[GitHub] [hadoop-ozone] bharatviswa504 edited a comment on pull request #1110: HDDS-3843. Throw the specific exception other than NPE.

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bharatviswa504 edited a comment on pull request #1110:
URL: https://github.com/apache/hadoop-ozone/pull/1110#issuecomment-648405855


   Thank You @maobaolong for the fix and @dineshchitlangia for tagging me.
   
   >Start a goofy without Authorization related setting.
   Can you elaborate this step what do you mean/how to set it up?
   
   I checked with the postman(curl tool), by empty access key/secret, the error 
I see from AWS S3 is as below.
   
   In the above step if you mean missing security access key/secret missing, 
then below is the error. (I have used postman, which generates auth header but 
missing access key
   ![Screen Shot 2020-06-23 at 1 40 37 
PM](https://user-images.githubusercontent.com/8586345/85459546-21ad2900-b557-11ea-8c27-92a3115f2232.png)
   /secret)
   ```
   <?xml version="1.0" encoding="UTF-8"?>
   <Error>
       <Code>AuthorizationHeaderMalformed</Code>
       <Message>The authorization header is malformed; a non-empty Access Key 
(AKID) must be provided in the credential.</Message>
       <RequestId>64890549427133A8</RequestId>
       
<HostId>rcJrOJhmw5P7JuDjs1wE/3GR7XlV7U54lSjtdxn7xBxdCX3wKyZ79ZIIJ30oF2R+CZ5PzOt90Rw=</HostId>
   </Error>
   ```
   
   If complete auth header missing, this is the error from AWS S3
   
   ```
   $ curl -X GET "https://b1-1990.s3.amazonaws.com/dir1/file1";
   <?xml version="1.0" encoding="UTF-8"?>
   <Error><Code>AccessDenied</Code><Message>Access 
Denied</Message><RequestId>484B292350637469</RequestId><HostId>WKd5J5ytp/GOcindJU+60LNXtbxupzTFj2hjlEQzhTiwZBS3wN86BxvjT5ZBn9uh1eFqGHNMzNo=</HostId></Error>$
   ```
    


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