From 6361d996c7a2c7d7648abfcf1699aa989e552f22 Mon Sep 17 00:00:00 2001
From: Colin Nolan <colin.nolan@sanger.ac.uk>
Date: Tue, 15 Nov 2016 15:46:51 +0000
Subject: [PATCH] 9897: Logs errors encountered by block prefetch workers.

---
 sdk/python/arvados/arvfile.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sdk/python/arvados/arvfile.py b/sdk/python/arvados/arvfile.py
index 610fd7dc13..e00eeae47e 100644
--- a/sdk/python/arvados/arvfile.py
+++ b/sdk/python/arvados/arvfile.py
@@ -5,6 +5,7 @@ import bz2
 import config
 import hashlib
 import threading
+import traceback
 import Queue
 import copy
 import errno
@@ -516,7 +517,7 @@ class _BlockManager(object):
                     return
                 self._keep.get(b)
             except Exception:
-                pass
+                _logger.error(traceback.format_exc())
 
     @synchronized
     def start_get_threads(self):
-- 
2.30.2