Check the log for for an OOM crash. Fatal exceptions will be in the main solr log and out of memory errors will be in their own -oom log.
I've encountered quite a few solr crashes and usually it's when there's a threshold of concurrent users and/or indexing happening. On Thu, May 14, 2020, 9:23 AM Ryan W <rya...@gmail.com> wrote: > Hi all, > > I manage a site where solr has stopped running a couple times in the past > week. The server hasn't been rebooted, so that's not the reason. What else > causes solr to stop running? How can I investigate why this is happening? > > Thank you, > Ryan >