Cygwin運行nutch報錯:Failed to set permissions of path

錯誤信息:java

Exception in thread "main" java.io.IOException:Failed to set permissions of path:\tmp\hadoop-ysc\mapred\staging\ysc-2036315919\.staging to 0700apache


官方BUG參考:eclipse

https://issues.apache.org/jira/browse/HADOOP-7682oop


解決方法:測試

一、下載並解壓http://archive.apache.org/dist/hadoop/common/hadoop-1.1.2/hadoop-1.1.2.tar.gz
ui

二、修改hadoop-1.1.2\src\core\org\apache\hadoop\fs\FileUtil.java,搜索 Failed to set permissions of path,找到689行,把throw new IOException改成LOG.warn spa

三、修改hadoop-1.1.2\build.xml,搜索autoreconf,移除匹配的6個executable="autoreconf"的exec配置 xml

四、下載解壓ant,將ant目錄下的bin目錄加入環境變量path ip

五、在Cygwin命令下行切換到hadoop-1.1.2目錄,執行ant hadoop

六、用新生成的hadoop-1.1.2\build\hadoop-core-1.1.3-SNAPSHOT.jar替換nutch的hadoop-core-1.0.3.jar 

七、對於eclipse開發來講,替換C:\Users\ysc\.ivy2\cache\org.apache.hadoop\hadoop-core\jars\hadoop-core-1.1.2.jar


hadoop1.2.1.jar是修改後的JAR,可用於Nutch1.7,其餘Nutch版本沒測試過。

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