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
