From 56535a7a83f9871f97023e84f87bc9d65aa0f868 Mon Sep 17 00:00:00 2001
From: Anthony Xu <anthony.xu@citrix.com>
Date: Wed, 29 May 2013 15:18:20 -0700
Subject: [PATCH] zero size of template/volume being registered causes infinite
 loop on SSVM, the fix is if the size is 0, return success without download

---
 .../com/cloud/storage/template/HttpTemplateDownloader.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/core/src/com/cloud/storage/template/HttpTemplateDownloader.java b/core/src/com/cloud/storage/template/HttpTemplateDownloader.java
index 628ad64c0dc..c8aac27da8c 100644
--- a/core/src/com/cloud/storage/template/HttpTemplateDownloader.java
+++ b/core/src/com/cloud/storage/template/HttpTemplateDownloader.java
@@ -250,6 +250,13 @@ public class HttpTemplateDownloader implements TemplateDownloader {
             	}
             } else {
             	remoteSize2 = Long.parseLong(contentLengthHeader.getValue());
+                if ( remoteSize2 == 0 ) {
+                    status = TemplateDownloader.Status.DOWNLOAD_FINISHED;
+                    String downloaded = "(download complete remote=" + remoteSize + "bytes)";
+                    errorString = "Downloaded " + totalBytes + " bytes " + downloaded;
+                    downloadTime = 0;
+                    return 0;
+                }
             }
 
             if (remoteSize == 0) {