- The changeover from zLOG to the logging module means that some

  tools need to perform minimal logging configuration themselves. Changed
  the zeoup script to do so and thus enable it to emit error messages.

NEWS.txt

@@ -13,6 +13,13 @@ PersistentMapping
 - (3.4.3b1) The ``PersistentMapping`` makes changes by a ``pop()`` method call
   persistent now.
 
+Tools
+-----
+
+- (3.4.3b1) The changeover from zLOG to the logging module means that some
+  tools need to perform minimal logging configuration themselves. Changed
+  the zeoup script to do so and thus enable it to emit error messages.
+
 
 What's new in ZODB3 3.4.2?
 ==========================

src/scripts/zeoup.py

@@ -27,6 +27,7 @@ You must specify either -p and -h or -U.
 """
 
 import getopt
+import logging
 import socket
 import sys
 import time
@@ -41,6 +42,18 @@ from ZEO.ClientStorage import ClientStorage
 
 ZEO_VERSION = 2
 
+def setup_logging():
+    # Set up logging to stderr which will show messages originating
+    # at severity ERROR or higher.
+    root = logging.getLogger()
+    root.setLevel(logging.ERROR)
+    fmt = logging.Formatter(
+        "------\n%(asctime)s %(levelname)s %(name)s %(message)s",
+        "%Y-%m-%dT%H:%M:%S")
+    handler = logging.StreamHandler()
+    handler.setFormatter(fmt)
+    root.addHandler(handler)
+
 def check_server(addr, storage, write):
     t0 = time.time()
     if ZEO_VERSION == 2:
@@ -122,6 +135,7 @@ def main():
             usage()
         addr = host, port
 
+    setup_logging()
     check_server(addr, storage, write)
 
 if __name__ == "__main__":