From 58bfcb4273570f15230fb973fa4b7261155465f6 Mon Sep 17 00:00:00 2001
From: Yurong He <43652751+YurongHe@users.noreply.github.com>
Date: Tue, 4 Dec 2018 10:36:34 -0800
Subject: [PATCH] Fixed can't read indexof exception when no big data cluster
 connection and switch to PySpark3 (#3413)

---
 src/sql/parts/notebook/models/notebookModel.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/sql/parts/notebook/models/notebookModel.ts b/src/sql/parts/notebook/models/notebookModel.ts
index 863b8789be..506437e3c0 100644
--- a/src/sql/parts/notebook/models/notebookModel.ts
+++ b/src/sql/parts/notebook/models/notebookModel.ts
@@ -281,9 +281,14 @@ export class NotebookModel extends Disposable implements INotebookModel {
 			notebookManager: this.notebookManager,
 			notificationService: this.notebookOptions.notificationService
 		});
-		let id: string = this.connectionProfile ? this.connectionProfile.id : undefined;
+		let profile = this.connectionProfile as IConnectionProfile;
+
+		if (this.isValidKnoxConnection(profile)) {
+            this._hadoopConnection = new NotebookConnection(this.connectionProfile);
+        } else {
+            this._hadoopConnection = undefined;
+		}
 
-		this._hadoopConnection = this.connectionProfile ? new NotebookConnection(this.connectionProfile) : undefined;
 		this._clientSession.initialize(this._hadoopConnection);
 		this._sessionLoadFinished = this._clientSession.ready.then(async () => {
 			if (this._clientSession.isInErrorState) {