Examples with MongoConfigurationException com.mongodb.MongoConfigurationException used on opensource projects

Example 6 with MongoConfigurationException

use of com.mongodb.MongoConfigurationException in project mongo-java-driver by mongodb.

the class LoadBalancedClusterTest method shouldTimeoutSelectServerAsynchronouslyWhenThereIsSRVLookupException.

@Test
public void shouldTimeoutSelectServerAsynchronouslyWhenThereIsSRVLookupException() {
    // given
    String srvHostName = "foo.bar.com";
    ServerAddress resolvedServerAddress = new ServerAddress("host1");
    ClusterableServer expectedServer = mock(ClusterableServer.class);
    ClusterSettings clusterSettings = ClusterSettings.builder().serverSelectionTimeout(10, MILLISECONDS).mode(ClusterConnectionMode.LOAD_BALANCED).srvHost(srvHostName).build();
    ClusterableServerFactory serverFactory = mockServerFactory(resolvedServerAddress, expectedServer);
    DnsSrvRecordMonitorFactory dnsSrvRecordMonitorFactory = mock(DnsSrvRecordMonitorFactory.class);
    when(dnsSrvRecordMonitorFactory.create(eq(srvHostName), eq(clusterSettings.getSrvServiceName()), any())).thenAnswer(invocation -> new TestDnsSrvRecordMonitor(invocation.getArgument(2)).sleepTime(Duration.ofMillis(1)).exception(new MongoConfigurationException("Unable to resolve SRV record")));
    cluster = new LoadBalancedCluster(new ClusterId(), clusterSettings, serverFactory, dnsSrvRecordMonitorFactory);
    FutureResultCallback<ServerTuple> callback = new FutureResultCallback<>();
    cluster.selectServerAsync(mock(ServerSelector.class), callback);
    MongoTimeoutException exception = assertThrows(MongoTimeoutException.class, callback::get);
    assertEquals("Timed out after 10 ms while waiting to resolve SRV records for foo.bar.com. " + "Resolution exception was 'com.mongodb.MongoConfigurationException: Unable to resolve SRV record'", exception.getMessage());
}

Example 7 with MongoConfigurationException

use of com.mongodb.MongoConfigurationException in project mongo-java-driver by mongodb.

the class DefaultDnsResolver method resolveAdditionalQueryParametersFromTxtRecords.

/*
      A TXT record is just a string
      We require each to be one or more query parameters for a MongoDB connection string.
      Here we concatenate TXT records together with a '&' separator as required by connection strings
    */
@Override
public String resolveAdditionalQueryParametersFromTxtRecords(final String host) {
    String additionalQueryParameters = "";
    InitialDirContext dirContext = createDnsDirContext();
    try {
        Attributes attributes = dirContext.getAttributes(host, new String[] { "TXT" });
        Attribute attribute = attributes.get("TXT");
        if (attribute != null) {
            NamingEnumeration<?> txtRecordEnumeration = attribute.getAll();
            if (txtRecordEnumeration.hasMore()) {
                // Remove all space characters, as the DNS resolver for TXT records inserts a space character
                // between each character-string in a single TXT record.  That whitespace is spurious in
                // this context and must be removed
                additionalQueryParameters = ((String) txtRecordEnumeration.next()).replaceAll("\\s", "");
                if (txtRecordEnumeration.hasMore()) {
                    throw new MongoConfigurationException(format("Multiple TXT records found for host '%s'.  Only one is permitted", host));
                }
            }
        }
    } catch (NamingException e) {
        throw new MongoConfigurationException("Unable to look up TXT record for host " + host, e);
    } finally {
        try {
            dirContext.close();
        } catch (NamingException e) {
        // ignore
        }
    }
    return additionalQueryParameters;
}