spark-shell命令报错!求解答

spark shell后报错
Ivy Default Cache set to: /root/.ivy2/cache

The jars for the packages stored in: /root/.ivy2/jars
:: loading settings :: url = jar:file:/usr/local/spark/jars/ivy-2.4.0.jar!/org/apache/ivy/core/settings/ivysettings.xml
Azure#mmlspark added as a dependency
:: resolving dependencies :: org.apache.spark#spark-submit-parent-f61ce921-e44c-47ed-bbd6-6358a539bb9d;1.0
confs: [default]
You probably access the destination server through a proxy server that is not well configured.
You probably access the destination server through a proxy server that is not well configured.
You probably access the destination server through a proxy server that is not well configured.
You probably access the destination server through a proxy server that is not well configured.
:: resolution report :: resolve 281ms :: artifacts dl 0ms
:: modules in use:
---------------------------------------------------------------------
| | modules || artifacts |
| conf | number| search|dwnlded|evicted|| number|dwnlded|
---------------------------------------------------------------------
| default | 1 | 0 | 0 | 0 || 0 | 0 |
---------------------------------------------------------------------

:: problems summary ::
:::: WARNINGS
Host repo1.maven.org not found. url=https://repo1.maven.org/maven2/Azure/mmlspark/0.12/mmlspark-0.12.pom

Host repo1.maven.org not found. url=https://repo1.maven.org/maven2/Azure/mmlspark/0.12/mmlspark-0.12.jar

Host dl.bintray.com not found. url=http://dl.bintray.com/spark-packages/maven/Azure/mmlspark/0.12/mmlspark-0.12.pom

Host dl.bintray.com not found. url=http://dl.bintray.com/spark-packages/maven/Azure/mmlspark/0.12/mmlspark-0.12.jar

    module not found: Azure#mmlspark;0.12

==== local-m2-cache: tried

  file:/root/.m2/repository/Azure/mmlspark/0.12/mmlspark-0.12.pom

  -- artifact Azure#mmlspark;0.12!mmlspark.jar:

  file:/root/.m2/repository/Azure/mmlspark/0.12/mmlspark-0.12.jar

==== local-ivy-cache: tried

  /root/.ivy2/local/Azure/mmlspark/0.12/ivys/ivy.xml

  -- artifact Azure#mmlspark;0.12!mmlspark.jar:

  /root/.ivy2/local/Azure/mmlspark/0.12/jars/mmlspark.jar

==== central: tried

  https://repo1.maven.org/maven2/Azure/mmlspark/0.12/mmlspark-0.12.pom

  -- artifact Azure#mmlspark;0.12!mmlspark.jar:

  https://repo1.maven.org/maven2/Azure/mmlspark/0.12/mmlspark-0.12.jar

==== spark-packages: tried

  http://dl.bintray.com/spark-packages/maven/Azure/mmlspark/0.12/mmlspark-0.12.pom

  -- artifact Azure#mmlspark;0.12!mmlspark.jar:

  http://dl.bintray.com/spark-packages/maven/Azure/mmlspark/0.12/mmlspark-0.12.jar

    ::::::::::::::::::::::::::::::::::::::::::::::

    ::          UNRESOLVED DEPENDENCIES         ::

    ::::::::::::::::::::::::::::::::::::::::::::::

    :: Azure#mmlspark;0.12: not found

    ::::::::::::::::::::::::::::::::::::::::::::::

:: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS
Exception in thread "main" java.lang.RuntimeException: [unresolved dependency: Azure#mmlspark;0.12: not found]
at org.apache.spark.deploy.SparkSubmitUtils$.resolveMavenCoordinates(SparkSubmit.scala:1303)
at org.apache.spark.deploy.DependencyUtils$.resolveMavenDependencies(DependencyUtils.scala:53)
at org.apache.spark.deploy.SparkSubmit$.doPrepareSubmitEnvironment(SparkSubmit.scala:364)
at org.apache.spark.deploy.SparkSubmit$.prepareSubmitEnvironment(SparkSubmit.scala:250)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:171)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:137)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)