[ERROR] Non-parseable POM /builds/guocanfeng/maven_test/pom.xml: Duplicated tag: 'build' (position: START_TAG seen ...</repositories>\n\n\n <build>... @270:12) @ line 270, column 12 -> [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/ModelParseException ERROR: Job failed: exit code 1