Solr data missing from full import on "Error getting file length for segments_XX"
<p>Getting below warning in solr 6.1.0 full import</p>

<blockquote>
  <p>LukeRequestHandler</p>
  
  <p>Error getting file length for [segments_1m]</p>
  
  <p>java.nio.file.NoSuchFileException: solr/example/techproducts/solr/techproducts/data/index/segments_1m</p>
</blockquote>

<p>around 70k out of 8.5L data records are missing from solr.
In Solr 5.5 this issue was reported but fixed in that version. Still facing this issue in solr 6.1.0.
Pleases refer:
<a href="https://issues.apache.org/jira/browse/SOLR-8793" rel="nofollow">https://issues.apache.org/jira/browse/SOLR-8793</a></p>