hadoop編譯出錯

hadoop_trunk_1181641：

 >mvn test -DskipTests

編譯通過。      

>mvn eclipse:eclipse -DdownloadSources=true -DdownloadJavadocs=true      

報錯：      

[INFO] Apache Hadoop Project POM ......................... SUCCESS [1.644s]
[INFO] Apache Hadoop Annotations ......................... SUCCESS [0.236s]
[INFO] Apache Hadoop Project Dist POM .................... SUCCESS [0.168s]
[INFO] Apache Hadoop Assemblies .......................... SUCCESS [0.127s]
[INFO] Apache Hadoop Auth ................................ SUCCESS [0.254s]
[INFO] Apache Hadoop Auth Examples ....................... SUCCESS [0.167s]
[INFO] Apache Hadoop Common .............................. SUCCESS [1.405s]
[INFO] Apache Hadoop Common Project ...................... SUCCESS [0.056s]
[INFO] Apache Hadoop HDFS ................................ SUCCESS [2.032s]
[INFO] Apache Hadoop HDFS Project ........................ SUCCESS [0.103s]
[INFO] hadoop-yarn-api ................................... SUCCESS [1.408s]
[INFO] hadoop-yarn-common ................................ SUCCESS [1.063s]
[INFO] hadoop-yarn-server-common ......................... SUCCESS [0.634s]
[INFO] hadoop-yarn-server-nodemanager .................... FAILURE [0.055s]
[INFO] hadoop-yarn-server-resourcemanager ................ SKIPPED
[INFO] hadoop-yarn-server-tests .......................... SKIPPED
[INFO] hadoop-yarn-server ................................ SKIPPED
[INFO] hadoop-yarn-applications-distributedshell ......... SKIPPED
[INFO] hadoop-yarn-applications .......................... SKIPPED
[INFO] hadoop-yarn-site .................................. SKIPPED
[INFO] hadoop-yarn ....................................... SKIPPED
[INFO] hadoop-mapreduce-client-core ...................... SKIPPED
[INFO] hadoop-mapreduce-client-common .................... SKIPPED
[INFO] hadoop-mapreduce-client-shuffle ................... SKIPPED
[INFO] hadoop-mapreduce-client-app ....................... SKIPPED
[INFO] hadoop-mapreduce-client-hs ........................ SKIPPED
[INFO] hadoop-mapreduce-client-jobclient ................. SKIPPED
[INFO] hadoop-mapreduce-client ........................... SKIPPED
[INFO] hadoop-mapreduce .................................. SKIPPED
[INFO] Apache Hadoop Tools ............................... SKIPPED
[INFO] Apache Hadoop Main ................................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 11.114s
[INFO] Finished at: Tue Oct 11 15:59:33 CST 2011
[INFO] Final Memory: 27M/183M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project hadoop-yarn-server-nodemanager: Could not resolve dependencies for project org.apache.hadoop:hadoop-yarn-server-nodemanager:jar:0.24.0-SNAPSHOT: Failed to collect dependencies for [org.apache.hadoop:hadoop-yarn-server-common:jar:0.24.0-SNAPSHOT (compile), org.apache.hadoop:hadoop-yarn-common:jar:tests:0.24.0-SNAPSHOT (test), org.apache.avro:avro:jar:1.5.3 (compile), com.google.protobuf:protobuf-java:jar:2.4.0a (compile), org.apache.hadoop:hadoop-common:jar:0.24.0-SNAPSHOT (compile), org.apache.hadoop:hadoop-annotations:jar:0.24.0-SNAPSHOT (compile), junit:junit:jar:4.8.2 (compile), org.mockito:mockito-all:jar:1.8.5 (test), org.apache.hadoop:hadoop-common:jar:tests:0.24.0-SNAPSHOT (test), org.apache.hadoop:hadoop-hdfs:jar:0.24.0-SNAPSHOT (runtime), com.google.inject.extensions:guice-servlet:jar:2.0 (compile), org.jboss.netty:netty:jar:3.2.3.Final (compile), org.slf4j:slf4j-api:jar:1.6.1 (compile), org.slf4j:slf4j-log4j12:jar:1.6.1 (compile)]: Failed to read artifact descriptor for org.apache.hadoop:hadoop-yarn-server-common:jar:0.24.0-SNAPSHOT: Failure to find org.apache.hadoop:hadoop-yarn:pom:${yarn.version} in http://repository.jboss.org/nexus/content/groups/public/ was cached in the local repository, resolution will not be reattempted until the update interval of repository.jboss.org has elapsed or updates are forced -> [Help 1]
[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/DependencyResolutionException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :hadoop-yarn-server-nodemanager
      

不知道到底是怎麼回事？