HADOOP-15071 S3a troubleshooting docs to add a couple more failure modes.
Contributed by Steve Loughran
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Steve Loughran
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3150c019ae
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@ -228,6 +228,41 @@ As an example, the endpoint for S3 Frankfurt is `s3.eu-central-1.amazonaws.com`:
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</property>
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```
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### "403 Access denied" when trying to write data
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Data can be read, but attempts to write data or manipulate the store fail with
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403/Access denied.
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The bucket may have an access policy which the request does not comply with.
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```
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java.nio.file.AccessDeniedException: test/: PUT 0-byte object on test/:
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com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403;
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Error Code: AccessDenied; Request ID: EDC662AD2EEEA33C;
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at org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:210)
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at org.apache.hadoop.fs.s3a.Invoker.once(Invoker.java:110)
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at org.apache.hadoop.fs.s3a.Invoker.lambda$retry$3(Invoker.java:259)
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at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:313)
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at org.apache.hadoop.fs.s3a.Invoker.retry(Invoker.java:255)
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at org.apache.hadoop.fs.s3a.Invoker.retry(Invoker.java:230)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.createEmptyObject(S3AFileSystem.java:2691)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.createFakeDirectory(S3AFileSystem.java:2666)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.innerMkdirs(S3AFileSystem.java:2030)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.mkdirs(S3AFileSystem.java:1965)
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at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:2305)
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```
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In the AWS S3 management console, select the "permissions" tab for the bucket, then "bucket policy".
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If there is no bucket policy, then the error cannot be caused by one.
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If there is a bucket access policy, e.g. required encryption headers,
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then the settings of the s3a client must guarantee the relevant headers are set
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(e.g. the encryption options match).
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Note: S3 Default Encryption options are not considered here:
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if the bucket policy requires AES256 as the encryption policy on PUT requests,
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then the encryption option must be set in the s3a client so that the header is set.
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## <a name="connectivity"></a> Connectivity Problems
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### <a name="bad_endpoint"></a> Error message "The bucket you are attempting to access must be addressed using the specified endpoint"
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@ -412,8 +447,13 @@ It may go away if the operation is retried.
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### When writing data: "java.io.FileNotFoundException: Completing multi-part upload"
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A multipart upload was trying to complete, but failed as there was no upload
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with that ID.
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```
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java.io.FileNotFoundException: Completing multi-part upload on fork-5/test/multipart/1c397ca6-9dfb-4ac1-9cf7-db666673246b: com.amazonaws.services.s3.model.AmazonS3Exception: The specified upload does not exist. The upload ID may be invalid, or the upload may have been aborted or completed. (Service: Amazon S3; Status Code: 404; Error Code: NoSuchUpload; Request ID: 84FF8057174D9369), S3 Extended Request ID: Ij5Yn6Eq/qIERH4Z6Io3YL2t9/qNZ7z9gjPb1FrTtTovZ8k1MXqh+zCYYjqmfJ/fCY6E1+JR9jA=
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java.io.FileNotFoundException: Completing multi-part upload on fork-5/test/multipart/1c397ca6-9dfb-4ac1-9cf7-db666673246b:
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com.amazonaws.services.s3.model.AmazonS3Exception: The specified upload does not exist.
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The upload ID may be invalid, or the upload may have been aborted or completed. (Service: Amazon S3; Status Code: 404;
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Error Code: NoSuchUpload;
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at com.amazonaws.http.AmazonHttpClient.handleErrorResponse(AmazonHttpClient.java:1182)
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at com.amazonaws.http.AmazonHttpClient.executeOneRequest(AmazonHttpClient.java:770)
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at com.amazonaws.http.AmazonHttpClient.executeHelper(AmazonHttpClient.java:489)
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@ -427,6 +467,104 @@ java.io.FileNotFoundException: Completing multi-part upload on fork-5/test/multi
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at org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:106)
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```
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This can happen when all outstanding uploads have been aborted, including
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the active ones.
