我的主机系统Windows 10和我有cloudera vm,我的火花版本是1.6 . 我试图用下面的命令加载spark-shell .
spark-shell --packages org.apache.spark:spark-streaming-twitter_2.10:1.6.0
But it is throwing the below exception :
:::: ERRORS Server access error at url https://repo1.maven.org/maven2/org/apache/spark/spark-streaming-twitter_2.10/1.6.0/spark-streaming-twitter_2.10-1.6.0.pom (javax.net.ssl.SSLException: Received fatal alert: protocol_version)
Server access error at url https://repo1.maven.org/maven2/org/apache/spark/spark-streaming-twitter_2.10/1.6.0/spark-streaming-twitter_2.10-1.6.0.jar (javax.net.ssl.SSLException: Received fatal alert: protocol_version)
::使用VERBOSE或调试消息级别获取更多详细信息线程中的例外情况
"main" java.lang.RuntimeException: [unresolved dependency: org.apache.spark#spark-streaming-twitter_2.10;1.6.0: not found] at org.apache.spark.deploy.SparkSubmitUtils$.resolveMavenCoordinates(SparkSubmit.scala:1067) at org.apache.spark.deploy.SparkSubmit$.prepareSubmitEnvironment(SparkSubmit.scala:287) at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:154) at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:121) at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
2 回答
我评论过:javax.net.ssl.SSLException: Received fatal alert: protocol_version
因此它似乎与Java TLS协议版本默认值有关 . 如果Java版本过期并导致通过HTTPS的请求过期的TLS版本,则会被阻止 . 我在尝试安装PySpark软件包时遇到了这个问题 . 许多服务器现在阻止过时版本的TLS . 例如,见:Github now blocks weak cryptography standards
解决方案是使用环境变量强制TLS 1.2版:
当我重新运行命令以使用我的包启动PySpark时:
我指定的TLS版本立即被检测到 . 它字面上给了我输出:
在与maven central Build 连接时似乎是个问题 .
检查一下javax.net.ssl.SSLException: Received fatal alert: protocol_version
Maven Central有TLS1.2所以请检查你的
如果它之前工作尝试连接浏览器的URL并查看是否允许
如果是,那么对maven进行必要的更改(可能是代理和凭证)