diff --git a/bundles/org.openhab.core/src/main/java/org/openhab/core/common/QueueingThreadPoolExecutor.java b/bundles/org.openhab.core/src/main/java/org/openhab/core/common/QueueingThreadPoolExecutor.java
index 2b41501a2..bc71ab206 100644
--- a/bundles/org.openhab.core/src/main/java/org/openhab/core/common/QueueingThreadPoolExecutor.java
+++ b/bundles/org.openhab.core/src/main/java/org/openhab/core/common/QueueingThreadPoolExecutor.java
@@ -30,8 +30,9 @@ import org.slf4j.LoggerFactory;
 /**
  * This is a thread pool executor service, which works as a developer would expect it to work.
  * The default {@link ThreadPoolExecutor} does the following (see
- * <a href="http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/ThreadPoolExecutor.html">the official
- * JavaDoc)</a>:
+ * <a href=
+ * "https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/ThreadPoolExecutor.html">the
+ * official JavaDoc)</a>:
  * <ul>
  * <li>If fewer than corePoolSize threads are running, the Executor always prefers adding a new thread rather than
  * queuing.</li>
diff --git a/bundles/org.openhab.core/src/main/java/org/openhab/core/events/TopicEventFilter.java b/bundles/org.openhab.core/src/main/java/org/openhab/core/events/TopicEventFilter.java
index c336390c0..65e8f4782 100644
--- a/bundles/org.openhab.core/src/main/java/org/openhab/core/events/TopicEventFilter.java
+++ b/bundles/org.openhab.core/src/main/java/org/openhab/core/events/TopicEventFilter.java
@@ -31,7 +31,8 @@ public class TopicEventFilter implements EventFilter {
      * Constructs a new topic event filter.
      *
      * @param topicRegex the regular expression of a topic
-     * @see <a href="http://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html">Java Regex</a>
+     * @see <a href="https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/regex/Pattern.html">Java
+     *      Regex</a>
      */
     public TopicEventFilter(String topicRegex) {
         this.topicRegex = Pattern.compile(topicRegex);