From dcc13d7a3d991132b8cb3e88eb08db61c161c510 Mon Sep 17 00:00:00 2001
From: Daniel Gultsch <daniel@gultsch.de>
Date: Thu, 16 Jun 2016 20:36:51 +0200
Subject: [PATCH] log download failure caused by missing content length

---
 .../eu/siacs/conversations/http/HttpDownloadConnection.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
index b8dbdb57b..f00a6cc5f 100644
--- a/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
+++ b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java
@@ -216,7 +216,7 @@ public class HttpDownloadConnection implements Transferable {
 				String contentLength = connection.getHeaderField("Content-Length");
 				connection.disconnect();
 				if (contentLength == null) {
-					throw new IOException();
+					throw new IOException("no content-length found in HEAD response");
 				}
 				return Long.parseLong(contentLength, 10);
 			} catch (IOException e) {