fix(rest-api): handle missing account in ServiceConfigurations to p…

…revent NPE

Throw `KapuaEntityNotFoundException` when `Account` is not found for given `scopeId` in `ServiceConfigurations` resource. This prevents `NullPointerException` when `scopeId` does not match any account.

rest-api/resources/src/main/java/org/eclipse/kapua/app/api/resources/v1/resources/ServiceConfigurations.java

@@ -12,6 +12,22 @@
  *******************************************************************************/
 package org.eclipse.kapua.app.api.resources.v1.resources;
 
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+import javax.inject.Inject;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.GET;
+import javax.ws.rs.PUT;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import org.eclipse.kapua.KapuaEntityNotFoundException;
 import org.eclipse.kapua.KapuaException;
 import org.eclipse.kapua.app.api.core.model.ScopeId;
 import org.eclipse.kapua.app.api.core.resources.AbstractKapuaResource;
@@ -26,21 +42,6 @@
 import org.eclipse.kapua.service.config.ServiceConfiguration;
 import org.eclipse.kapua.service.config.ServiceConfigurationFactory;
 
-import javax.inject.Inject;
-import javax.ws.rs.Consumes;
-import javax.ws.rs.GET;
-import javax.ws.rs.PUT;
-import javax.ws.rs.Path;
-import javax.ws.rs.PathParam;
-import javax.ws.rs.Produces;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-
 @Path("{scopeId}/serviceConfigurations")
 public class ServiceConfigurations extends AbstractKapuaResource {
 
@@ -84,6 +85,9 @@ public Response update(
             if (KapuaConfigurableService.class.isAssignableFrom(configurableServiceClass)) {
                 KapuaConfigurableService configurableService = (KapuaConfigurableService) locator.getService(configurableServiceClass);
                 Account account = accountService.find(scopeId);
+                if (account == null) {
+                    throw new KapuaEntityNotFoundException(Account.TYPE, scopeId);
+                }
                 configurableService.setConfigValues(scopeId, account.getScopeId(), serviceComponentConfiguration.getProperties());
             }
         }
@@ -126,6 +130,9 @@ public Response updateComponent(
         if (KapuaConfigurableService.class.isAssignableFrom(configurableServiceClass)) {
             KapuaConfigurableService configurableService = (KapuaConfigurableService) locator.getService(configurableServiceClass);
             Account account = accountService.find(scopeId);
+            if (account == null) {
+                throw new KapuaEntityNotFoundException(Account.TYPE, scopeId);
+            }
             configurableService.setConfigValues(scopeId, account.getScopeId(), serviceComponentConfiguration.getProperties());
         }
         return Response.noContent().build();