jixuan1989 commented on pull request #1448:
URL: https://github.com/apache/incubator-iotdb/pull/1448#issuecomment-653832585
SnappyUnCompressor.java
```java
@Override
public int uncompress(byte[] byteArray, int offset, int length, byte[]
output, int outOffset)
throws IOException {
Snappy.uncompressedLength(byteArray, offset, length);
return Snappy.uncompress(byteArray, offset, length, output, outOffset);
}
```
`Snappy.uncompressedLength(byteArray, offset, length);` is not used...
either remove it or check whether the length of the output[] satisfies.
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