LwM2M X509 credentials improvements

5 years ago · bf3a88752c
1 changed files with 1 additions and 1 deletions
--- a/dao/src/main/java/org/thingsboard/server/dao/device/DeviceCredentialsServiceImpl.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/device/DeviceCredentialsServiceImpl.java
@ -272,7 +272,7 @@ public class DeviceCredentialsServiceImpl extends AbstractEntityService implemen
                break;
            case X509:
                X509ClientCredentials x509CCredentials = (X509ClientCredentials) clientCredentials;
-                if (x509CCredentials.getCert() != null) {
+                if (StringUtils.isNotEmpty(x509CCredentials.getCert())) {
                    try {
                        SecurityUtil.certificate.decode(Base64.decodeBase64(x509CCredentials.getCert()));
                    } catch (Exception e) {