From 4a9cef32ac6aa565d1e92faf72a472e727b205e6 Mon Sep 17 00:00:00 2001
From: vamsi-amazon <reddyvam@amazon.com>
Date: Fri, 4 Nov 2022 10:47:31 -0700
Subject: [PATCH] Fix error messaging from prometheus. (#1029)

Signed-off-by: vamsi-amazon <reddyvam@amazon.com>
---
 .../opensearch/sql/prometheus/client/PrometheusClientImpl.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/prometheus/src/main/java/org/opensearch/sql/prometheus/client/PrometheusClientImpl.java b/prometheus/src/main/java/org/opensearch/sql/prometheus/client/PrometheusClientImpl.java
index 4a469c7bbb..512c014564 100644
--- a/prometheus/src/main/java/org/opensearch/sql/prometheus/client/PrometheusClientImpl.java
+++ b/prometheus/src/main/java/org/opensearch/sql/prometheus/client/PrometheusClientImpl.java
@@ -106,7 +106,8 @@ private JSONObject readResponse(Response response) throws IOException {
       }
     } else {
       throw new RuntimeException(
-          String.format("Request to Prometheus is Unsuccessful with : %s", response.message()));
+          String.format("Request to Prometheus is Unsuccessful with : %s", Objects.requireNonNull(
+              response.body(), "Response body can't be null").string()));
     }
   }