我想用户的Solr使用Nutch在Windows计算机上,我发现了以下错误的权限:Nutch的Windows中:无法设置路径
Exception in thread "main" java.io.IOException: Failed to set permissions of path: c:\temp\mapred\staging\admin-1654213299\.staging to 0700
从大量的线程我学到的, hadoop似乎是由nutch使用的一些chmod魔术,可以在unix机器上运行,但不能在windows上运行。
现在这个问题存在了一年多了。我找到了一个线程,其中显示了代码行并提供了一个修复程序。我真的是他们中唯一一个有这个问题的人吗?所有其他人创建一个自定义版本,以便在windows上运行nutch吗?或者有一些选项可以禁用hadoop或其他解决方案吗?也许另一个履带而不是nutch?
非常感谢。 鲍里斯
下面是我在做什么的堆栈跟踪....
[email protected] /cygdrive/c/solr/apache-nutch-1.6
$ bin/nutch crawl urls -dir crawl -depth 3 -topN 5 -solr http://localhost:8080/solr-4.1.0
cygpath: can't convert empty path
crawl started in: crawl
rootUrlDir = urls
threads = 10
depth = 3
solrUrl=http://localhost:8080/solr-4.1.0
topN = 5
Injector: starting at 2013-03-03 17:43:15
Injector: crawlDb: crawl/crawldb
Injector: urlDir: urls
Injector: Converting injected urls to crawl db entries.
Exception in thread "main" java.io.IOException: Failed to set permissions of path: c:\temp\mapred\staging\admin-1654213299\.staging to 0700
at org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:689)
at org.apache.hadoop.fs.FileUtil.setPermission(FileUtil.java:662)
at org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:509)
at org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:344)
at org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:189)
at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:116)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:856)
at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:850)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Unknown Source)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:850)
at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:824)
at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1261)
at org.apache.nutch.crawl.Injector.inject(Injector.java:281)
at org.apache.nutch.crawl.Crawl.run(Crawl.java:127)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.nutch.crawl.Crawl.main(Crawl.java:55)
你是否试图以管理员身份运行它? – jpee 2013-03-05 20:45:18
这个答案帮助我克服了这个例外: http://stackoverflow.com/a/18381218/854386 – Andrey 2013-12-27 14:41:13