diff --git a/application/src/main/java/org/thingsboard/server/service/device/DeviceProvisionServiceImpl.java b/application/src/main/java/org/thingsboard/server/service/device/DeviceProvisionServiceImpl.java
index 33b2af55fe..f9f24e43b2 100644
--- a/application/src/main/java/org/thingsboard/server/service/device/DeviceProvisionServiceImpl.java
+++ b/application/src/main/java/org/thingsboard/server/service/device/DeviceProvisionServiceImpl.java
@@ -275,9 +275,8 @@ public class DeviceProvisionServiceImpl implements DeviceProvisionService {
 
     private void fetchAndApplyDeviceNameForX509ProvisionRequestWithRegEx(ProvisionRequest provisionRequest) {
         DeviceProfile deviceProfile = deviceProfileService.findDeviceProfileByProvisionDeviceKey(provisionRequest.getCredentials().getProvisionDeviceKey());
-        X509CertificateChainProvisionConfiguration configuration;
-        if (deviceProfile.getProfileData().getProvisionConfiguration() instanceof X509CertificateChainProvisionConfiguration) {
-            configuration = (X509CertificateChainProvisionConfiguration) deviceProfile.getProfileData().getProvisionConfiguration();
+        if (deviceProfile != null && deviceProfile.getProfileData() != null && deviceProfile.getProfileData().getProvisionConfiguration() instanceof X509CertificateChainProvisionConfiguration) {
+            X509CertificateChainProvisionConfiguration configuration = (X509CertificateChainProvisionConfiguration) deviceProfile.getProfileData().getProvisionConfiguration();
             String certificateValue = provisionRequest.getCredentialsData().getX509CertHash();
             String certificateRegEx = configuration.getCertificateRegExPattern();
             String deviceName = extractDeviceNameFromCertificateCNByRegEx(certificateValue, certificateRegEx);
@@ -298,7 +297,6 @@ public class DeviceProvisionServiceImpl implements DeviceProvisionService {
             if (matcher.find()) {
                 return matcher.group(0);
             }
-            return null;
         } catch (Exception ignored) {}
         return null;
     }
diff --git a/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java b/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
index 16aa2d97d3..226f716225 100644
--- a/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
+++ b/application/src/main/java/org/thingsboard/server/service/transport/DefaultTransportApiService.java
@@ -712,11 +712,12 @@ public class DefaultTransportApiService implements TransportApiService {
     }
 
     private ProvisionResponse provisionDeviceRequestAndGetResponse(ProvisionRequest provisionRequest) {
-        ProvisionResponse provisionResponse = null;
         try {
-            provisionResponse = deviceProvisionService.provisionDevice(provisionRequest);
-        } catch (ProvisionFailedException ignored) {}
-        return provisionResponse;
+            return deviceProvisionService.provisionDevice(provisionRequest);
+        } catch (ProvisionFailedException e) {
+            log.error(e.getMessage());
+        }
+        return null;
     }
 
     private List<String> convertX509CertificateChainToList(String certificateChain) {
diff --git a/dao/src/main/java/org/thingsboard/server/dao/device/DeviceProfileServiceImpl.java b/dao/src/main/java/org/thingsboard/server/dao/device/DeviceProfileServiceImpl.java
index d601bc4ef2..6883ec567a 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/device/DeviceProfileServiceImpl.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/device/DeviceProfileServiceImpl.java
@@ -221,7 +221,7 @@ public class DeviceProfileServiceImpl extends AbstractCachedEntityService<Device
 
     @Override
     public DeviceProfile findDeviceProfileByProvisionDeviceKey(String provisionDeviceKey) {
-        log.trace("Executing findDeviceProfileIdByCredentialsId credentialId [{}]", provisionDeviceKey);
+        log.trace("Executing findDeviceProfileByProvisionDeviceKey provisionKey [{}]", provisionDeviceKey);
         validateString(provisionDeviceKey, INCORRECT_PROVISION_DEVICE_KEY + provisionDeviceKey);
         return cache.getAndPutInTransaction(DeviceProfileCacheKey.fromProvisionDeviceKey(provisionDeviceKey),
                 () -> deviceProfileDao.findByProvisionDeviceKey(provisionDeviceKey), true);