diff --git a/brozzler/__init__.py b/brozzler/__init__.py
index 35abfa3..7798e5f 100644
--- a/brozzler/__init__.py
+++ b/brozzler/__init__.py
@@ -180,7 +180,7 @@ class ThreadExceptionGate:
                     "exception already pending for thread, discarding",
                     pending_exception=self.pending_exception,
                     thread=self.thread,
-                    exception=e,
+                    discarded_exception=e,
                 )
             else:
                 self.pending_exception = e
diff --git a/brozzler/browser.py b/brozzler/browser.py
index f636662..00f05c9 100644
--- a/brozzler/browser.py
+++ b/brozzler/browser.py
@@ -293,7 +293,7 @@ class WebsockReceiverThread(threading.Thread):
                     message["params"]["message"]["text"],
                 )
             elif message["method"] == "Runtime.exceptionThrown":
-                self.logger.debug("uncaught exception", exception=message)
+                self.logger.debug("uncaught exception", message=message)
             elif message["method"] == "Page.javascriptDialogOpening":
                 self._javascript_dialog_opening(message)
             elif (
diff --git a/brozzler/cli.py b/brozzler/cli.py
index c63d2b7..f31bc81 100755
--- a/brozzler/cli.py
+++ b/brozzler/cli.py
@@ -418,7 +418,7 @@ def brozzle_page(argv=None):
             on_screenshot=on_screenshot,
             enable_youtube_dl=not args.skip_youtube_dl,
         )
-        logger.info("outlinks: \n\t%s", "\n\t".join(sorted(outlinks)))
+        logger.info("outlinks", outlinks=sorted(outlinks))
     except brozzler.ReachedLimit as e:
         logger.exception("reached limit")
     except brozzler.PageInterstitialShown as e:
diff --git a/brozzler/robots.py b/brozzler/robots.py
index b3053b9..0c9d699 100644
--- a/brozzler/robots.py
+++ b/brozzler/robots.py
@@ -122,6 +122,6 @@ def is_permitted_by_robots(site, url, proxy=None):
             structlog.get_logger(logger_name=__name__).warning(
                 "returning true (permitted) after problem fetching " "robots.txt",
                 url=url,
-                exception=e,
+                raised_exception=e,
             )
             return True
diff --git a/tests/test_cluster.py b/tests/test_cluster.py
index b891a0f..d3ece4b 100644
--- a/tests/test_cluster.py
+++ b/tests/test_cluster.py
@@ -73,11 +73,19 @@ def stop_service(service):
 def httpd(request):
     class RequestHandler(http.server.SimpleHTTPRequestHandler):
         def do_POST(self):
-            logger.info("\n%s\n%s", self.requestline, self.headers)
+            logger.info(
+                "RequestHandler.do_POST",
+                requestline=self.requestline,
+                headers=self.headers,
+            )
             self.do_GET()
 
         def do_GET(self):
-            logger.info("\n%s\n%s", self.requestline, self.headers)
+            logger.info(
+                "RequestHandler.do_GET",
+                requestline=self.requestline,
+                headers=self.headers,
+            )
             if self.path == "/site5/redirect/":
                 self.send_response(303, "See other")
                 self.send_header("Connection", "close")