Davin Tjong created MAPREDUCE-7494:
--------------------------------------
Summary: Fix potential file stream leaks caused by interruption
Key: MAPREDUCE-7494
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7494
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Davin Tjong
In LineRecordReader, we may open a filestream:
```
fileIn = FutureIO.awaitFuture(builder.build());
```
However, we may be interrupted or otherwise throw an error before `in` is
initialized, for example here:
```
fileIn.seek(start);
```
If this happens, the caller has no way to close this file stream causing it to
leak.
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