Handle redirect http status code

[balamurugana]

No description provided.

[sinhaashish]

Ran

import io.minio.BucketExistsArgs;
import io.minio.MinioClient;
import io.minio.errors.MinioException;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
public class BucketExists {
  /** MinioClient.bucketExists() example. */
  public static void main(String[] args)
    throws IOException, NoSuchAlgorithmException, InvalidKeyException {
    try {
      /* Amazon S3: */
      MinioClient minioClient =
        MinioClient.builder()
          .endpoint("https://s3.amazonaws.com")
          .credentials("***", "***")
          .region("us-east-2")
          .build();
      // Check whether 'my-bucketname' exist or not.
      minioClient.traceOn(System.out);
      boolean found =
        minioClient.bucketExists(BucketExistsArgs.builder().bucket("kannappan300").build());
      if (found) {
        System.out.println("my-bucketname exists");
      } else {
        System.out.println("my-bucketname does not exist");
      }
    } catch (MinioException e) {
      System.out.println("Error occurred: " + e);
    }
  }
}

Got

/usr/lib/jvm/jdk1.8.0_212/bin/java -javaagent:/opt/idea-IC-191.6183.87/lib/idea_rt.jar=33769:/opt/idea-IC-191.6183.87/bin -Dfile.encoding=UTF-8 -classpath /usr/lib/jvm/jdk1.8.0_212/jre/lib/charsets.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/deploy.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/cldrdata.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/dnsns.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/jaccess.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/jfxrt.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/localedata.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/nashorn.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/sunec.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/sunjce_provider.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/sunpkcs11.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/ext/zipfs.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/javaws.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/jce.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/jfr.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/jfxswt.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/jsse.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/management-agent.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/plugin.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/resources.jar:/usr/lib/jvm/jdk1.8.0_212/jre/lib/rt.jar:/home/ashish/code/go/src/github.com/minio/minio-java/api/build/libs/minio-7.1.3-DEV-all.jar:/home/ashish/client/target/classes BucketExists
---------START-HTTP---------
HEAD / HTTP/1.1
Host: kannappan300.s3.us-east-2.amazonaws.com
Accept-Encoding: identity
User-Agent: MinIO (amd64; amd64) minio-java/7.1.3-DEV
x-amz-content-sha256: UNSIGNED-PAYLOAD
x-amz-date: 20200914T101855Z
Authorization: AWS4-HMAC-SHA256 Credential=*REDACTED*/20200914/us-east-2/s3/aws4_request, SignedHeaders=accept-encoding;host;x-amz-content-sha256;x-amz-date, Signature=*REDACTED*

HTTP/1.1 301
x-amz-bucket-region: us-east-1
x-amz-request-id: E9FD0D607B0C02A8
x-amz-id-2: IWP8XQsVaZlSjr3RCWug34fM4SlKPYu/OHdh0X4Tczy5Hm84UFiigJHkib/pgOmbHsk26KI2x40=
Content-Type: application/xml
Transfer-Encoding: chunked
Date: Mon, 14 Sep 2020 10:18:56 GMT
Server: AmazonS3

----------END-HTTP----------
Error occurred: error occurred
ErrorResponse(code = PermanentRedirect, message = Moved Permanently. Use region us-east-1, bucketName = kannappan300, objectName = null, resource = /, requestId = E9FD0D607B0C02A8, hostId = IWP8XQsVaZlSjr3RCWug34fM4SlKPYu/OHdh0X4Tczy5Hm84UFiigJHkib/pgOmbHsk26KI2x40=)
request={method=HEAD, url=https://kannappan300.s3.us-east-2.amazonaws.com/, headers=Host: kannappan300.s3.us-east-2.amazonaws.com
Accept-Encoding: identity
User-Agent: MinIO (amd64; amd64) minio-java/7.1.3-DEV
x-amz-content-sha256: UNSIGNED-PAYLOAD
x-amz-date: 20200914T101855Z
Authorization: AWS4-HMAC-SHA256 Credential=*REDACTED*/20200914/us-east-2/s3/aws4_request, SignedHeaders=accept-encoding;host;x-amz-content-sha256;x-amz-date, Signature=*REDACTED*
}
response={code=301, headers=x-amz-bucket-region: us-east-1
x-amz-request-id: E9FD0D607B0C02A8
x-amz-id-2: IWP8XQsVaZlSjr3RCWug34fM4SlKPYu/OHdh0X4Tczy5Hm84UFiigJHkib/pgOmbHsk26KI2x40=
Content-Type: application/xml
Transfer-Encoding: chunked
Date: Mon, 14 Sep 2020 10:18:56 GMT
Server: AmazonS3
}

[sinhaashish]

Tested & LGTM

[kannappanr]

LGTM