[HADOOP-42] PositionCache decrements its position for reads at the end of file

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.1.0
• Component/s: fs
• Assignee: Unassigned
• Reporter: Konstantin Shvachko
• Created: 18/Feb/06 09:58
• Updated: 03/Aug/06 17:46
• Resolved: 23/Feb/06 14:17

Description

See

int org.apache.hadoop.fs.FSDataInputStream.PositionCache.read(byte[] b, int off, int len)

if in.read() returns -1 (e.g. at the end of file) the position in the cache will be decremented, while it should be retained.

The attached patch would fix it.