Seems like it only happens during or after SST. I wonder if this may happen because of data inconsistency...
On Thu, Dec 22, 2016 at 2:27 PM, Vladislav Vaintroub <[email protected]> wrote: > > > On 22.12.2016 17:38, l vic wrote: > >> I run this query every minute and I have this exception after couple of >> hours... >> Class.forName("org.mariadb.jdbc.Driver"); >> conn = DriverManager.getConnection(DB_URL, USER, PASS); >> stmt = conn.createStatement(); >> String sql = "SHOW STATUS LIKE 'wsrep_%'"; >> rs = stmt.executeQuery(sql); >> >> Is there something i can do to get root cause of that exception? >> Thank you, >> vic >> >> It should be some something on the server, but I do not have a better > idea that to look in server's error log file. Maybe periodic "show > processlist" can also sched some light on what happens right before server > would close the connection. As I mentioned, error log seems to indicate > memory pressure of some sort. > > >
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