Solr likes memory. A lot. Even 2G is quite small by recent installations I have seen.
There is an "oom killer script" that can be specified to kill Solr if it gets an OOM, at least then you have something to warn you. After an OOM, Java is in an indeterminate state so all bets are off. Best, Erick On Tue, Apr 25, 2017 at 11:05 AM, Daniel Miller <dmil...@amfes.com> wrote: > The problem isn't a particular email message - I get a cascade of those > errors (every time a new message is received) once the server "breaks". The > fix is to restart the server. I did find a Java heap error in the log - so > I've increased the memory allocation (now to -Xms512m -Xmx2048m). I had > thought that a heap failure would result in "simple" termination - and that > systemd would restart it appropriately - but obviously I'm missing > something. > > I was hoping to be able to help find whatever the bug might be - if indeed > there is one - or if the problem is simply not enough memory available to > Solr. > > As for the Dovecot specifics, if you'll check the Dovecot user mailing list > archives for "Solr 6.4.1 config" you should find my post, including my > config. If you need it I'll be happy to re-post that message here. > Searching is performed by the IMAP clients via Dovecot - so no manual Solr > queries are performed. I simply use the search function of my mail clients > that support server-side searches (Thunderbird for Windoze/Linux, AquaMail > for Android). > > -- > Daniel > > > On 4/24/2017 5:43 PM, Rick Leir wrote: >> >> Daniel, >> Would it be too much trouble to get some text out of that particular email >> message, and try it in the Solr Admin Analysis tool? >> >> By the way, I also have my email in Dovecot. Would you be able to describe >> how you index it and how you query to find an email? Perhaps with scripts in >> a github project? >> Thanks -- Rick >> >> On April 24, 2017 5:55:29 PM EDT, Daniel Miller <dmil...@amfes.com> wrote: >>> >>> I'm running Solr 6.4.2 to index my mail server (Dovecot). Searching is >>> great - but periodically I have Solr errors. Previously, when an error >>> would occur Solr would terminate. I now have it running as a systemd >>> service so it would auto-restart - but it seems like that doesn't solve >>> it. >>> >>> Some of the log lines include: >>> >>> 2017-04-24 18:18:31.101 ERROR (qtp594427726-30) [ x:dovecot] >>> o.a.s.h.RequestHandlerBase org.apache.solr.common.SolrException: >>> Exception writing document id >>> 17697/7db132200dd2df4d2f7b00003bc41c5f/dmil...@amfes.com to the index; >>> possible analysis error. >>> >>> 2017-04-24 18:18:31.125 ERROR (qtp594427726-32) [ x:dovecot] >>> o.a.s.h.RequestHandlerBase org.apache.solr.common.SolrException: Error >>> opening new searcher >>> >>> I don't know what else to provide to try to troubleshoot this. >>> >>> -- >>> Daniel > >
