Spring Tool Suite (STS)使用Spring Template Project 生成项目时报错解决方法

在STS中点击Spring Template Project 时无法得到模板报错信息如下：

Error while downloading or parsing descriptors file 'https://raw.github.com/SpringSource/spring-integration-templates/master/si-sts-templates/builds/descriptor.xml':

org.eclipse.core.runtime.CoreException: Error while retrieving https://raw.github.com/SpringSource/spring-integration-templates/master/si-sts-templates/builds/descriptor.xml