commit 4c57b56d6d371c04797754c30f236159d8b7a7ca
author Alan Zhang <alanjz@google.com> Wed Jul 27 14:28:13 2016 -0400
committer Alan Zhang <alanjz@google.com> Thu Jul 28 09:56:09 2016 -0400
tree a72e51fc546228b6084812ed1b19b351c78d1105
parent 597696560fddf95e19b9447e46a0b16db96722cd

Fixed crashes from empty cache_warming_hosts.

Change-Id: I6ffac8fa9350c6cb22beeaa8fe9993be8ad44ce3

cache_warming/cache_warming.py

diff --git a/cache_warming/cache_warming.py b/cache_warming/cache_warming.py
index 3416b56..97e6cba 100644
--- a/cache_warming/cache_warming.py
+++ b/cache_warming/cache_warming.py
@@ -171,7 +171,12 @@
   sys.stderr = os.fdopen(2, 'w', 1)
   args = set_args()
   verbose = args.verbose
-  load_hosts()
+  try:
+    load_hosts()
+  except ValueError as e:
+    if verbose:
+      print 'Failed to open %s: %s.' % (HOSTS_JSON_PATH,e)
+    save_hosts(hit_log)
 
   server_address = UDP_SERVER_PATH
   try: