maven - repository.cloudera.com: nodename nor servname provided, or not known -

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my pom.xml: 

<dependencies>     <dependency>       <groupid>org.apache.hadoop</groupid>       <artifactid>hadoop-core</artifactid>       <version>2.0.0-mr1-cdh4.3.1</version>     </dependency>      <dependency>       <groupid>org.apache.hbase</groupid>       <artifactid>hbase</artifactid>       <version>0.94.10</version>     </dependency>  </dependencies>  <repositories>     <repository>          <id>cloudera</id>          <url>https://repository.cloudera.com/artifactory/cloudera-repos/</url>     </repository>  </repositories>

in browser, can download hadoop-core-2.0.0-mr1-cdh4.3.1.jar https://repository.cloudera.com/artifactory/cloudera-repos/org/apache/hadoop/hadoop-core/2.0.0-mr1-cdh4.3.1/ without issues, when try build project using maven, i've got error:

could not transfer artifact org.apache.hadoop:hadoop-core:pom:2.0.0-mr1-cdh4.3.1  from/to cloudera (https://repository.cloudera.com/artifactory/cloudera-repos/): repository.cloudera.com: nodename nor servname provided, or not known: unknown host repository.cloudera.com: nodename nor servname provided, or not known -> [help 1] [error] [error] see full stack trace of errors, re-run maven -e switch. [error] re-run maven using -x switch enable full debug logging. [error] [error] more information errors , possible solutions, please read following articles: [error] [help 1] http://cwiki.apache.org/confluence/display/maven/dependencyresolutionexception

==udpate==

i can ping https://repository.cloudera.com

└ $ ping https://repository.cloudera.com ping https://repository.cloudera.com (220.250.64.27): 56 data bytes 64 bytes 220.250.64.27: icmp_seq=0 ttl=238 time=45.730 ms

not able ping repository.cloudera.com

└ $ ping repository.cloudera.com ping repository.cloudera.com (75.101.141.93): 56 data bytes request timeout icmp_seq 0


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