[tomcat] branch master updated: Fix use of useInstanceManagerForTags with Tags that are inner classes

[markt]

This is an automated email from the ASF dual-hosted git repository.

markt pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/tomcat.git


The following commit(s) were added to refs/heads/master by this push:
     new cb2e625  Fix use of useInstanceManagerForTags with Tags that are inner 
classes
cb2e625 is described below

commit cb2e625b55e66d55452b9e67d98b5ec5727f8754
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Wed Apr 21 15:22:11 2021 +0100

    Fix use of useInstanceManagerForTags with Tags that are inner classes
---
 java/org/apache/jasper/compiler/Generator.java | 11 ++++++-----
 webapps/docs/changelog.xml                     |  5 +++++
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/java/org/apache/jasper/compiler/Generator.java 
b/java/org/apache/jasper/compiler/Generator.java
index 1fd19d9..b7ad241 100644
--- a/java/org/apache/jasper/compiler/Generator.java
+++ b/java/org/apache/jasper/compiler/Generator.java
@@ -2403,7 +2403,7 @@ class Generator {
                 out.print(tagHandlerVar);
                 out.println("_reused = false;");
             } else {
-                writeNewInstance(tagHandlerVar, tagHandlerClassName);
+                writeNewInstance(tagHandlerVar, tagHandlerClass);
             }
 
             // Wrap use of tag in try/finally to ensure clean-up takes place
@@ -2480,7 +2480,8 @@ class Generator {
             n.setEndJavaLine(out.getJavaLine());
         }
 
-        private void writeNewInstance(String tagHandlerVar, String 
tagHandlerClassName) {
+        private void writeNewInstance(String tagHandlerVar, Class<?> 
tagHandlerClass) {
+            String tagHandlerClassName = tagHandlerClass.getCanonicalName();
             out.printin(tagHandlerClassName);
             out.print(" ");
             out.print(tagHandlerVar);
@@ -2490,7 +2491,8 @@ class Generator {
                 out.print(tagHandlerClassName);
                 out.print(")");
                 out.print("_jsp_getInstanceManager().newInstance(\"");
-                out.print(tagHandlerClassName);
+                // Need the binary name here, not the canonical name
+                out.print(tagHandlerClass.getName());
                 out.println("\", this.getClass().getClassLoader());");
             } else {
                 out.print("new ");
@@ -2647,8 +2649,7 @@ class Generator {
             // Declare AT_END scripting variables
             declareScriptingVars(n, VariableInfo.AT_END);
 
-            String tagHandlerClassName = tagHandlerClass.getCanonicalName();
-            writeNewInstance(tagHandlerVar, tagHandlerClassName);
+            writeNewInstance(tagHandlerVar, tagHandlerClass);
 
             out.printil("try {");
             out.pushIndent();
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index dc81afa..e92e1a7 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -145,6 +145,11 @@
         makes it possible to define a <code>&lt;jsp-file&gt;</code> that will
         not be loaded at start-up. (markt)
       </update>
+      <fix>
+        Allow the JSP configuration option
+        <code>useInstanceManagerForTags</code> to be used with Tags that are
+        implemented as inner classes. (markt)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Web applications">

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