我正尝试通过AWSCredentials发送邮件但出现异常java.lang.NoClassDefFoundError:org/apache/http/conn/scheme/SchemeSocketFactory我添加了这些jar:aws-java-sdk-1.3.11.jaraws-java-sdk-1.3.11-javadoc.jaraws-java-sdk-1.3.11-sources.jaraws-java-sdk-flow-build-tools-1.3.11.jarcommons-logging.jarhttpclient-4.0-alpha4.jarhttpcore-4