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Flume >> mail # user >> flume-ng error while writing to hdfs


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Re: flume-ng error while writing to hdfs
Are u able to write through the hdfs shell??

On Friday, August 17, 2012, Sandeep Reddy P <[EMAIL PROTECTED]>
wrote:
> Hi,
> Thaks for the reply. I added the property. But flume cannot write a log
file from linux to HDFS.
>
>
> On Thu, Aug 16, 2012 at 2:25 PM, Mohammad Tariq <[EMAIL PROTECTED]>
wrote:
>>
>> Hello Sandeep
>>    Please edit the "dfs.web.ugi" property in hdfs-site.xml. It is by
default "webuser,webgroup".
>> Regards,
>>     Mohammad Tariq
>>
>>
>> On Thu, Aug 16, 2012 at 11:50 PM, Sandeep Reddy P <
[EMAIL PROTECTED]> wrote:
>>>
>>> Hi,
>>> I'm using flume-ng to write data from log file to HDFS but unable to
write. I got the following exceptions in Name node logs
>>>
>>> 2012-08-16 13:57:42,560 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Number of
transactions: 1 Total time for transactions(ms): 0Number of transactions
batched in Syncs: 0 Number of syncs: 0 SyncTimes(ms): 0 0 0
>>> 2012-08-16 13:57:59,293 WARN
org.apache.hadoop.security.ShellBasedUnixGroupsMapping: got exception
trying to get groups for user webuser
>>> org.apache.hadoop.util.Shell$ExitCodeException: id: webuser: No such
user
>>>
>>>         at org.apache.hadoop.util.Shell.runCommand(Shell.java:255)
>>>         at org.apache.hadoop.util.Shell.run(Shell.java:182)
>>>         at
org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:375)
>>>         at org.apache.hadoop.util.Shell.execCommand(Shell.java:461)
>>>         at org.apache.hadoop.util.Shell.execCommand(Shell.java:444)
>>>         at
org.apache.hadoop.security.ShellBasedUnixGroupsMapping.getUnixGroups(ShellBasedUnixGroupsMapping.java:66)
>>>         at
org.apache.hadoop.security.ShellBasedUnixGroupsMapping.getGroups(ShellBasedUnixGroupsMapping.java:43)
>>>         at org.apache.hadoop.security.Groups.getGroups(Groups.java:79)
>>>         at
org.apache.hadoop.security.UserGroupInformation.getGroupNames(UserGroupInformation.java:1083)
>>>         at
org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.<init>(FSPermissionChecker.java:50)
>>>         at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:5203)
>>>         at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkTraverse(FSNamesystem.java:5186)
>>>         at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:1994)
>>>         at
org.apache.hadoop.hdfs.server.namenode.NameNode.getFileInfo(NameNode.java:819)
>>>         at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
>>>         at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>         at java.lang.reflect.Method.invoke(Method.java:597)
>>>         at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:557)
>>>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1434)
>>>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1430)
>>>         at java.security.AccessController.doPrivileged(Native Method)
>>>         at javax.security.auth.Subject.doAs(Subject.java:396)
>>>         at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177)
>>>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1428)
>>>
>>>
>>> --
>>> Thanks,
>>> sandeep
>>>
>>
>
>
>
> --
> Thanks,
> sandeep
>
>

--
Regards,
    Mohammad Tariq