in src/main/java/com/ericsson/gerrit/plugins/eventslog/sql/SQLStore.java [264:273]
private boolean checkConnection() {
log.atFine().log("Checking database connection...");
try {
eventsDb.queryOne();
return true;
} catch (SQLException e) {
log.atSevere().withCause(e).log("Problem checking database connection");
return false;
}
}