On 5/11/2017 3:49 PM, Oakley, Craig (NIH/NLM/NCBI) [C] wrote: > FWIW, we now have a hypothetical suspect. We are getting these errors on > three CentOS7 hosts, each of which recently had antivirus software installed.
Lucene index files tend to be large binary files where almost any combination of bytes is possible. Antivirus software should have an exclusion for your solr home, because the possibility of a match in a Lucene index file against one of the antivirus signatures is high. If the antivirus software is configured to automatically clean any infections it finds, this would be a VERY bad thing to happen to an index in your Solr install, and would explain the error message you're seeing. Thanks, Shawn