From e9c032f10fe5461afe03c65bb159d2ee0ca96af1 Mon Sep 17 00:00:00 2001
From: Andrej Ocenas <mr.ocenas@gmail.com>
Date: Fri, 6 Aug 2021 15:47:27 +0200
Subject: [PATCH] CloudWatch Logs: Fix crash when no region is configured
 (#37639)

---
 .../cloudwatch/components/LogsQueryField.tsx           | 10 +++++++++-
 public/app/plugins/datasource/cloudwatch/datasource.ts |  3 +++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/public/app/plugins/datasource/cloudwatch/components/LogsQueryField.tsx b/public/app/plugins/datasource/cloudwatch/components/LogsQueryField.tsx
index 0c703275f24..7badbcd7bc3 100644
--- a/public/app/plugins/datasource/cloudwatch/components/LogsQueryField.tsx
+++ b/public/app/plugins/datasource/cloudwatch/components/LogsQueryField.tsx
@@ -119,7 +119,15 @@ export class CloudWatchLogsQueryField extends React.PureComponent<CloudWatchLogs
         label: logGroup,
       }));
     } catch (err) {
-      dispatch(notifyApp(createErrorNotification(err)));
+      let errMessage = 'unknown error';
+      if (typeof err !== 'string') {
+        try {
+          errMessage = JSON.stringify(err);
+        } catch (e) {}
+      } else {
+        errMessage = err;
+      }
+      dispatch(notifyApp(createErrorNotification(errMessage)));
       return [];
     }
   };
diff --git a/public/app/plugins/datasource/cloudwatch/datasource.ts b/public/app/plugins/datasource/cloudwatch/datasource.ts
index a6f7d69aa37..c683efca21a 100644
--- a/public/app/plugins/datasource/cloudwatch/datasource.ts
+++ b/public/app/plugins/datasource/cloudwatch/datasource.ts
@@ -660,6 +660,9 @@ export class CloudWatchDatasource extends DataSourceWithBackend<CloudWatchQuery,
       catchError((err) => {
         if (err.data?.error) {
           throw err.data.error;
+        } else if (err.data?.message) {
+          // In PROD we do not supply .error
+          throw err.data.message;
         }
 
         throw err;