问无法从intellij下载/安装Scala

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我在intellij中创建了一个maven项目，并试图下载scala。我得到了下面的错误。请帮助我，如果你曾遇到同样的问题与以下细节。

得到org.fusesource.jansi jansi 1.11 ..。 *问题摘要:未找到警告模块: org.fusesource.jansi#jansi;1.11 ==== local: tried C:\Users\userx.ivy2\local\org.fusesource.jansi\jansi\1.11\ivys\ivy.xml -神器org.fusesource.jansi#jansi;1.11!jansi.jar： C:\Users\userx.ivy2\local\org.fusesource.jansi\jansi\1.11\jars\jansi.jar ====本地预加载常春藤:尝试 file:/C:/Users/userx/.sbt/preloaded/org.fusesource.jansi/jansi/1.11/ivys/ivy.xml ====本地预加载:尝试 file:/C:/Users/userx/.sbt/preloaded/org/fusesource/jansi/jansi/1.11/jansi-1.11.pom -神器org.fusesource.jansi#jansi;1.11!jansi.jar： file:/C:/Users/userx/.sbt/preloaded/org/fusesource/jansi/jansi/1.11/jansi-1.11.jar ==== Maven Central:已尝试 https://repo1.maven.org/maven2/org/fusesource/jansi/jansi/1.11/jansi-1.11.pom -神器org.fusesource.jansi#jansi;1.11!jansi.jar： https://repo1.maven.org/maven2/org/fusesource/jansi/jansi/1.11/jansi-1.11.jar ==== sbt版本:尝试过 https://repo.scala-sbt.org/scalasbt/maven-releases/org/fusesource/jansi/jansi/1.11/jansi-1.11.pom -神器org.fusesource.jansi#jansi;1.11!jansi.jar： https://repo.scala-sbt.org/scalasbt/maven-releases/org/fusesource/jansi/jansi/1.11/jansi-1.11.jar ==== sbt快照:尝试过 https://repo.scala-sbt.org/scalasbt/maven-snapshots/org/fusesource/jansi/jansi/1.11/jansi-1.11.pom -神器org.fusesource.jansi#jansi;1.11!jansi.jar： https://repo.scala-sbt.org/scalasbt/maven-snapshots/org/fusesource/jansi/jansi/1.11/jansi-1.11.jar ==== tried发行版:尝试 https://repo.typesafe.com/typesafe/ivy-releases/org.fusesource.jansi/jansi/1.11/ivys/ivy.xml ==== sbt-ivy-快照:尝试 https://repo.scala-sbt.org/scalasbt/ivy-snapshots/org.fusesource.jansi/jansi/1.11/ivys/ivy.xml :::::::::::::::::::::::::::::::::::::::::::::： *未解决的依赖关系： :::::::::::::::::::::::::::::::::::::::::::::： * org.fusesource.jansi#jansi;1.11:未找到 :::::::::::::::::::::::::::::::::::::::::::::： *错误服务器访问错误:收到致命警报: protocol_version url=https://repo1.maven.org/maven2/org/fusesource/jansi/jansi/1.11/jansi-1.11.pom 服务器访问错误:收到致命警报: protocol_version url=https://repo1.maven.org/maven2/org/fusesource/jansi/jansi/1.11/jansi-1.11.jar服务器访问错误: sun.security.validator.ValidatorException: PKIX路径构建失败:protocol_version无法找到被请求的目标url=https://repo.scala-sbt.org/scalasbt/maven-releases/org/fusesource/jansi/jansi/1.11/jansi-1.11.pom的有效证书路径 服务器访问错误: sun.security.validator.ValidatorException: PKIX路径构建失败: sun.security.provider.certpath.SunCertPathBuilderException:无法找到被请求的目标url=https://repo.scala-sbt.org/scalasbt/maven-releases/org/fusesource/jansi/jansi/1.11/jansi-1.11.jar的有效证书路径 服务器访问错误: sun.security.validator.ValidatorException: PKIX路径构建失败: sun.security.provider.certpath.SunCertPathBuilderException:无法找到被请求的目标url=https://repo.scala-sbt.org/scalasbt/maven-snapshots/org/fusesource/jansi/jansi/1.11/jansi-1.11.pom的有效证书路径 服务器访问错误: sun.security.validator.ValidatorException: PKIX路径构建失败: sun.security.provider.certpath.SunCertPathBuilderException:无法找到被请求的目标url=https://repo.scala-sbt.org/scalasbt/maven-snapshots/org/fusesource/jansi/jansi/1.11/jansi-1.11.jar的有效证书路径 服务器访问错误: sun.security.validator.ValidatorException: PKIX路径构建失败: sun.security.provider.certpath.SunCertPathBuilderException:无法找到被请求的目标url=https://repo.typesafe.com/typesafe/ivy-releases/org.fusesource.jansi/jansi/1.11/ivys/ivy.xml的有效证书路径 服务器访问错误: sun.security.validator.ValidatorException: PKIX路径构建失败: sun.security.provider.certpath.SunCertPathBuilderException:无法找到被请求的目标url=https://repo.scala-sbt.org/scalasbt/ivy-snapshots/org.fusesource.jansi/jansi/1.11/ivys/ivy.xml的有效证书路径 *使用详细或调试消息级别获取更多未解决的依赖关系: org.fusesource.jansi#jansi;1.11:在sbt执行过程中未找到错误:错误检索所需的库(完整日志见C:\Users\userx.sbt\boot\update.log )错误:无法检索jansi 1.11

我的系统版本：

System : windows 7
IntelliJ : 2017.3.5
Maven : 3.2.2
Java : 1.7

关于我如何下载的图片：

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