[logdog-stream-view] Auth and misc bugfixes.

web/inc/logdog-stream-view/model.ts

 /*
   Copyright 2016 The LUCI Authors. All rights reserved.
   Use of this source code is governed under the Apache License, Version 2.0
   that can be found in the LICENSE file.
 */
 
 ///<reference path="../logdog-stream/logdog.ts" />
 ///<reference path="../luci-operation/operation.ts" />
 ///<reference path="../luci-sleep-promise/promise.ts" />
 ///<reference path="../rpc/client.ts" />
@@ skipping 476 matching lines @@
             new luci.Timer(Model.LOADING_WHILE_THRESHOLD_MS, () => {
               if (this.loadingState === LoadingState.LOADING) {
                 this.loadingState = LoadingState.LOADING_BEEN_A_WHILE;
               }
             });
 
         let hasLogs = false;
         try {
           hasLogs = await this.fetchLocationRound(l, op);
         } catch (err) {
+          console.log('Fetch failed with error:', err);
+
           // Cancel the timer here, since we may enter other states in this
           // "catch" block and we don't want to have the timer override them.
           loadingWhileTimer.cancel();
 
           // If we've been canceled, discard this result.
           if (err === luci.Operation.CANCELLED) {
             return;
           }
 
-          this.clearCurrentOperation(op);
           if (err === NOT_AUTHENTICATED) {
             this.loadingState = LoadingState.NEEDS_AUTH;
 
             // We failed because we were not authenticated. Mark this
             // so we can retry if that state changes.
             await this.authChangedPromise;
 
             // Our authentication state changed during the fetch!
             // Retry automatically.
             continueFetching = true;
@@ skipping 927 matching lines @@
 
       // Get the next log and increment our index.
       let log = this.logs[this.index++];
       if (this.index >= this.logs.length) {
         this.logs = null;
       }
       return log;
     }
   }
 }