From c83c3257bbbd76f58d632bbb70b969340c5f420d Mon Sep 17 00:00:00 2001
From: Meher Srujana Matcha <mehersrujana.matcha@ibm.com>
Date: Tue, 29 Sep 2026 16:12:47 +0100
Subject: [PATCH] Disable AppCDS on Java 26+ (#4511)

---
 src/javaServerStarter.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/javaServerStarter.ts b/src/javaServerStarter.ts
index b92d4b3dd..2ed16972a 100644
--- a/src/javaServerStarter.ts
+++ b/src/javaServerStarter.ts
@@ -304,7 +304,7 @@ function prepareParams(requirements: RequirementsData, workspacePath, context: E
 
 		ensureExists(globalStoragePath);
 		const sharedArchiveLocation = path.join(globalStoragePath, "jdtls.jsa");
-		if (useAppCDS && vmargs.indexOf(SHARED_ARCHIVE_FILE_LOC) < 0 && !hasJDWP) {
+		if (useAppCDS && vmargs.indexOf(SHARED_ARCHIVE_FILE_LOC) < 0 && !hasJDWP && requirements.tooling_jre_version < 26) {
 			params.push(UNLOCK_DIAGNOSTIC_VM_OPTIONS);
 			params.push(ALLOW_ARCHIVING_WITH_JAVA_AGENT); // required due to use of '-javaagent'
 			params.push(AUTO_CREATE_SHARED_ARCHIVE);