[BUG] custom error not display correctly after dev tool console refactoring

[abbyhu2000]

Describe the bug
The error is caused by #3544

To Reproduce
If search for an index pattern that does not exist, the console shows a 502 bad gateway error:

It should show a 404 not found custom error:

[zhongnansu]

@abbyhu2000 The issue is with a typo. it's supposed to be headers not header. This is leading isResponseErrorFlag to always be false, and not forwarding the error message to response. I'll fix it in next PR

OpenSearch-Dashboards/src/plugins/console/server/routes/api/console/proxy/create_handler.ts

Line 140 in de06344

return Boolean(error && error.body && error.statusCode && error.header);

[joshuarrrr]

It sounds like this is a blocker for the feature in 2.7.0

[AMoo-Miki]

@abbyhu2000 The issue is with a typo. it's supposed to be headers not header. This is leading isResponseErrorFlag to always be false, and not forwarding the error message to response. I'll fix it in next PR

OpenSearch-Dashboards/src/plugins/console/server/routes/api/console/proxy/create_handler.ts

Line 140 in de06344

return Boolean(error && error.body && error.statusCode && error.header);

Why do we care if the response has any headers?

[zhongnansu]

@abbyhu2000 The issue is with a typo. it's supposed to be headers not header. This is leading isResponseErrorFlag to always be false, and not forwarding the error message to response. I'll fix it in next PR

OpenSearch-Dashboards/src/plugins/console/server/routes/api/console/proxy/create_handler.ts

Line 140 in de06344

return Boolean(error && error.body && error.statusCode && error.header);

Why do we care if the response has any headers?

to validate the error is a response error

[zhongnansu]

I've posted PR #3652 to fix the problem. Please take a look, let's unblock it for 2.7
@abbyhu2000 @joshuarrrr @AMoo-Miki