fa3754c13dced327c780445b46954e5ec61989f3,src/com/vaadin/terminal/gwt/server/AbstractCommunicationManager.java,AbstractCommunicationManager,handleBurst,#Object#Application#String#,1393

Before Change


                final ClientConnector connector = getConnector(app,
                        invocation.getConnectorId());

                if (connector.isConnectorEnabled()) {
                    enabledConnectors.add(connector);
                }
            }

After Change


                final ClientConnector connector = getConnector(app,
                        invocation.getConnectorId());

                if (connector != null && connector.isConnectorEnabled()) {
                    enabledConnectors.add(connector);
                }
            }