2017-10-05 16:50:35.784  INFO [nio-8090-exec-1]    i.k.m.directory.DirectoryManager : Found 0 match(es) in HS for 'artur-'
2017-10-05 16:50:35.785  INFO [nio-8090-exec-1]    i.k.m.directory.DirectoryManager : Using Directory provider SynapseSqliteDirectoryProvider
2017-10-05 16:50:35.785  INFO [nio-8090-exec-1]    i.k.m.b.sql.SqlDirectoryProvider : Searching users by display name using 'artur-'
2017-10-05 16:50:35.840  INFO [nio-8090-exec-1] .v.c.i.AbstractPoolBackedDataSource : Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 2, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, contextClassLoaderSource -> caller, dataSourceName -> 1bqq1hg9q1tvqm5m1nxw8kv|78d39a69, debugUnreturnedConnectionStackTraces -> false, description -> null, driverClass -> null, extensions -> {}, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, forceSynchronousCheckins -> false, forceUseNamedDriverClass -> false, identityToken -> 1bqq1hg9q1tvqm5m1nxw8kv|78d39a69, idleConnectionTestPeriod -> 0, initialPoolSize -> 3, jdbcUrl -> jdbc:postgresql:null, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 0, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 10, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 1, numHelperThreads -> 3, preferredTestQuery -> null, privilegeSpawnedThreads -> false, properties -> {}, propertyCycle -> 0, statementCacheNumDeferredCloseThreads -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, userOverrides -> {}, usesTraditionalReflectiveProxies -> false ]
2017-10-05 16:50:35.916 ERROR [HelperThread-#2]               org.postgresql.Driver : Connection error:

org.postgresql.util.PSQLException: Connection to localhost:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.