases, 
these
+       changes will go unnoticed. This section lists changes that are not fully
+       backwards compatible and might cause breakage when upgrading.</p>
+    <ul>
+      <li>In 7.0.51 onwards, the web application class loader is now a higher
+          priority for loading classes than the system class loader.</li>
+    </ul>
+  </subsection>
   
   <subsection name="Tomcat 7.0.x configuration file differences">
 
+    <p>When upgrading instances of Apache Tomcat from one version of Tomcat 7 
to
+    another, particularly when using separate locations for $CATALINA_HOME and
+    $CATALINA_BASE, it is necessary to ensure that any changes in the
+    configuration files such as new attributes and changes to defaults are
+    applied as part of the upgrade. To assist with the identification of these
+    changes, the form below may be used to view the differences between the
+    configuration files in different versions of Tomcat 7.</p>
+  
     <p>Select a configuration file, old version and new version from the boxes
     below and then click &quot;View differences&quot; to see the differences.
     The differences will be shown in a new tab/window.</p>



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