Don't return exception

1 files changed, 1 insertions, 1 deletions

diff --git a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/restapi/horizon/HorizonApiHandler.java b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/restapi/horizon/HorizonApiHandler.java
index 70e55034887..44871cc58ce 100644
--- a/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/restapi/horizon/HorizonApiHandler.java
+++ b/controller-server/src/main/java/com/yahoo/vespa/hosted/controller/restapi/horizon/HorizonApiHandler.java
@@ -75,7 +75,7 @@ public class HorizonApiHandler extends LoggingRequestHandler {
         }
         catch (RuntimeException e) {
             log.log(Level.WARNING, "Unexpected error handling '" + request.getUri() + "'", e);
-            return ErrorResponse.internalServerError(Exceptions.toMessageString(e));
+            return ErrorResponse.internalServerError("An unexpected error occurred");
         }
     }