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Posted to dev@tomcat.apache.org by ma...@apache.org on 2018/12/11 13:51:41 UTC

svn commit: r1848675 - in /tomcat/trunk: java/org/apache/tomcat/util/descriptor/web/ webapps/docs/

Author: markt
Date: Tue Dec 11 13:51:41 2018
New Revision: 1848675

URL: http://svn.apache.org/viewvc?rev=1848675&view=rev
Log:
Implement the requirements of section 8.2.2 2c of the Servlet specification and prevent a web application from deploying if it has fragments with duplicate names and is configured to use relative ordering of fragments.

Modified:
    tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/FragmentJarScannerCallback.java
    tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/LocalStrings.properties
    tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/WebXml.java
    tomcat/trunk/webapps/docs/changelog.xml

Modified: tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/FragmentJarScannerCallback.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/FragmentJarScannerCallback.java?rev=1848675&r1=1848674&r2=1848675&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/FragmentJarScannerCallback.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/FragmentJarScannerCallback.java Tue Dec 11 13:51:41 2018
@@ -84,7 +84,17 @@ public class FragmentJarScannerCallback
                 fragment.setName(fragment.getURL().toString());
             }
             fragment.setJarName(extractJarFileName(jar.getJarFileURL()));
-            fragments.put(fragment.getName(), fragment);
+            if (fragments.containsKey(fragment.getName())) {
+                // Duplicate. Mark the fragment that has already been found with
+                // this name as having a duplicate so Tomcat can handle it
+                // correctly when the fragments are being ordered.
+                String duplicateName = fragment.getName();
+                fragments.get(duplicateName).setDuplicated(true);
+                // Rename the current fragment so it doesn't clash
+                fragment.setName(fragment.getURL().toString());
+            } else {
+                fragments.put(fragment.getName(), fragment);
+            }
         }
     }
 

Modified: tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/LocalStrings.properties
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/LocalStrings.properties?rev=1848675&r1=1848674&r2=1848675&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/LocalStrings.properties [UTF-8] (original)
+++ tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/LocalStrings.properties [UTF-8] Tue Dec 11 13:51:41 2018
@@ -32,6 +32,7 @@ webRuleSet.relativeOrderingCount=<orderi
 
 webXml.duplicateEnvEntry=Duplicate env-entry name [{0}]
 webXml.duplicateFilter=Duplicate filter name [{0}]
+webXml.duplicateFragment=More than one fragment with the name [{0}] was found. This is not legal with relative ordering. See section 8.2.2 2c of the Servlet specification for details. Consider using absolute ordering.
 webXml.duplicateMessageDestination=Duplicate message-destination name [{0}]
 webXml.duplicateMessageDestinationRef=Duplicate message-destination-ref name [{0}]
 webXml.duplicateResourceEnvRef=Duplicate resource-env-ref name [{0}]

Modified: tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/WebXml.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/WebXml.java?rev=1848675&r1=1848674&r2=1848675&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/WebXml.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/util/descriptor/web/WebXml.java Tue Dec 11 13:51:41 2018
@@ -79,6 +79,19 @@ public class WebXml extends XmlEncodingB
         this.overridable = overridable;
     }
 
+    /*
+     * Ideally, fragment names will be unique. If they are not, Tomcat needs
+     * to know as the action that the specification requires (see 8.2.2 1.e and
+     * 2.c) varies depending on the ordering method used.
+     */
+    private boolean duplicated = false;
+    public boolean isDuplicated() {
+        return duplicated;
+    }
+    public void setDuplicated(boolean duplicated) {
+        this.duplicated = duplicated;
+    }
+
     /**
      * web.xml only elements
      * Absolute Ordering
@@ -2237,6 +2250,13 @@ public class WebXml extends XmlEncodingB
                 }
             }
         } else {
+            // Stage 0. Check there were no fragments with duplicate names
+            for (WebXml fragment : fragments.values()) {
+                if (fragment.isDuplicated()) {
+                    throw new IllegalArgumentException(
+                            sm.getString("webXml.duplicateFragment", fragment.getName()));
+                }
+            }
             // Stage 1. Make all dependencies bi-directional - this makes the
             //          next stage simpler.
             for (WebXml fragment : fragments.values()) {

Modified: tomcat/trunk/webapps/docs/changelog.xml
URL: http://svn.apache.org/viewvc/tomcat/trunk/webapps/docs/changelog.xml?rev=1848675&r1=1848674&r2=1848675&view=diff
==============================================================================
--- tomcat/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/trunk/webapps/docs/changelog.xml Tue Dec 11 13:51:41 2018
@@ -50,6 +50,12 @@
       <fix>
         <bug>63002</bug>: Fix setting rewrite qsdiscard flag. (remm)
       </fix>
+      <fix>
+        Implement the requirements of section 8.2.2 2c of the Servlet
+        specification and prevent a web application from deploying if it has
+        fragments with duplicate names and is configured to use relative
+        ordering of fragments. (markt)
+      </fix>
     </changelog>
   </subsection>
 </section>



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