diff --git a/jupyterhub/user.py b/jupyterhub/user.py
index a0360ed2..9b6c0e59 100644
--- a/jupyterhub/user.py
+++ b/jupyterhub/user.py
@@ -799,7 +799,7 @@ class User:
                 e.reason = 'timeout'
                 self.settings['statsd'].incr('spawner.failure.timeout')
             else:
-                self.log.error(
+                self.log.exception(
                     "Unhandled error starting {user}'s server: {error}".format(
                         user=self.name, error=e
                     )
@@ -809,7 +809,7 @@ class User:
             try:
                 await self.stop(spawner.name)
             except Exception:
-                self.log.error(
+                self.log.exception(
                     "Failed to cleanup {user}'s server that failed to start".format(
                         user=self.name
                     ),
@@ -857,7 +857,7 @@ class User:
                 self.settings['statsd'].incr('spawner.failure.http_timeout')
             else:
                 e.reason = 'error'
-                self.log.error(
+                self.log.exception(
                     "Unhandled error waiting for {user}'s server to show up at {url}: {error}".format(
                         user=self.name, url=server.url, error=e
                     )
@@ -866,7 +866,7 @@ class User:
             try:
                 await self.stop(spawner.name)
             except Exception:
-                self.log.error(
+                self.log.exception(
                     "Failed to cleanup {user}'s server that failed to start".format(
                         user=self.name
                     ),