Package com.datastax.driver.core.exceptions

Examples of com.datastax.driver.core.exceptions.DriverException

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            // Sets interrupted status
            Thread.currentThread().interrupt();

            // Indicates that all remaining hosts are skipped due to the interruption
            if (host != null)
                errors = logError(host, new DriverException("Connection thread interrupted"), errors, iter);
            while (iter.hasNext())
                errors = logError(iter.next(), new DriverException("Connection thread interrupted"), errors, iter);
        }
        throw new NoHostAvailableException(errors == null ? Collections.<InetSocketAddress, Throwable>emptyMap() : errors);
    }
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                connection.release();
            logError(host.getSocketAddress(), e);
            return false;
        } catch (TimeoutException e) {
            // We timeout, log it but move to the next node.
            logError(host.getSocketAddress(), new DriverException("Timeout while trying to acquire available connection (you may want to increase the driver number of per-host connections)"));
            return false;
        } catch (RuntimeException e) {
            if (connection != null)
                connection.release();
            logger.error("Unexpected error while querying " + host.getAddress(), e);
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                            }
                            break;
                        case OVERLOADED:
                            // Try another node
                            logger.warn("Host {} is overloaded, trying next host.", connection.address);
                            logError(connection.address, new DriverException("Host overloaded"));
                            if (metricsEnabled())
                                metrics().getErrorMetrics().getOthers().inc();
                            retry(false, null);
                            return;
                        case IS_BOOTSTRAPPING:
                            // Try another node
                            logger.error("Query sent to {} but it is bootstrapping. This shouldn't happen but trying next host.", connection.address);
                            logError(connection.address, new DriverException("Host is bootstrapping"));
                            if (metricsEnabled())
                                metrics().getErrorMetrics().getOthers().inc();
                            retry(false, null);
                            return;
                        case UNPREPARED:
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                    case RESULT:
                        if (((Responses.Result)response).kind == Responses.Result.Kind.PREPARED) {
                            logger.debug("Scheduling retry now that query is prepared");
                            retry(true, null);
                        } else {
                            logError(connection.address, new DriverException("Got unexpected response to prepare message: " + response));
                            retry(false, null);
                        }
                        break;
                    case ERROR:
                        logError(connection.address, new DriverException("Error preparing query, got " + response));
                        if (metricsEnabled())
                            metrics().getErrorMetrics().getOthers().inc();
                        retry(false, null);
                        break;
                    default:
                        // Something's wrong, so we return but we let setFinalResult propagate the exception
                        RequestHandler.this.setFinalResult(connection, response);
                        break;
                }
            }

            @Override
            public void onException(Connection connection, Exception exception, long latency) {
                RequestHandler.this.onException(connection, exception, latency);
            }

            @Override
            public void onTimeout(Connection connection, long latency) {
                logError(connection.address, new DriverException("Timeout waiting for response to prepare message"));
                retry(false, null);
            }
        };
    }
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        Host queriedHost = current;
        try {
            if (connection instanceof PooledConnection)
                ((PooledConnection)connection).release();

            logError(connection.address, new DriverException("Timeout during read"));
            retry(false, null);
        } catch (Exception e) {
            // This shouldn't happen, but if it does, we want to signal the callback, not let him hang indefinitively
            setFinalException(null, new DriverInternalError("An unexpected error happened while handling timeout", e));
        } finally {
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            // Sets interrupted status
            Thread.currentThread().interrupt();

            // Indicates that all remaining hosts are skipped due to the interruption
            if (host != null)
                errors = logError(host, new DriverException("Connection thread interrupted"), errors, iter);
            while (iter.hasNext())
                errors = logError(iter.next(), new DriverException("Connection thread interrupted"), errors, iter);
        }
        throw new NoHostAvailableException(errors == null ? Collections.<InetSocketAddress, Throwable>emptyMap() : errors);
    }
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                connection.release();
            logError(host.getSocketAddress(), e);
            return false;
        } catch (TimeoutException e) {
            // We timeout, log it but move to the next node.
            logError(host.getSocketAddress(), new DriverException("Timeout while trying to acquire available connection (you may want to increase the driver number of per-host connections)"));
            return false;
        } catch (RuntimeException e) {
            if (connection != null)
                connection.release();
            logger.error("Unexpected error while querying " + host.getAddress(), e);
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                                                              queryRetries);
                            break;
                        case OVERLOADED:
                            // Try another node
                            logger.warn("Host {} is overloaded, trying next host.", connection.address);
                            logError(connection.address, new DriverException("Host overloaded"));
                            if (metricsEnabled())
                                metrics().getErrorMetrics().getOthers().inc();
                            retry(false, null);
                            return;
                        case IS_BOOTSTRAPPING:
                            // Try another node
                            logger.error("Query sent to {} but it is bootstrapping. This shouldn't happen but trying next host.", connection.address);
                            logError(connection.address, new DriverException("Host is bootstrapping"));
                            if (metricsEnabled())
                                metrics().getErrorMetrics().getOthers().inc();
                            retry(false, null);
                            return;
                        case UNPREPARED:
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                    case RESULT:
                        if (((Responses.Result)response).kind == Responses.Result.Kind.PREPARED) {
                            logger.trace("Scheduling retry now that query is prepared");
                            retry(true, null);
                        } else {
                            logError(connection.address, new DriverException("Got unexpected response to prepare message: " + response));
                            retry(false, null);
                        }
                        break;
                    case ERROR:
                        logError(connection.address, new DriverException("Error preparing query, got " + response));
                        if (metricsEnabled())
                            metrics().getErrorMetrics().getOthers().inc();
                        retry(false, null);
                        break;
                    default:
                        // Something's wrong, so we return but we let setFinalResult propagate the exception
                        RequestHandler.this.setFinalResult(connection, response);
                        break;
                }
            }

            @Override
            public void onException(Connection connection, Exception exception, long latency) {
                RequestHandler.this.onException(connection, exception, latency);
            }

            @Override
            public void onTimeout(Connection connection, long latency) {
                logError(connection.address, new DriverException("Timeout waiting for response to prepare message"));
                retry(false, null);
            }
        };
    }
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        Host queriedHost = current;
        try {
            if (connection instanceof PooledConnection)
                ((PooledConnection)connection).release();

            logError(connection.address, new DriverException("Timeout during read"));
            retry(false, null);
        } catch (Exception e) {
            // This shouldn't happen, but if it does, we want to signal the callback, not let him hang indefinitively
            setFinalException(null, new DriverInternalError("An unexpected error happened while handling timeout", e));
        } finally {
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Related Classes of com.datastax.driver.core.exceptions.DriverException

  • com.datastax.driver.core.ControlConnection
  • com.datastax.driver.core.RequestHandler
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