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https://issues.apache.org/jira/browse/CRYPTO-135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15877240#comment-15877240
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Dapeng Sun commented on CRYPTO-135:
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Thank [~vanzin] for file this issue, I think we should fix it.
[~junjie] Do you have any comments?
> 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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