diff --git a/app/server/lib/AppEndpoint.ts b/app/server/lib/AppEndpoint.ts
index 557774ca..a0455882 100644
--- a/app/server/lib/AppEndpoint.ts
+++ b/app/server/lib/AppEndpoint.ts
@@ -152,6 +152,13 @@ async function getWorker(docWorkerMap: IDocWorkerMap, assignmentId: string,
       }
       // This is a 404 with the expected content for a missing worker.
     } catch (e) {
+      log.rawDebug(`AppEndpoint.getWorker failure`, {
+        url: fullUrl,
+        docId: assignmentId,
+        status: e.status,
+        message: String(e),
+        workerId: docStatus.docWorker.id,
+      });
       // If workers are managed, no errors merit continuing except a 404.
       // Otherwise, we continue if we see a system error (e.g. ECONNREFUSED).
       // We don't accept timeouts since there is too much potential to