Index: trunk/build.xml
===================================================================
--- trunk/build.xml	(revision 19376)
+++ trunk/build.xml	(revision 19377)
@@ -105,4 +105,7 @@
         <!-- <condition property="isJava20"><matches string="${ant.java.version}" pattern="[2-9][0-9]" /></condition> -->
         <condition property="isJava21"><matches string="${ant.java.version}" pattern="2[1-9]|[3-9][0-9]" /></condition>
+        <!-- <condition property="isJava22"><matches string="${ant.java.version}" pattern="2[2-9]|[3-9][0-9]" /></condition> -->
+        <!-- <condition property="isJava23"><matches string="${ant.java.version}" pattern="2[3-9]|[3-9][0-9]" /></condition> -->
+        <condition property="isJava24"><matches string="${ant.java.version}" pattern="2[4-9]|[3-9][0-9]" /></condition>
         <!-- Disable jacoco on Java 19+, see https://github.com/jacoco/jacoco/pull/1282 -->
         <condition property="coverageByDefault">
@@ -464,5 +467,5 @@
                         <jvmarg value="-Dfile.encoding=UTF-8"/>
                         <jvmarg value="-Djava.locale.providers=SPI,CLDR" />
-                        <jvmarg value="-Djava.security.manager=allow" if:set="isJava17" />
+                        <jvmarg value="-Djava.security.manager=allow" if:set="isJava17" unless:set="isJava24" />
                         <jvmarg value="-javaagent:${test.dir}/lib/junit5-system-exit.jar" if:set="isJava17"/>
                         <jvmarg value="-javaagent:${test.dir}/lib/jmockit.jar"/>