Nutch&Solr定向采集解析和索引搜索报错?报错

@S2JH 你好，想跟你请教个问题：我参照你的基于Nutch&Solr定向采集解析和索引搜索的整合技术..文档操作，build.xml的resolve出现下面的错误，不知道是什么原因？

Buildfile: D:\tool\nutch-ajax-master\nutch-ajax-master\apache-nutch-2.3\build.xml
Trying to override old definition of task javac
  [taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found.
ivy-probe-antlib:
ivy-download:
  [taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found.
ivy-download-unchecked:
ivy-init-antlib:
ivy-init:
init:
clean-lib:
resolve-default:
[ivy:resolve] :: Apache Ivy 2.3.0 - 20130110142753 :: http://ant.apache.org/ivy/ ::
[ivy:resolve] :: loading settings :: file = D:\tool\nutch-ajax-master\nutch-ajax-master\apache-nutch-2.3\ivy\ivysettings.xml
[ivy:resolve] :: problems summary ::
[ivy:resolve] :::: WARNINGS
[ivy:resolve]     problem while downloading module descriptor: http://repo1.maven.org/maven2/org/mongodb/mongo-java-driver/2.13.2/mongo-java-driver-2.13.2.pom: invalid sha1: expected=73c1917a2125f38b1259ce5c8932857414e8b224 computed=ddd845d62cd090b9d0a500947801fccc00718e92 (1088ms)
[ivy:resolve]         module not found: org.mongodb#mongo-java-driver;2.13.2
[ivy:resolve]     ==== local: tried
[ivy:resolve]       D:\tool\nutch-ajax-master\nutch-ajax-master\apache-nutch-2.3\ivy\repository\local\org.mongodb\mongo-java-driver\2.13.2\ivys\ivy.xml
[ivy:resolve]       -- artifact org.mongodb#mongo-java-driver;2.13.2!mongo-java-driver.jar:
[ivy:resolve]       D:\tool\nutch-ajax-master\nutch-ajax-master\apache-nutch-2.3\ivy\repository\local\org.mongodb\mongo-java-driver\2.13.2\jars\mongo-java-driver.jar
[ivy:resolve]     ==== oschina: tried

[ivy:resolve]         ::::::::::::::::::::::::::::::::::::::::::::::
[ivy:resolve]         ::          UNRESOLVED DEPENDENCIES         ::
[ivy:resolve]         ::::::::::::::::::::::::::::::::::::::::::::::
[ivy:resolve]         :: org.mongodb#mongo-java-driver;2.13.2: not found
[ivy:resolve]         ::::::::::::::::::::::::::::::::::::::::::::::
[ivy:resolve]
[ivy:resolve] :::: ERRORS

[ivy:resolve]     unknown resolver main
[ivy:resolve]     unknown resolver main
[ivy:resolve]     unknown resolver main
[ivy:resolve]     unknown resolver main
[ivy:resolve]     unknown resolver main
[ivy:resolve]     unknown resolver main
[ivy:resolve]     unknown resolver main
[ivy:resolve]     unknown resolver main
[ivy:resolve]
[ivy:resolve] :: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS

BUILD FAILED
D:\tool\nutch-ajax-master\nutch-ajax-master\apache-nutch-2.3\build.xml:468: impossible to resolve dependencies:
    resolve failed - see output for details

Total time: 15 seconds