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Posted to common-dev@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2008/07/26 15:59:31 UTC
[jira] Commented: (HADOOP-3839) hadoop should handle no cygwin on
windows more gracefully
[ https://issues.apache.org/jira/browse/HADOOP-3839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12617176#action_12617176 ]
Steve Loughran commented on HADOOP-3839:
----------------------------------------
stack trace from the mailing list
INFO: initializing HDFS with config Configuration: hadoop-default.xml,
hadoop-site.xml,
file:/C:/w/hadoop-test/./conf/roy-client/hadoop-default.xml,
file:/C:/w/hadoop-test/./conf/roy-client/hadoop-site.xml
08/07/15 18:36:08 WARN fs.FileSystem: uri=hdfs://roy:9000
javax.security.auth.login.LoginException: Login failed: CreateProcess:
whoami error=2
at
org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGroupInformation.java:250)
at
org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGroupInformation.java:275)
at
org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGroupInformation.java:257)
at
org.apache.hadoop.security.UserGroupInformation.login(UserGroupInformation.java:67)
at org.apache.hadoop.fs.FileSystem$Cache$Key.<init>(FileSystem.java:1353)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1289)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:203)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:108)
at com.signal7.hadooptest.HadoopTest.getStorageSystem(HadoopTest.java:93)
at com.signal7.hadooptest.HadoopTest.main(HadoopTest.java:31)
Exception in thread "main" java.io.IOException
at org.apache.hadoop.dfs.DFSClient.<init>(DFSClient.java:175)
at
org.apache.hadoop.dfs.DistributedFileSystem.initialize(DistributedFileSystem.java:68)
at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1280)
at org.apache.hadoop.fs.FileSystem.access$300(FileSystem.java:56)
at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1291)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:203)
at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:108)
at com.signal7.hadooptest.HadoopTest.getStorageSystem(HadoopTest.java:93)
at com.signal7.hadooptest.HadoopTest.main(HadoopTest.java:31)
Caused by: javax.security.auth.login.LoginException: Login failed:
CreateProcess: whoami error=2
at
org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGroupInformation.java:250)
at
org.apache.hadoop.security.UnixUserGroupInformation.login(UnixUserGroupInformation.java:275)
at org.apache.hadoop.dfs.DFSClient.<init>(DFSClient.java:173)
... 8 more
> hadoop should handle no cygwin on windows more gracefully
> ---------------------------------------------------------
>
> Key: HADOOP-3839
> URL: https://issues.apache.org/jira/browse/HADOOP-3839
> Project: Hadoop Core
> Issue Type: Improvement
> Environment: Windows XP, cygwin not installed
> Reporter: Steve Loughran
> Priority: Minor
>
> There have been a couple of postings to hadoop core-user in which people can't get hdfs to come up on windows because whoami isnt on the path, which fails with an IOException error code 2.
> To people not experienced in DOS error codes, this is a fairly meanless number which invariably leads to time wasted and support emails.
> 1. the error could be caught and handled by printing some better hints (point to a wiki page?)
> 2. is whoami really needed on DOS-based filesystems?
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