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From kartheek muthyala <kartheek0...@gmail.com>
Subject Re: Issues in fuse_dfs (Hadoop-1.0.0)
Date Thu, 19 Jan 2012 06:38:08 GMT
Stuti: Did you by any chance created hadoop using non-root user??
Thanks,
Kartheek.

On Thu, Jan 19, 2012 at 11:56 AM, Stuti Awasthi <stutiawasthi@hcl.com>wrote:

>  Any one has idea about why fuse_dfs of Hadoop-1.0.0 requires
> authentication for mount ??****
>
> ** **
>
> *From:* Stuti Awasthi
> *Sent:* Wednesday, January 18, 2012 4:33 PM
> *To:* hdfs-user@hadoop.apache.org
> *Subject:* Issues in fuse_dfs (Hadoop-1.0.0)****
>
> ** **
>
> Hi All,****
>
> ** **
>
> I am able to successfully built *fuse_dfs *shipped with Hadoop-1.0.0 but
> when I try to mount HDFS using fuse_dfs_wrapper.sh I get the following
> error .When I used fuse_dfs built from hadoop-0.20.2 , I do not get any
> such error and I am able to mount properly.****
>
> Can anyone help me to fix this?****
>
> ** **
>
> *[root@slave fuse-dfs]# ./fuse_dfs_wrapper.sh dfs://slave:54310 /mnt -d*
>
> port=54310,server=slave****
>
> fuse-dfs didn't recognize /mnt,-2****
>
> fuse-dfs ignoring option -d****
>
> FUSE library version: 2.8.3****
>
> nullpath_ok: 0****
>
> unique: 1, opcode: INIT (26), nodeid: 0, insize: 56****
>
> INIT: 7.13****
>
> flags=0x0000007b****
>
> max_readahead=0x00020000****
>
>    INIT: 7.12****
>
>    flags=0x00000011****
>
>    max_readahead=0x00020000****
>
>    max_write=0x00020000****
>
>    unique: 1, success, outsize: 40****
>
> unique: 2, opcode: STATFS (17), nodeid: 1, insize: 40****
>
> statfs /****
>
>    unique: 2, success, outsize: 96****
>
> unique: 3, opcode: GETATTR (3), nodeid: 1, insize: 56****
>
> getattr /****
>
> Exception in thread "Thread-2" java.io.IOException: failure to login****
>
>         at
> org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:452)
> ****
>
>         at
> org.apache.hadoop.security.UserGroupInformation.getCurrentUser(UserGroupInformation.java:414)
> ****
>
>         at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:111)****
>
> Caused by: javax.security.auth.login.LoginException: unable to find
> LoginModule class:
> org/apache/hadoop/security/UserGroupInformation$HadoopLoginModule****
>
>         at
> javax.security.auth.login.LoginContext.invoke(LoginContext.java:823)****
>
>         at
> javax.security.auth.login.LoginContext.access$000(LoginContext.java:203)**
> **
>
>         at
> javax.security.auth.login.LoginContext$5.run(LoginContext.java:721)****
>
>         at
> javax.security.auth.login.LoginContext$5.run(LoginContext.java:719)****
>
>         at java.security.AccessController.doPrivileged(Native Method)****
>
>         at
> javax.security.auth.login.LoginContext.invokeCreatorPriv(LoginContext.java:718)
> ****
>
>         at
> javax.security.auth.login.LoginContext.login(LoginContext.java:590)****
>
>         at
> org.apache.hadoop.security.UserGroupInformation.getLoginUser(UserGroupInformation.java:433)
> ****
>
>         ... 2 more****
>
> Call to org.apache.hadoop.fs.Filesystem::get(URI, Configuration) failed!**
> **
>
>    unique: 3, error: -5 (Input/output error), outsize: 16****
>
> ** **
>
> Thanks****
>
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