ant nutch報錯

 https://repository.apache.org/content/repositories/snapshots/com/google/javascript/closure-compiler/v20130603/closure-compiler-v20130603.jarjavascript

[ivy:resolve] ::::::::::::::::::::::::::::::::::::::::::::::java

[ivy:resolve] ::              FAILED DOWNLOADS            ::apache

[ivy:resolve] :: ^ see resolution messages for details  ^ ::瀏覽器

[ivy:resolve] ::::::::::::::::::::::::::::::::::::::::::::::maven

[ivy:resolve] :: org.restlet.jse#org.restlet.ext.jaxrs;2.2.3!org.restlet.ext.jaxrs.jaride

[ivy:resolve] :: org.apache.commons#commons-collections4;4.0!commons-collections4.jaroop

[ivy:resolve] :: com.google.javascript#closure-compiler;v20130603!closure-compiler.jar測試

[ivy:resolve] ::::::::::::::::::::::::::::::::::::::::::::::ui

[ivy:resolve] :::: ERRORSgoogle

[ivy:resolve] Server access Error: 拒絕鏈接 url=http://repo1.maven.org/maven2/org/apache/commons/commons-collections4/4.0/commons-collections4-4.0.jar

[ivy:resolve] 

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


BUILD FAILED

/home/hadoop/nutch/build.xml:467: impossible to resolve dependencies:

resolve failed - see output for details




解決辦法:

致使依賴的jar沒法正常下載,編譯失敗。此問題的緣由是http://repo1.maven.org/maven2/不存在,解決方案是尋找能使用的資源庫URL。通過測試http://mirrors.ibiblio.org/maven2/在瀏覽器下能夠正常訪問,用此URL替換\ivy目錄下ivysettings.xml中的http://repo1.maven.org/maven2/,能夠正常下載所依賴的jar包,編譯成功。
<property name="repo.maven.org" value="http://repo1.maven.org/maven2/" override="false"/>

或者修改hosts文件,添加72.21.81.253    repo1.maven.org,該方法也能夠解決下載問題

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