From 4750a9603269e8bf5d1f5cb30fbc49fa34d7382d Mon Sep 17 00:00:00 2001
From: anhefti <andreas.hefti@let.ethz.ch>
Date: Wed, 28 Apr 2021 17:27:09 +0200
Subject: [PATCH] fixed compile errors

---
 .../webservice/servicelayer/dao/impl/CertificateDAOImpl.java  | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/CertificateDAOImpl.java b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/CertificateDAOImpl.java
index bb31deed..ccf155f0 100644
--- a/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/CertificateDAOImpl.java
+++ b/src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/dao/impl/CertificateDAOImpl.java
@@ -154,11 +154,11 @@ public class CertificateDAOImpl implements CertificateDAO {
             throw new RuntimeException("Alias name already exists: " + alias);
         }
 
-        Collections.<String> list(store.engineAliases())
+        Collections.list(store.engineAliases())
                 .stream()
                 .forEach(key -> {
                     try {
-                        final Certificate cert = store.engineGetCertificate(key);
+                        final Certificate cert = store.engineGetCertificate(String.valueOf(key));
                         if (cert.equals(certificate)) {
                             throw new RuntimeException("Certificate already exists: " + key);
                         }