diff --git a/pyproject.toml b/pyproject.toml
index c75d9a0..97b3c09 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -176,6 +176,9 @@ select = ["ALL"]
     "SLF001",  # tests are allowed to access private members
     "T201",    # tests are allowed to use print
 ]
+"src/noteburst/worker/main.py" = [
+    "PLR0915", # along a long function
+]
 
 [tool.ruff.lint.isort]
 known-first-party = ["noteburst", "tests"]
diff --git a/src/noteburst/jupyterclient/jupyterlab.py b/src/noteburst/jupyterclient/jupyterlab.py
index 8399b5a..f74f903 100644
--- a/src/noteburst/jupyterclient/jupyterlab.py
+++ b/src/noteburst/jupyterclient/jupyterlab.py
@@ -16,7 +16,7 @@
 import websockets
 from httpx import Cookies, Timeout
 from pydantic import BaseModel, Field
-from structlog import BoundLogger
+from structlog.stdlib import BoundLogger
 from websockets.client import WebSocketClientProtocol
 from websockets.exceptions import WebSocketException
 from websockets.typing import Data as WebsocketData
@@ -442,6 +442,7 @@ def lab_controller(self) -> LabControllerClient:
             http_client=self.http_client,
             token=noteburst_config.gafaelfawr_token.get_secret_value(),
             url_prefix=noteburst_config.nublado_controller_path_prefix,
+            logger=self.logger,
         )
         return self._lab_controller_client
 
diff --git a/src/noteburst/jupyterclient/labcontroller.py b/src/noteburst/jupyterclient/labcontroller.py
index 79365a8..e99d6cd 100644
--- a/src/noteburst/jupyterclient/labcontroller.py
+++ b/src/noteburst/jupyterclient/labcontroller.py
@@ -7,6 +7,7 @@
 
 import httpx
 from pydantic import BaseModel, ConfigDict, Field
+from structlog.stdlib import BoundLogger
 
 from noteburst.config import config
 
@@ -95,7 +96,9 @@ class LabControllerImages(BaseModel):
     )
     """Pydantic model configuration."""
 
-    def get_by_reference(self, reference: str) -> JupyterImage | None:
+    def get_by_reference(
+        self, reference: str, logger: BoundLogger
+    ) -> JupyterImage | None:
         """Get the JupyterImage with a corresponding reference.
 
         Parameters
@@ -109,6 +112,7 @@ def get_by_reference(self, reference: str) -> JupyterImage | None:
             Returns the JupyterImage if found, None otherwise.
         """
         for image in self.all:
+            logger.info("Image reference", image=image.reference)
             if reference == image.reference:
                 return image
 
@@ -142,10 +146,12 @@ def __init__(
         http_client: httpx.AsyncClient,
         token: str,
         url_prefix: str,
+        logger: BoundLogger,
     ) -> None:
         self._http_client = http_client
         self._token = token
         self._url_prefix = url_prefix
+        self._logger = logger
 
     async def get_latest_weekly(self) -> JupyterImage:
         """Image for the latest weekly version.
@@ -200,7 +206,7 @@ async def get_by_reference(self, reference: str) -> JupyterImage:
             An error occurred talking to JupyterLab Controller.
         """
         images = await self._get_images()
-        image = images.get_by_reference(reference)
+        image = images.get_by_reference(reference, logger=self._logger)
         if image is None:
             raise LabControllerError(
                 f"No image with reference {reference} found."
diff --git a/src/noteburst/jupyterclient/user.py b/src/noteburst/jupyterclient/user.py
index 51bc8f2..23737ed 100644
--- a/src/noteburst/jupyterclient/user.py
+++ b/src/noteburst/jupyterclient/user.py
@@ -98,7 +98,6 @@ async def create(
             "username": username,
             "name": "Noteburst",
             "token_type": "service",
-            "token_name": f"noteburst {float(time.time())!s}",
             "scopes": scopes,
             "expires": int(time.time() + lifetime),
         }
diff --git a/src/noteburst/worker/main.py b/src/noteburst/worker/main.py
index 1f9e12a..3d73d2a 100644
--- a/src/noteburst/worker/main.py
+++ b/src/noteburst/worker/main.py
@@ -73,17 +73,35 @@ async def startup(ctx: dict[Any, Any]) -> None:
         user = User(
             username=identity.username, uid=identity.uid, gid=identity.gid
         )
-        authed_user = await user.login(
-            scopes=config.parsed_worker_token_scopes,
-            http_client=http_client,
-            token_lifetime=config.worker_token_lifetime,
-        )
+        try:
+            authed_user = await user.login(
+                scopes=config.parsed_worker_token_scopes,
+                http_client=http_client,
+                token_lifetime=config.worker_token_lifetime,
+            )
+        except httpx.HTTPStatusError as e:
+            logger.exception(
+                "Error authenticating the worker's user",
+                body=e.response.json(),
+                status_code=e.response.status_code,
+            )
+            raise
         logger.info("Authenticated the worker's user.")
 
         jupyter_client = JupyterClient(
             user=authed_user, logger=logger, config=jupyter_config
         )
-        await jupyter_client.log_into_hub()
+        try:
+            await jupyter_client.log_into_hub()
+        except httpx.HTTPStatusError as e:
+            logger.exception(
+                "Error logging into JupyterHub",
+                body=e.response.json(),
+            )
+            raise
+        except Exception:
+            logger.exception("Generic error logging into JupyterHub")
+            raise
         try:
             image_info = await jupyter_client.spawn_lab()
             logger = logger.bind(image_ref=image_info.reference)
diff --git a/tests/support/gafaelfawr.py b/tests/support/gafaelfawr.py
index 2a31b17..2d854bd 100644
--- a/tests/support/gafaelfawr.py
+++ b/tests/support/gafaelfawr.py
@@ -56,7 +56,6 @@ def handler(request: httpx.Request) -> httpx.Response:
         assert request_json == {
             "username": ANY,
             "token_type": "service",
-            "token_name": ANY,
             "scopes": ["exec:notebook"],
             "expires": ANY,
             "name": "Noteburst",
@@ -69,7 +68,6 @@ def handler(request: httpx.Request) -> httpx.Response:
             assert request_json["uid"] == uid
         if gid:
             assert request_json["gid"] == gid
-        assert request_json["token_name"].startswith("noteburst ")
         assert request_json["expires"] > time.time()
         response = {"token": make_gafaelfawr_token(request_json["username"])}
         return httpx.Response(200, json=response, request=request)