From 84ac46a462036d1a40f3fee07d1ff6137ee1d657 Mon Sep 17 00:00:00 2001
From: Yu Xia <yx@uber.com>
Date: Tue, 24 Aug 2021 10:44:17 -0700
Subject: [PATCH] Checking get workflow history when sticky decision task

---
 .../cadence/internal/replay/ReplayDecisionTaskHandler.java     | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/com/uber/cadence/internal/replay/ReplayDecisionTaskHandler.java b/src/main/java/com/uber/cadence/internal/replay/ReplayDecisionTaskHandler.java
index 2ffaaab41..0afa4848f 100644
--- a/src/main/java/com/uber/cadence/internal/replay/ReplayDecisionTaskHandler.java
+++ b/src/main/java/com/uber/cadence/internal/replay/ReplayDecisionTaskHandler.java
@@ -274,6 +274,9 @@ private Decider createDecider(PollForDecisionTaskResponse decisionTask) throws E
               .setExecution(decisionTask.getWorkflowExecution());
       GetWorkflowExecutionHistoryResponse getHistoryResponse =
           service.GetWorkflowExecutionHistory(getHistoryRequest);
+      if (getHistoryResponse.getHistory().getEventsSize() == 0) {
+        throw new RuntimeException("Failed to get workflow execution history for replay");
+      }
       decisionTask.setHistory(getHistoryResponse.getHistory());
       decisionTask.setNextPageToken(getHistoryResponse.getNextPageToken());
     }