Seems it is because fail to download this url: http://maven.twttr.com/org/apache/apache/14/apache-14.pom
------------------ ???????? ------------------ ??????: "Ted Yu";<yuzhih...@gmail.com>; ????????: 2016??5??1??(??????) ????9:27 ??????: "sunday2000"<2314476...@qq.com>; ????: "user"<user@spark.apache.org>; ????: Re: Why Non-resolvable parent POM for org.apache.spark:spark-parent_2.10:1.6.1:Could not transfer artifact org.apache:apache:pom:14 from/to central(https://repo1.maven.org/maven2): repo1.maven.org: unknown error bq. Non-resolvable parent POM for org.apache.spark:spark-parent_2.10:1.6.1 Looks like you were using Spark 1.6.1 Can you check firewall settings ? I saw similar report from Chinese users. Consider using proxy. On Sun, May 1, 2016 at 4:19 AM, sunday2000 <2314476...@qq.com> wrote: Hi, We are compiling spare 1.6.0 in a linux server, while getting this error message. Could you tell us how to solve it? thanks. [INFO] Scanning for projects... Downloading: https://repo1.maven.org/maven2/org/apache/apache/14/apache-14.pom Downloading: https://repository.apache.org/content/repositories/releases/org/apache/apache/14/apache-14.pom Downloading: https://repository.jboss.org/nexus/content/repositories/releases/org/apache/apache/14/apache-14.pom Downloading: https://repo.eclipse.org/content/repositories/paho-releases/org/apache/apache/14/apache-14.pom Downloading: https://repository.cloudera.com/artifactory/cloudera-repos/org/apache/apache/14/apache-14.pom Downloading: https://oss.sonatype.org/content/repositories/orgspark-project-1113/org/apache/apache/14/apache-14.pom Downloading: http://repository.mapr.com/maven/org/apache/apache/14/apache-14.pom Downloading: http://maven.twttr.com/org/apache/apache/14/apache-14.pom [ERROR] [ERROR] Some problems were encountered while processing the POMs: [FATAL] Non-resolvable parent POM for org.apache.spark:spark-parent_2.10:1.6.1: Could not transfer artifact org.apache:apache:pom:14 from/to central (https://repo1.maven.org/maven2): repo1.maven.org: unknown error and 'parent.relativePath' points at wrong local POM @ line 22, column 11 @ [ERROR] The build could not read 1 project -> [Help 1] [ERROR] [ERROR] The project org.apache.spark:spark-parent_2.10:1.6.1 (/data/spark/spark-1.6.1/pom.xml) has 1 error [ERROR] Non-resolvable parent POM for org.apache.spark:spark-parent_2.10:1.6.1: Could not transfer artifact org.apache:apache:pom:14 from/to central (https://repo1.maven.org/maven2): repo1.maven.org: unknown error and 'parent.relativePath' points at wrong local POM @ line 22, column 11: Unknown host repo1.maven.org: unknown error -> [Help 2] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException [ERROR] [Help 2] http://cwiki.apache.org/confluence/display/MAVEN/UnresolvableModelException