Package com.tinkerpop.gremlin.driver.exception

Examples of com.tinkerpop.gremlin.driver.exception.ConnectionException

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            channelizer.connected();

            logger.info("Created new connection for {}", uri);
        } catch (InterruptedException ie) {
            logger.debug("Error opening connection on {}", uri);
            throw new ConnectionException(uri, "Could not open connection", ie);
        }
    }
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    }

    public Connection borrowConnection(final long timeout, final TimeUnit unit) throws TimeoutException, ConnectionException {
        logger.debug("Borrowing connection from pool on {} - timeout in {} {}", host, timeout, unit);

        if (isClosed()) throw new ConnectionException(host.getHostUri(), host.getAddress(), "Pool is shutdown");

        final Connection leastUsedConn = selectLeastUsed();

        if (connections.isEmpty()) {
            logger.debug("Tried to borrow connection but the pool was empty for {} - scheduling pool creation and waiting for connection", host);
            for (int i = 0; i < minPoolSize; i++) {
                scheduledForCreation.incrementAndGet();
                newConnection();
            }

            return waitForConnection(timeout, unit);
        }

        if (null == leastUsedConn) {
            if (isClosed())
                throw new ConnectionException(host.getHostUri(), host.getAddress(), "Pool is shutdown");
            logger.debug("Pool was initialized but a connection could not be selected earlier - waiting for connection on {}", host);
            return waitForConnection(timeout, unit);
        }

        // if the number in flight on the least used connection exceeds the max allowed and the pool size is
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        }
    }

    public void returnConnection(final Connection connection) throws ConnectionException {
        logger.debug("Attempting to return {} on {}", connection, host);
        if (isClosed()) throw new ConnectionException(host.getHostUri(), host.getAddress(), "Pool is shutdown");

        int inFlight = connection.inFlight.decrementAndGet();
        if (connection.isDead()) {
            logger.debug("Marking {} as dead", this.host);
            considerUnavailable();
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                Thread.currentThread().interrupt();
                to = 0;
            }

            if (isClosed())
                throw new ConnectionException(host.getHostUri(), host.getAddress(), "Pool is shutdown");

            final Connection leastUsed = selectLeastUsed();
            if (leastUsed != null) {
                while (true) {
                    final int inFlight = leastUsed.inFlight.get();
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Related Classes of com.tinkerpop.gremlin.driver.exception.ConnectionException

  • com.tinkerpop.gremlin.driver.Connection
  • com.tinkerpop.gremlin.driver.ConnectionPool
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