@Override public ReadTimeoutException copy() { return new ReadTimeoutException( getAddress(), getMessage(), this, getConsistencyLevel(), getReceivedAcknowledgements(), getRequiredAcknowledgements(), wasDataRetrieved()); }
@Test(groups = "unit") public void should_create_proper_read_timeout_exception() { ReadTimeoutException e = new ReadTimeoutException(address1, LOCAL_QUORUM, 2, 3, true); assertThat(e.getMessage()) .isEqualTo( "Cassandra timeout during read query at consistency LOCAL_QUORUM (3 responses were required but only 2 replica responded)"); assertThat(e.getConsistencyLevel()).isEqualTo(LOCAL_QUORUM); assertThat(e.getReceivedAcknowledgements()).isEqualTo(2); assertThat(e.getRequiredAcknowledgements()).isEqualTo(3); assertThat(e.wasDataRetrieved()).isTrue(); assertThat(e.getAddress()).isEqualTo(address1); assertThat(e.getHost()).isEqualTo(address1.getAddress()); e = e.copy(address2); assertThat(e.getMessage()) .isEqualTo( "Cassandra timeout during read query at consistency LOCAL_QUORUM (3 responses were required but only 2 replica responded)"); assertThat(e.getConsistencyLevel()).isEqualTo(LOCAL_QUORUM); assertThat(e.getReceivedAcknowledgements()).isEqualTo(2); assertThat(e.getRequiredAcknowledgements()).isEqualTo(3); assertThat(e.wasDataRetrieved()).isTrue(); assertThat(e.getAddress()).isEqualTo(address2); assertThat(e.getHost()).isEqualTo(address2.getAddress()); }
public ReadTimeoutException( InetSocketAddress address, ConsistencyLevel consistency, int received, int required, boolean dataPresent) { super( address, String.format( "Cassandra timeout during read query at consistency %s (%s)", consistency, formatDetails(received, required, dataPresent)), consistency, received, required); this.dataPresent = dataPresent; }
@Test(groups = "short") public void should_throw_proper_read_timeout_exception() { simulateError(1, read_request_timeout); try { query(); fail("expected a ReadTimeoutException"); } catch (ReadTimeoutException e) { assertThat(e.getMessage()) .isEqualTo( "Cassandra timeout during read query at consistency LOCAL_ONE (1 responses were required but only 0 replica responded)"); assertThat(e.getConsistencyLevel()).isEqualTo(LOCAL_ONE); assertThat(e.getReceivedAcknowledgements()).isEqualTo(0); assertThat(e.getRequiredAcknowledgements()).isEqualTo(1); assertThat(e.getAddress()).isEqualTo(host1.getSocketAddress()); assertThat(e.getHost()).isEqualTo(host1.getAddress()); } }
retryPolicy.onReadTimeout( statement, rte.getConsistencyLevel(), rte.getRequiredAcknowledgements(), rte.getReceivedAcknowledgements(), rte.wasDataRetrieved(), retriesByPolicy); if (metricsEnabled()) {
new Exception(), null, new ReadTimeoutException(ConsistencyLevel.ANY, 1, 1, true), null, null);
return ((WriteTimeoutException) infos).copy(host); case READ_TIMEOUT: return ((ReadTimeoutException) infos).copy(host); case WRITE_FAILURE: return ((WriteFailureException) infos).copy(host);
/** * Ensures that when handling a read timeout with {@link DowngradingConsistencyRetryPolicy} that a * retry is reattempted with {@link ConsistencyLevel#ONE} if the consistency level on the * statement executed is {@link ConsistencyLevel#EACH_QUORUM}, even if the number of known alive * replicas was 0. * * @jira_ticket JAVA-1005 * @test_category retry_policy */ @Test(groups = "short") public void should_retry_once_on_same_host_from_each_quorum_to_one() { simulateError(1, read_request_timeout, new ReadTimeoutConfig(0, 3, false)); try { queryWithCL(ConsistencyLevel.EACH_QUORUM); } catch (ReadTimeoutException e) { assertThat(e.getConsistencyLevel()).isEqualTo(ConsistencyLevel.ONE); } assertOnReadTimeoutWasCalled(2); assertThat(errors.getRetries().getCount()).isEqualTo(1); assertThat(errors.getReadTimeouts().getCount()).isEqualTo(2); assertThat(errors.getRetriesOnReadTimeout().getCount()).isEqualTo(1); assertQueried(1, 2); assertQueried(2, 0); assertQueried(3, 0); }
return new CassandraReadTimeoutException(((ReadTimeoutException) exception).wasDataRetrieved(), exception.getMessage(), exception);
ReadTimeoutException rte = (ReadTimeoutException) err.infos; retry = retryPolicy.onReadTimeout(statement, rte.getConsistencyLevel(), rte.getRequiredAcknowledgements(), rte.getReceivedAcknowledgements(), rte.wasDataRetrieved(), retriesByPolicy); if (metricsEnabled()) {
@Test(groups = "short") public void should_throw_proper_read_timeout_exception() { simulateError(1, read_request_timeout); try { query(); fail("expected a ReadTimeoutException"); } catch (ReadTimeoutException e) { assertThat(e.getMessage()) .isEqualTo( "Cassandra timeout during read query at consistency LOCAL_ONE (1 responses were required but only 0 replica responded)"); assertThat(e.getConsistencyLevel()).isEqualTo(LOCAL_ONE); assertThat(e.getReceivedAcknowledgements()).isEqualTo(0); assertThat(e.getRequiredAcknowledgements()).isEqualTo(1); assertThat(e.getAddress()).isEqualTo(host1.getSocketAddress()); assertThat(e.getHost()).isEqualTo(host1.getAddress()); } }
new Exception(), null, new ReadTimeoutException(ConsistencyLevel.ANY, 1, 1, true), null, null);
public DriverException asException(InetSocketAddress host) { switch (code) { case SERVER_ERROR: return new DriverInternalError(String.format("An unexpected error occurred server side on %s: %s", host, message)); case PROTOCOL_ERROR: return new DriverInternalError("An unexpected protocol error occurred. This is a bug in this library, please report: " + message); case BAD_CREDENTIALS: return new AuthenticationException(host, message); case UNAVAILABLE: return ((UnavailableException)infos).copy(); // We copy to have a nice stack trace case OVERLOADED: return new DriverInternalError(String.format("Queried host (%s) was overloaded; this shouldn't happen, another node should have been tried", host)); case IS_BOOTSTRAPPING: return new DriverInternalError(String.format("Queried host (%s) was bootstrapping; this shouldn't happen, another node should have been tried", host)); case TRUNCATE_ERROR: return new TruncateException(message); case WRITE_TIMEOUT: return ((WriteTimeoutException)infos).copy(); case READ_TIMEOUT: return ((ReadTimeoutException)infos).copy(); case SYNTAX_ERROR: return new SyntaxError(message); case UNAUTHORIZED: return new UnauthorizedException(message); case INVALID: return new InvalidQueryException(message); case CONFIG_ERROR: return new InvalidConfigurationInQueryException(message); case ALREADY_EXISTS: return ((AlreadyExistsException)infos).copy(); case UNPREPARED: return new DriverInternalError(String.format("A prepared query was submitted on %s but was not known of that node; this shouldn't happen, the query should have been re-prepared", host)); default: return new DriverInternalError(String.format("Unknown protocol error code %s returned by %s. The error message was: %s", code, host, message)); } }
