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Posted to common-dev@hadoop.apache.org by "NOMURA Yoshihide (JIRA)" <ji...@apache.org> on 2008/08/28 11:57:44 UTC
[jira] Issue Comment Edited: (HADOOP-3508) Namenode couldn't
execute when the user name contains a space
[ https://issues.apache.org/jira/browse/HADOOP-3508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12626504#action_12626504 ]
yoshimov edited comment on HADOOP-3508 at 8/28/08 2:56 AM:
-------------------------------------------------------------------
I suggest to use system property to get user name like this:
{code:Java}
static String getUnixUserName() throws IOException {
return System.getProperty("user.name");
}
{code}
Does this code make sense on Linux too?
was (Author: yoshimov):
I suggest to use system property to get user name like this:
static String getUnixUserName() throws IOException {
return System.getProperty("user.name");
}
Does this code make sense on Linux too?
> Namenode couldn't execute when the user name contains a space
> -------------------------------------------------------------
>
> Key: HADOOP-3508
> URL: https://issues.apache.org/jira/browse/HADOOP-3508
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.17.0
> Environment: Windows XP, Windows 2003 Server
> Reporter: NOMURA Yoshihide
>
> The Hadoop Namenode couldn't execute as Windows service,
> because UnixUserGroupInformation#getUnixUserName() throws IOException.
> The 'whoami' command output is 'nt authority\system' in default Windows service,
> so I suggest to change the method like follows:
> static String getUnixUserName() throws IOException {
> String[] result = executeShellCommand(
> new String[]{Shell.USER_NAME_COMMAND});
> if (Shell.WINDOWS) {
> return toString(result);
> } else if (result.length!=1) {
> throw new IOException("Expect one token as the result of " +
> Shell.USER_NAME_COMMAND + ": " + toString(result));
> }
> return result[0];
> }
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