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https://issues.apache.org/jira/browse/COMPRESS-125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebb resolved COMPRESS-125.
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Resolution: Fixed
Fix Version/s: 1.2
Agreed - the check serves no purpose and can cause unnecessary failures
> BZip2CompressorInputStream throws IOException if underlying stream returns
> available() == 0
> -------------------------------------------------------------------------------------------
>
> Key: COMPRESS-125
> URL: https://issues.apache.org/jira/browse/COMPRESS-125
> Project: Commons Compress
> Issue Type: Bug
> Components: Compressors
> Affects Versions: 1.1
> Reporter: Robert Lichtenberger
> Priority: Minor
> Fix For: 1.2
>
>
> BZip2CompressorInputStream,init() will throw an IOException, if the passed
> stream returns 0 for available():
> {code:title=BZip2CompressorInputStream.java|borderStyle=solid}
> private void init() throws IOException {
> ...
> if (in.available() == 0) {
> throw new IOException("Empty InputStream");
> }
> ...
> }
> {code}
> I think this is not correct, because the underlying stream may indeed be able
> to only return 0 bytes without blocking but may be able to block a little and
> then return some more bytes.
> Note also the change in the API documentation from: "Returns the number of
> bytes that can be read " (1.4.2) to "Returns an estimate of the number of
> bytes that can be read".
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