ahmarsuhail commented on PR #7882:
URL: https://github.com/apache/hadoop/pull/7882#issuecomment-3320014995
able to reproduce the issue outside of S3A. Basically did what would happen
when you run a test in S3A:
* a probe for the `test/` directory, and then create the `test/` directory,
and then do the `headObject()` call.
The head fails, but if you comment out
`requestChecksumCalculation(RequestChecksumCalculation.WHEN_REQUIRED)` it works
again.
no idea what's going on. but have shared this local reproduction with SDK
team. And rules out that it's something in the S3A code.
```
public class TestClass {
S3Client s3Client;
public TestClass() {
this.s3Client = S3Client.builder().region(Region.US_EAST_1)
.addPlugin(LegacyMd5Plugin.create())
.requestChecksumCalculation(RequestChecksumCalculation.WHEN_REQUIRED)
.responseChecksumValidation(ResponseChecksumValidation.WHEN_SUPPORTED)
.overrideConfiguration(o -> o.retryStrategy(b ->
b.maxAttempts(1)))
.build();
}
public void testS3Express(String bucket, String key) {
s3Client.listObjectsV2(ListObjectsV2Request.builder()
.bucket("<>")
.maxKeys(2)
.prefix("test/")
.build());
try {
s3Client.headObject(HeadObjectRequest.builder().bucket("<>")
.key("test")
.build());
} catch (Exception e) {
System.out.println("Exception thrown: " + e.getMessage());
}
s3Client.putObject(PutObjectRequest
.builder()
.bucket("<>")
.key("test/").build(), RequestBody.empty());
s3Client.headObject(HeadObjectRequest.builder().bucket("<>")
.key("<>")
.build());
}
```
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