Gracefully handle expired ExecuteResponse when fetching profile (#7979)

app/invocation/invocation_action_card.tsx

@@ -30,7 +30,7 @@ import capabilities from "../capabilities/capabilities";
 import { getErrorReason } from "../util/rpc";
 import rpc_service from "../service/rpc_service";
 import { execution_stats } from "../../proto/execution_stats_ts_proto";
-import { BuildBuddyError } from "../util/errors";
+import { BuildBuddyError, HTTPStatusError } from "../util/errors";
 import { Profile, readProfile } from "../trace/trace_events";
 import TraceViewer from "../trace/trace_viewer";
 import Spinner from "../components/spinner/spinner";
@@ -433,7 +433,13 @@ export default class InvocationActionCardComponent extends React.Component<Props
         return readProfile(response.body);
       })
       .then((profile) => this.setState({ profile }))
-      .catch((e) => errorService.handleError(e))
+      .catch((e) => {
+        // Ignore NotFound
+        if (e instanceof HTTPStatusError && e.code === 404) {
+          return;
+        }
+        errorService.handleError(e);
+      })
       .finally(() => this.setState({ profileLoading: false }));
   }
 

app/service/rpc_service.ts

@@ -196,6 +196,10 @@ class RpcService {
   /**
    * Performs a cancelable fetch request to the /file/download endpoint.
    *
+   * If the server returns a status code in the response other than 2XX, the
+   * returned promise rejects with a HTTPStatusError, which contains the
+   * response code and body.
+   *
    * Canceling the returned promise prevents it from completing and also cancels
    * the underlying network request.
    */