Stephen Macke created LUCENE-5071:
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Summary: problem with Direct IO seek() leading to EOFException
Key: LUCENE-5071
URL: https://issues.apache.org/jira/browse/LUCENE-5071
Project: Lucene - Core
Issue Type: Bug
Components: core/store
Affects Versions: 4.3.1, 3.6.2
Environment: Linux kernel 3.2.0-48-generic
jdk 1.6.0_43
Reporter: Stephen Macke
I think this actually affects 3.1.0 and up, but I was too lazy to type all
those out and just included release versions for brevity.
DirectIOLinuxIndexInput in 3.6.2 and NativeUnixIndexInput in 4.3.1 have in
issue with the seek() method. If we seek() to the end of a file (can happen
when merger is doing a clone()) whose length is a multiple of 512, then we will
unnecessarily call refill(), which will throw an EOFException.
Quick fix is to surround refill() with this condition:
if (pos < length()) {
refill();
}
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