.

wcfs/__init__.py

@@ -33,7 +33,9 @@ $WENDELIN_CORE_WCFS_AUTOSTART
 $WENDELIN_CORE_WCFS_OPTIONS
 """
 
-import os, sys, hashlib, tempfile, subprocess, time, re
+from __future__ import print_function, absolute_import
+
+import os, sys, hashlib, tempfile, subprocess, time, re, traceback
 import logging as log
 from os.path import dirname
 from errno import ENOENT, EEXIST
@@ -171,7 +173,9 @@ def _pinner(wconn, ctx):
         if exc is None:
             return
         log.critical('pinner failed:', exc_info=1)
-
+        print('CRITICAL: pinned failed:', file=sys.stderr)
+        traceback.print_exc(file=sys.stderr)
+        print('\nCRITICAL: wcfs server will likely kill us soon.', file=sys.stderr)
     defer(_)
 
     def trace(msg):