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If the bucket has a lifecycle policy of deleting multipart uploads, make
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sure that the expiry time of the deletion is greater than that required
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for all open writes to complete the write,
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*and for all jobs using the S3A committers to commit their work.*
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### Application hangs after reading a number of files
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The pool of https client connectons and/or IO threads have been used up,
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and none are being freed.
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1. The pools aren't big enough. Increas `fs.s3a.connection.maximum` for
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the http connections, and `fs.s3a.threads.max` for the thread pool.
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2. Likely root cause: whatever code is reading files isn't calling `close()`
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on the input streams. Make sure your code does this!
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And if it's someone else's: make sure you have a recent version; search their
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issue trackers to see if its a known/fixed problem.
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If not, it's time to work with the developers, or come up with a workaround
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(i.e closing the input stream yourself).
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### "Timeout waiting for connection from pool"
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This the same problem as above, exhibiting itself as the http connection
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pool determining that it has run out of capacity.
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```
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java.io.InterruptedIOException: getFileStatus on s3a://example/fork-0007/test:
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com.amazonaws.SdkClientException: Unable to execute HTTP request: Timeout waiting for connection from pool
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at org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:145)
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at org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:119)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.s3GetFileStatus(S3AFileSystem.java:2040)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.checkPathForDirectory(S3AFileSystem.java:1857)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.innerMkdirs(S3AFileSystem.java:1890)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.mkdirs(S3AFileSystem.java:1826)
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at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:2230)
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...
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Caused by: com.amazonaws.SdkClientException: Unable to execute HTTP request: Timeout waiting for connection from pool
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleRetryableException(AmazonHttpClient.java:1069)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1035)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:742)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:716)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:699)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:667)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:649)
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at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:513)
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at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4221)
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at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4168)
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at com.amazonaws.services.s3.AmazonS3Client.getObjectMetadata(AmazonS3Client.java:1249)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.getObjectMetadata(S3AFileSystem.java:1162)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.s3GetFileStatus(S3AFileSystem.java:2022)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.checkPathForDirectory(S3AFileSystem.java:1857)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.innerMkdirs(S3AFileSystem.java:1890)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.mkdirs(S3AFileSystem.java:1826)
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at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:2230)
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...
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Caused by: com.amazonaws.thirdparty.apache.http.conn.ConnectionPoolTimeoutException: Timeout waiting for connection from pool
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at com.amazonaws.thirdparty.apache.http.impl.conn.PoolingHttpClientConnectionManager.leaseConnection(PoolingHttpClientConnectionManager.java:286)
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at com.amazonaws.thirdparty.apache.http.impl.conn.PoolingHttpClientConnectionManager$1.get(PoolingHttpClientConnectionManager.java:263)
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at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source)
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at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
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at java.lang.reflect.Method.invoke(Method.java:498)
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at com.amazonaws.http.conn.ClientConnectionRequestFactory$Handler.invoke(ClientConnectionRequestFactory.java:70)
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at com.amazonaws.http.conn.$Proxy15.get(Unknown Source)
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at com.amazonaws.thirdparty.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:190)
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at com.amazonaws.thirdparty.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
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at com.amazonaws.thirdparty.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
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at com.amazonaws.thirdparty.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
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at com.amazonaws.thirdparty.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
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at com.amazonaws.http.apache.client.impl.SdkHttpClient.execute(SdkHttpClient.java:72)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1190)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1030)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:742)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:716)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:699)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:667)
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at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:649)
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at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:513)
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at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4221)
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at com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4168)
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at com.amazonaws.services.s3.AmazonS3Client.getObjectMetadata(AmazonS3Client.java:1249)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.getObjectMetadata(S3AFileSystem.java:1162)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.s3GetFileStatus(S3AFileSystem.java:2022)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.checkPathForDirectory(S3AFileSystem.java:1857)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.innerMkdirs(S3AFileSystem.java:1890)
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at org.apache.hadoop.fs.s3a.S3AFileSystem.mkdirs(S3AFileSystem.java:1826)
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at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:2230)
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```
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This is the same problem as the previous one, exhibited differently.
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### Issue: when writing data, HTTP Exceptions logged at info from `AmazonHttpClient`
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```
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