more debugging points

src/app/authorisation.service.ts

@@ -188,6 +188,7 @@ public getKeys(id?: Identity) {
     /* Query ssh agent running on the apiserver 
      * Tap the even stream to update the notifications 
      */
+   console.log('updateAgentContents called');
    if (apiserver === undefined) {
      if (this.backendURI == null) {
        throwError('no backend to query');
@@ -195,6 +196,7 @@ public getKeys(id?: Identity) {
        apiserver = this.backendURI
      }
    }
+   console.log('updateAgentContents api server',apiserver);
 
    let headers = new HttpHeaders();
    let options = { headers: headers, withCredentials: true};
@@ -212,8 +214,10 @@ public getKeys(id?: Identity) {
        } else {
          this.notifications.notify("");
        };
+       console.log('updating agent contents');
        this.agentContents.next(resp)
      }),
+     catchError((e) => { console.error('updateAGentContents error',e) ; return of([])})
      //tap((_) => this.notifications.notify(""))
    )
    return agentpipe$

src/app/backend-selection.service.ts

@@ -20,6 +20,8 @@ export class BackendSelectionService {
         this.localapi = new BehaviorSubject(false);
         this.initApiServer();
         this.getAPIServers();
+        this.apiserver.subscribe((v) => console.log('apiserver change',v));
+        this.apiservers.subscribe((v) => console.log('apiservers change',v));
     }