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Posted to issues@commons.apache.org by "Marcelo Vanzin (JIRA)" <ji...@apache.org> on 2017/02/15 19:48:41 UTC

[jira] [Created] (CRYPTO-135) CryptoOutputStream is always blocking

Marcelo Vanzin created CRYPTO-135:
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             Summary: CryptoOutputStream is always blocking
                 Key: CRYPTO-135
                 URL: https://issues.apache.org/jira/browse/CRYPTO-135
             Project: Commons Crypto
          Issue Type: Bug
          Components: Stream
    Affects Versions: 1.1.0
            Reporter: Marcelo Vanzin


CRYPTO-125 described a bug where not all data written to the CryptoOutputStream would make it to the underlying channel if that channel was non-blocking.

The fix added in that bug makes CryptoOutputStream blocking by doing a busy loop. This makes it a poor match (not to say unusable) for applications that use non-blocking channels, since it will turn non-blocking streams into blocking streams that waste a lot of CPU.

Instead, CryptoOutputStream should correctly implement non-blocking semantics in its implementation of WritableByteChannel.



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