This is an automated email from the ASF dual-hosted git repository.
markt pushed a commit to branch 9.0.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/9.0.x by this push:
new 7ea07ebf49 Add Java 21 source/target support for JSPs (if JDT version
supports it)
7ea07ebf49 is described below
commit 7ea07ebf49dcf8003c5990c3a1bb8920556a02f9
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Fri Jan 6 11:46:53 2023 +0000
Add Java 21 source/target support for JSPs (if JDT version supports it)
---
java/org/apache/jasper/compiler/JDTCompiler.java | 11 +++++++++++
webapps/docs/changelog.xml | 7 +++++++
2 files changed, 18 insertions(+)
diff --git a/java/org/apache/jasper/compiler/JDTCompiler.java
b/java/org/apache/jasper/compiler/JDTCompiler.java
index 6c6831f5c0..bfff4efe1f 100644
--- a/java/org/apache/jasper/compiler/JDTCompiler.java
+++ b/java/org/apache/jasper/compiler/JDTCompiler.java
@@ -331,6 +331,11 @@ public class JDTCompiler extends
org.apache.jasper.compiler.Compiler {
// Java 8.
// This is checked against the actual version below.
settings.put(CompilerOptions.OPTION_Source, "20");
+ } else if (opt.equals("21")) {
+ // Constant not available in latest ECJ version that runs on
+ // Java 8.
+ // This is checked against the actual version below.
+ settings.put(CompilerOptions.OPTION_Source, "21");
} else {
log.warn(Localizer.getMessage("jsp.warning.unknown.sourceVM",
opt));
settings.put(CompilerOptions.OPTION_Source,
CompilerOptions.VERSION_1_8);
@@ -413,6 +418,12 @@ public class JDTCompiler extends
org.apache.jasper.compiler.Compiler {
// This is checked against the actual version below.
settings.put(CompilerOptions.OPTION_TargetPlatform, "20");
settings.put(CompilerOptions.OPTION_Compliance, "20");
+ } else if (opt.equals("21")) {
+ // Constant not available in latest ECJ version that runs on
+ // Java 8.
+ // This is checked against the actual version below.
+ settings.put(CompilerOptions.OPTION_TargetPlatform, "21");
+ settings.put(CompilerOptions.OPTION_Compliance, "21");
} else {
log.warn(Localizer.getMessage("jsp.warning.unknown.targetVM",
opt));
settings.put(CompilerOptions.OPTION_TargetPlatform,
CompilerOptions.VERSION_1_8);
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index 2fa8432b47..46f3e71b59 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -153,6 +153,13 @@
is already called from within a privileged block and skipping the
unnecessary privileged block improves performance. (markt)
</fix>
+ <add>
+ Add support for specifying Java 21 (with the value <code>21</code>) as
+ the compiler source and/or compiler target for JSP compilation. If used
+ with an Eclipse JDT compiler version that does not support these
values,
+ a warning will be logged and the default will used.
+ (markt)
+ </add>
</changelog>
</subsection>
<subsection name="Other">
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