/** * Ensures that when handling a read timeout with {@link DowngradingConsistencyRetryPolicy} that a * retry is reattempted with a {@link ConsistencyLevel} that matches min(received * acknowledgements, THREE) and is only retried once. * * @param received The number of received acknowledgements to use in read timeout. * @param expectedDowngradedCL The consistency level that is expected to be used on the retry. * @test_category retry_policy */ @Test(groups = "short", dataProvider = "consistencyLevels") public void should_retry_once_on_same_host_with_reduced_consistency_level_on_read_timeout( int received, ConsistencyLevel expectedDowngradedCL) { simulateError(1, read_request_timeout, new ReadTimeoutConfig(received, received + 1, true)); try { query(); fail("expected an ReadTimeoutException"); } catch (ReadTimeoutException e) { assertThat(e.getConsistencyLevel()).isEqualTo(expectedDowngradedCL); } assertOnReadTimeoutWasCalled(2); assertThat(errors.getRetries().getCount()).isEqualTo(1); assertThat(errors.getReadTimeouts().getCount()).isEqualTo(2); assertThat(errors.getRetriesOnReadTimeout().getCount()).isEqualTo(1); assertQueried(1, 2); assertQueried(2, 0); assertQueried(3, 0); }
return new CassandraReadTimeoutException(((ReadTimeoutException) exception).wasDataRetrieved(), message, exception);
/** * Create a copy of this exception with a nicer stack trace, and including the coordinator address * that caused this exception to be raised. * * <p>This method is mainly intended for internal use by the driver and exists mainly because: * * <ol> * <li>the original exception was decoded from a response frame and at that time, the * coordinator address was not available; and * <li>the newly-created exception will refer to the current thread in its stack trace, which * generally yields a more user-friendly stack trace that the original one. * </ol> * * @param address The full address of the host that caused this exception to be thrown. * @return a copy/clone of this exception, but with the given host address instead of the original * one. */ public ReadTimeoutException copy(InetSocketAddress address) { return new ReadTimeoutException( address, getMessage(), this, getConsistencyLevel(), getReceivedAcknowledgements(), getRequiredAcknowledgements(), wasDataRetrieved()); } }
@Test(groups = "unit") public void should_create_proper_read_timeout_exception() { ReadTimeoutException e = new ReadTimeoutException(address1, LOCAL_QUORUM, 2, 3, true); assertThat(e.getMessage()) .isEqualTo( "Cassandra timeout during read query at consistency LOCAL_QUORUM (3 responses were required but only 2 replica responded)"); assertThat(e.getConsistencyLevel()).isEqualTo(LOCAL_QUORUM); assertThat(e.getReceivedAcknowledgements()).isEqualTo(2); assertThat(e.getRequiredAcknowledgements()).isEqualTo(3); assertThat(e.wasDataRetrieved()).isTrue(); assertThat(e.getAddress()).isEqualTo(address1); assertThat(e.getHost()).isEqualTo(address1.getAddress()); e = e.copy(address2); assertThat(e.getMessage()) .isEqualTo( "Cassandra timeout during read query at consistency LOCAL_QUORUM (3 responses were required but only 2 replica responded)"); assertThat(e.getConsistencyLevel()).isEqualTo(LOCAL_QUORUM); assertThat(e.getReceivedAcknowledgements()).isEqualTo(2); assertThat(e.getRequiredAcknowledgements()).isEqualTo(3); assertThat(e.wasDataRetrieved()).isTrue(); assertThat(e.getAddress()).isEqualTo(address2); assertThat(e.getHost()).isEqualTo(address2.getAddress()); }
ReadTimeoutException rte = (ReadTimeoutException) err.infos; retry = retryPolicy.onReadTimeout(statement, rte.getConsistencyLevel(), rte.getRequiredAcknowledgements(), rte.getReceivedAcknowledgements(), rte.wasDataRetrieved(), retriesByPolicy); if (metricsEnabled()) {
new Exception(), null, new ReadTimeoutException(ConsistencyLevel.ANY, 1, 1, true), null, null);
return ((WriteTimeoutException) infos).copy(host); case READ_TIMEOUT: return ((ReadTimeoutException) infos).copy(host); case WRITE_FAILURE: return ((WriteFailureException) infos).copy(host);