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From Webster Homer <webster.ho...@sial.com>
Subject Null Pointer exception after upgrading lucene index from 6.1 to 7.2
Date Mon, 12 Feb 2018 19:23:07 GMT
We ran the org.apache.lucene.index.IndexUpgrader as part of upgrading from
6.1 to 7.2.0

After the upgrade, one of our collections threw a NullPointerException on a
query of *:*

We didn't observe errors in the logs. All of our other collections appear
to be fine.

Re-indexing the collection seems to have fixed the issue.

So be very careful with the upgrade tool it is not robust

-- 


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