1 files changed, 19 insertions, 9 deletions
diff --git a/src/main/java/org/traccar/schedule/TaskHealthCheck.java b/src/main/java/org/traccar/schedule/TaskHealthCheck.java
index a8c9873ce..a60935f18 100644
--- a/src/main/java/org/traccar/schedule/TaskHealthCheck.java
+++ b/src/main/java/org/traccar/schedule/TaskHealthCheck.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 - 2022 Anton Tananaev (anton@traccar.org)
+ * Copyright 2020 - 2024 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -22,8 +22,8 @@ import org.slf4j.LoggerFactory;
 import org.traccar.config.Config;
 import org.traccar.config.Keys;
 
-import javax.inject.Inject;
-import javax.ws.rs.client.Client;
+import jakarta.inject.Inject;
+import jakarta.ws.rs.client.Client;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 
@@ -34,6 +34,8 @@ public class TaskHealthCheck implements ScheduleTask {
     private final Config config;
     private final Client client;
 
+    private final long gracePeriod = System.currentTimeMillis() + TimeUnit.HOURS.toMillis(1);
+
     private SystemD systemD;
 
     private boolean enabled;
@@ -77,14 +79,22 @@ public class TaskHealthCheck implements ScheduleTask {
     @Override
     public void run() {
         LOGGER.debug("Health check running");
-        int status = client.target(getUrl()).request().get().getStatus();
-        if (status == 200) {
-            int result = systemD.sd_notify(0, "WATCHDOG=1");
-            if (result < 0) {
-                LOGGER.warn("Health check notify error {}", result);
+        if (System.currentTimeMillis() > gracePeriod) {
+            int status = client.target(getUrl()).request().get().getStatus();
+            if (status == 200) {
+                notifyWatchdog();
+            } else {
+                LOGGER.warn("Health check failed with status {}", status);
             }
         } else {
-            LOGGER.warn("Health check failed with status {}", status);
+            notifyWatchdog();
+        }
+    }
+
+    private void notifyWatchdog() {
+        int result = systemD.sd_notify(0, "WATCHDOG=1");
+        if (result < 0) {
+            LOGGER.warn("Health check notify error {}", result);
         }
     }