CompressorStreamFactory hangs when creating BZip2CompressorInputStream from
ReaderInputStream
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Key: COMPRESS-155
URL: https://issues.apache.org/jira/browse/COMPRESS-155
Project: Commons Compress
Issue Type: Bug
Reporter: PNS
Priority: Blocker
Assume that one wants to read a BZIP2 file but only has a reference to a
BufferedReader object and not to the File object itself.
An approach would be creating an InputStream from the BufferedReader reference,
using the org.apache.commons.io.input.ReaderInputStream class, as follows:
BufferedReader reader = <the reader to the actual BZIP2 file>;
InputStream is = new ReaderInputStream(reader);
CompressorInputStream cis = new
CompressorStreamFactory().createCompressorInputStream(is);
However, the call to the createCompressorInputStream() method hangs on the
statement
int signatureLength = in.read(signature); // CompressorStreamFactory line 93 in
commons-compress v1.2
The problem seems to be in the read(byte[] b, int off, int len) method of
ReaderInputStream, which is called by the method fill(), in turn called by
read1(byte[] b, int off, int len) in BufferedInputStream.
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