: I've been able to reproduce a crash we are seeing in our product with newer
: Lucene versions.

Can you be specific?  What exact versions of Lucene are you using that 
reproduces this failure?  If you know of other "older" versions where you 
can't reproduce the problem, that info would also be helpful...


I tried running your test code against the current branch_8x and was 
unable to trigger any sort of failure.  I also tried using 8.4.1 based on 
the stack trace indicating that you must be using a version of lucene no 
older then 8.4 given the codec in use -- and was also unable to reproduce 
any sort of problem.

Also note that as written your LuceneCrash code leaves an index on disk 
which is re-used the next time the code is run: does the problem reproduce 
for you if you manually "rm -r /tmp/xxx" and run it again, or is the 
problem specific to having some "cruft" documents left in the index from 
previous runs?  Can you zip up the contents of /tmp/xxx on your machine 
and attache it ti a new jira?


: Interestingly, the bug does not happen if the index is created on a
: ByteBuffersDirectory.

That makes it seem like the bug might be filesystem specific -- what impl 
does the FSDirectory.open() call in your code return?



-Hoss
http://www.lucidworks.com/

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