diff --git a/headless-services/jdt-ls-extension/org.springframework.tooling.jdt.ls.extension/src/org/springframework/tooling/jdt/ls/extension/JavadocHoverLinkHandler.java b/headless-services/jdt-ls-extension/org.springframework.tooling.jdt.ls.extension/src/org/springframework/tooling/jdt/ls/extension/JavadocHoverLinkHandler.java
index d4f717279..56836b45f 100644
--- a/headless-services/jdt-ls-extension/org.springframework.tooling.jdt.ls.extension/src/org/springframework/tooling/jdt/ls/extension/JavadocHoverLinkHandler.java
+++ b/headless-services/jdt-ls-extension/org.springframework.tooling.jdt.ls.extension/src/org/springframework/tooling/jdt/ls/extension/JavadocHoverLinkHandler.java
@@ -10,13 +10,14 @@
  *******************************************************************************/
 package org.springframework.tooling.jdt.ls.extension;
 
+import java.lang.reflect.Method;
 import java.net.URI;
 import java.util.List;
 import java.util.Map;
 
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.jdt.core.IJavaElement;
-import org.eclipse.jdt.internal.ui.viewsupport.CoreJavaElementLinks;
+import org.eclipse.jdt.ls.core.internal.javadoc.JavaElementLinks;
 import org.eclipse.jdt.ls.core.internal.IDelegateCommandHandler;
 import org.springframework.tooling.jdt.ls.commons.java.JavaData;
 
@@ -34,7 +35,13 @@ public class JavadocHoverLinkHandler implements IDelegateCommandHandler {
 			if (element != null) {
 				// Bug in JDT server one '(' not encoded while everything else in the query is
 				// encoded
-				return CoreJavaElementLinks.createURI(null, element).replace("(", "%28");
+				try {
+					Class<?> clazz = getClass().getClassLoader().loadClass("org.eclipse.jdt.internal.ui.viewsupport.CoreJavaElementLinks");
+					Method method = clazz.getDeclaredMethod("createURI", String.class, IJavaElement.class);
+					return method.invoke(null, null, element);
+				} catch (Exception e) {
+					return JavaElementLinks.createURI(null, element).replace("(", "%28");
+				}
 			}
 		} catch (Exception e) {
 			JdtLsExtensionPlugin.getInstance().getLog().error("Failed to compute java data for " + bindingKey + " in project " + uri, e);
diff --git a/headless-services/jdt-ls-extension/pom.xml b/headless-services/jdt-ls-extension/pom.xml
index 832c9a8da..2cb12d125 100644
--- a/headless-services/jdt-ls-extension/pom.xml
+++ b/headless-services/jdt-ls-extension/pom.xml
@@ -97,14 +97,14 @@
 		<repository>
 			<id>eclipse-2023-09</id>
 			<layout>p2</layout>
-			<url>https://download.eclipse.org/releases/2024-03</url>
+			<url>https://download.eclipse.org/releases/2023-12</url>
 		</repository>
 
 		<repository>
 			<id>JDT.LS</id>
 			<layout>p2</layout>
 			<!-- <url>${jdt.ls.updatesite}</url> -->
-			<url>https://download.eclipse.org/jdtls/milestones/1.34.0/repository/</url>
+			<url>https://download.eclipse.org/jdtls/milestones/1.30.1/repository/</url>
 <!--			<url>https://download.eclipse.org/jdtls/snapshots/repository/latest/</url> -->
 <!-- The latest JDT LS requires a JDK 17, so we need to run builds on a JDK 17 and raise the minimum level to JDK 17 -->
 <!-- In order to avoid this for the 2022-06-based release, I set the JDK LS version here to the latest milestone that does NOT require JDK 17 yet -->