diff --git a/barbican/plugin/crypto/pkcs11.py b/barbican/plugin/crypto/pkcs11.py
index 1d1a5b28e..d484bac61 100644
--- a/barbican/plugin/crypto/pkcs11.py
+++ b/barbican/plugin/crypto/pkcs11.py
@@ -346,7 +346,8 @@ class PKCS11(object):
     def perform_rng_self_test(self, session):
         test_random = self.generate_random(100, session)
         if self.ffi.buffer(test_random, 100)[:] == b"\x00" * 100:
-            raise P11CryptoPluginException("Apparent RNG self-test failure.")
+            raise P11CryptoPluginException(u._(
+                "Apparent RNG self-test failure."))
 
     def open_session(self, slot):
         session_ptr = self.ffi.new("CK_SESSION_HANDLE *")
@@ -409,7 +410,7 @@ class PKCS11(object):
                 val_list.append(self.ffi.new("char []", attr.value))
                 attributes[index].value_len = len(attr.value)
             else:
-                raise TypeError("Unknown attribute type provided.")
+                raise TypeError(u._("Unknown attribute type provided."))
 
             attributes[index].value = val_list[-1]
 
diff --git a/barbican/plugin/dogtag.py b/barbican/plugin/dogtag.py
index 0d49a3e67..173e52788 100644
--- a/barbican/plugin/dogtag.py
+++ b/barbican/plugin/dogtag.py
@@ -780,8 +780,8 @@ class DogtagCAPlugin(cm.CertificatePluginBase):
         }
 
         if request_type not in jump_table:
-            raise DogtagPluginNotSupportedException(
-                "Dogtag plugin does not support %s request type".format(
+            raise DogtagPluginNotSupportedException(u._(
+                "Dogtag plugin does not support %s request type").format(
                     request_type))
 
         return jump_table[request_type](order_id, order_meta, plugin_meta,
@@ -825,8 +825,8 @@ class DogtagCAPlugin(cm.CertificatePluginBase):
         :param barbican_meta_dto:
         :return: cm.ResultDTO
         """
-        raise DogtagPluginNotSupportedException(
-            "Dogtag plugin does not support %s request type".format(
+        raise DogtagPluginNotSupportedException(u._(
+            "Dogtag plugin does not support %s request type").format(
                 cm.CertificateRequestType.FULL_CMC_REQUEST))
 
     @_catch_enrollment_exceptions
diff --git a/barbican/plugin/kmip_secret_store.py b/barbican/plugin/kmip_secret_store.py
index b1151a955..5f692020d 100644
--- a/barbican/plugin/kmip_secret_store.py
+++ b/barbican/plugin/kmip_secret_store.py
@@ -256,7 +256,7 @@ class KMIPSecretStore(ss.SecretStoreBase):
                                         template_attribute=template_attribute,
                                         credential=self.credential)
         except Exception as e:
-            LOG.exception("Error opening or writing to client")
+            LOG.exception(u._LE("Error opening or writing to client"))
             raise ss.SecretGeneralException(str(e))
         else:
             if result.result_status.enum == enums.ResultStatus.SUCCESS:
@@ -315,7 +315,7 @@ class KMIPSecretStore(ss.SecretStoreBase):
                 common_template_attribute=common,
                 credential=self.credential)
         except Exception as e:
-            LOG.exception("Error opening or writing to client")
+            LOG.exception(u._LE("Error opening or writing to client"))
             raise ss.SecretGeneralException(str(e))
         else:
             if result.result_status.enum == enums.ResultStatus.SUCCESS:
@@ -728,7 +728,7 @@ class KMIPSecretStore(ss.SecretStoreBase):
             reason=result.result_reason,
             message=result.result_message
         )
-        LOG.debug("ERROR from KMIP server: %s", msg)
+        LOG.error(u._LE("ERROR from KMIP server: %s"), msg)
         raise ss.SecretGeneralException(msg)
 
     def _validate_keyfile_permissions(self, path):
diff --git a/barbican/plugin/snakeoil_ca.py b/barbican/plugin/snakeoil_ca.py
index 7c6299ad6..5b4e438a9 100644
--- a/barbican/plugin/snakeoil_ca.py
+++ b/barbican/plugin/snakeoil_ca.py
@@ -207,7 +207,7 @@ class SnakeoilCACertificatePlugin(cert_manager.CertificatePluginBase):
             except KeyError:
                 return cert_manager.ResultDTO(
                     cert_manager.CertificateStatus.CLIENT_DATA_ISSUE_SEEN,
-                    status_message="No request_data specified")
+                    status_message=u._("No request_data specified"))
         csr = crypto.load_certificate_request(crypto.FILETYPE_PEM, encoded_csr)
         cert = self.cert_manager.make_certificate(csr)
         cert_enc = crypto.dump_certificate(crypto.FILETYPE_PEM, cert)