Issues

• Memory leak in S3EncryptionClient.getObject()

  aws/amazon-s3-encryption-client-java#518 · Filter by author KaurKadakWise opened on Jul 6, 2026

• S3EncryptionClientException: Re-subscription is not supported during Multipart Upload retry (InputStream source)

  aws/amazon-s3-encryption-client-java#499 · Filter by author AkshayNeema15 opened on Jan 14, 2026
  1

• S3EncryptionClient builder requires region input even when endpointOverride is provided

  aws/amazon-s3-encryption-client-java#486 · Filter by author daksh0225 opened on Sep 2, 2025

• OOM and request cancellation when reading large objects

  good first issue
  aws/amazon-s3-encryption-client-java#484 · Filter by author michaelpaliy opened on Aug 21, 2025
  6

• Inconsistency behavior of the EncryptionClient wrt the regular client about end of stream behavior

  aws/amazon-s3-encryption-client-java#300 · Filter by author NathanEckert opened on Jun 19, 2024
  4

• Multipart upload with CSE using RSA key pair

  aws/amazon-s3-encryption-client-java#268 · Filter by author sid22 opened on May 13, 2024
  5

• S3 Encryption client does throw an error for ranges greater than EOF

  enhancement
  aws/amazon-s3-encryption-client-java#200 · Filter by author ahmarsuhail opened on Mar 7, 2024
  2

• S3EncryptionClient (not async) Unable to execute HTTP request: headersFuture is still not completed when onStream() is invoked.

  bugquestion
  aws/amazon-s3-encryption-client-java#186 · Filter by author EvgenyKislyy opened on Feb 24, 2024
  5

• Range queries for undefined start or end bytes fails due to regex

  enhancement
  aws/amazon-s3-encryption-client-java#182 · Filter by author tbaeg opened on Feb 1, 2024
  3