private List<ServletContextImpl> getServletContexts(final ServerConfig serverConfig) { DeploymentDescriptorBuilder deploymentDescriptorBuilder = getDeploymentDescriptorBuilder(new FileSessionStorage(serverConfig.getTempPath()), serverConfig); List<ServletContextImpl> servletContexts = deploymentDescriptorBuilder.build(); for (ServletContextImpl servletContextImpl : servletContexts) { for (Map.Entry<String, Object> entry : getAdditionalServletContextAttributes().entrySet()) { servletContextImpl.setAttribute(entry.getKey(), entry.getValue()); } } return servletContexts; }