fix_bug_lwm2m: add authorizer to lh server

common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/secure/LwM2mCredentialsSecurityInfoValidator.java

@@ -88,7 +88,7 @@ public class LwM2mCredentialsSecurityInfoValidator {
         }
 
         TbLwM2MSecurityInfo securityInfo = resultSecurityStore[0];
-        if (securityInfo.getSecurityMode() == null) {
+        if (securityInfo != null && securityInfo.getSecurityMode() == null) {
             throw new LwM2MAuthException();
         }
         return securityInfo;

common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/DefaultLwM2mTransportService.java

@@ -125,6 +125,7 @@ public class DefaultLwM2mTransportService implements LwM2MTransportService {
         /* Set securityStore with new registrationStore */
         builder.setSecurityStore(securityStore);
         builder.setRegistrationStore(registrationStore);
+        builder.setAuthorizer(authorizer);
 
 
         // Create Californium Endpoints Provider:

common/transport/lwm2m/src/main/java/org/thingsboard/server/transport/lwm2m/server/client/LwM2mClientContextImpl.java

@@ -141,7 +141,7 @@ public class LwM2mClientContextImpl implements LwM2mClientContext {
             }
             oldSession = client.getSession();
             TbLwM2MSecurityInfo securityInfo = securityStore.getTbLwM2MSecurityInfoByEndpoint(client.getEndpoint());
-            if (securityInfo.getSecurityMode() != null) {
+            if (securityInfo != null && securityInfo.getSecurityMode() != null) {
                 if (SecurityMode.X509.equals(securityInfo.getSecurityMode())) {
                     securityStore.registerX509(registration.getEndpoint(), registration.getId());
                 }