leshan: fix problem with timestamped data serializer

Signed-off-by: Jonas Remmert <jremmert@gmx.net>
flownexus-lwm2m · Sep 12, 2024 · 6a020ac · 6a020ac
1 parent a835704
commit 6a020ac
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diff --git a/server/leshan/pom.xml b/server/leshan/pom.xml
@@ -63,6 +63,11 @@
             <version>6.1.0</version>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+            <version>2.17.2</version>
+        </dependency>
     </dependencies>
 
     <build>

diff --git a/server/leshan/src/main/java/lwm2m/LeshanSvr.java b/server/leshan/src/main/java/lwm2m/LeshanSvr.java
@@ -56,6 +56,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -96,6 +97,7 @@ public LeshanSvr() {
         module.addSerializer(LwM2mNode.class, new JacksonLwM2mNodeSerializer());
         module.addSerializer(Version.class, new JacksonVersionSerializer());
         mapper.registerModule(module);
+        mapper.registerModule(new JavaTimeModule());
 
         server.getRegistrationService().addListener(new MyRegistrationListener(this));
         server.getObservationService().addListener(new MyObservationListener(this));