ZlibCompressor hangs on close
-----------------------------
Key: HADOOP-6803
URL: https://issues.apache.org/jira/browse/HADOOP-6803
Project: Hadoop Common
Issue Type: Bug
Components: io
Affects Versions: 0.21.0, 0.22.0
Reporter: Eli Collins
Assignee: Eli Collins
Fix For: 0.21.0, 0.22.0
Looking at ZlibCompressor I noticed that the finished member is never modified,
and is therefore always false. This means ZlibCompressor#finished will always
return false so CompressorStream#close loops indefinitely in finish:
{code}
while (!compressor.finished()) {
compress();
}
{code}
I modifed TestCodec#testGzipCodecWrite to also cover writing using the native
lib and confirmed the hang with jstack. The fix is simple, ZlibCompressor
should record when it's been finished.
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