1 files changed, 3 insertions, 0 deletions
diff --git a/tools/certtools.py b/tools/certtools.py
index 49f4b34..6cb4f55 100644
--- a/tools/certtools.py
+++ b/tools/certtools.py
@@ -311,6 +311,9 @@ def get_signature(baseurl, data, key=None):
         result = http_request(baseurl + "plop/v1/signing/sth", params, key=key)
         parsed_result = json.loads(result)
         return base64.b64decode(parsed_result.get(u"result"))
+    except urllib2.URLError, e:
+        print >>sys.stderr, "ERROR: get_signature", e.reason
+        sys.exit(1)
     except urllib2.HTTPError, e:
         print "ERROR: get_signature", e.read()
         raise e