The following errors in the /var/log/cb/solr/debug.log:
2020-04-21 08:40:57,124 - [ERROR] - from com.carbonblack.cbfs.solr.CbProcessUpdateRequestProcessorBase in qtp1157740463-92985
Insert document exception
org.apache.solr.common.SolrException: Exception writing document id 00004578-0000-17c4-01d6-17310bb4b9f3-01719b77e06c to the index; possible analysis error.
...
Caused by: java.nio.file.NoSuchFileException: /var/cb/data/solr6/cbevents2/cbevents_XXXXX/data/index/write.lock
Environment
EDR (formerly CB Response): All Supported Versions
Cause
Solr detects a missing SOLR core directory located at /var/cb/data/solr6/cbevents/cbevents_XXXXX
Resolution
This may include the writer core, which can be verified by checking the following:
The writer core should be the most recent core. It can be verified (if the directory exists) by taking a look at the contents of the core.properties file in the cbevents_XXXX directory: