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From: anil gupta <anilgupta84@gmail.com>
Date: Sun, 3 Mar 2013 23:07:39 -0800
Message-ID: 
 <CAF1+Vs-bWKsD62yeELEfoVEad_JKhxeXLFGyiOnY=09YDJa2zA@mail.gmail.com>
Subject: Re: How to Create file in HDFS using java Client with Permission
To: user@hadoop.apache.org
Cc: cdh-user@cloudera.org
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As per the error below, the user trying to write/read the file does not
have appropriate permission.

File not found org.apache.hadoop.security.
AccessControlException: Permission denied: user=hadoop, access=WRITE,
inode="/user/dasmohap/samir_tmp":dasmohap:dasmohap:drwxr-xr-x

HTH,
Anil

On Fri, Mar 1, 2013 at 3:20 AM, samir das mohapatra <samir.helpdoc@gmail.com
> wrote:

> Hi All,
>     I wanted to know to to create file in hdfs using java program.
>
>   I wrote some code it is working fine in dev cluster but I am getting
> error in other cluster.
>
> Error:
> Writing data into HDFS...................
> Creating file
> File not found org.apache.hadoop.security.AccessControlException:
> Permission denied: user=hadoop, access=WRITE,
> inode="/user/dasmohap/samir_tmp":dasmohap:dasmohap:drwxr-xr-x
>     at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:205)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:186)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:135)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermission(FSNamesystem.java:4547)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkAncestorAccess(FSNamesystem.java:4518)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInternal(FSNamesystem.java:1755)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInt(FSNamesystem.java:1690)
>     at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFile(FSNamesystem.java:1669)
>     at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.create(NameNodeRpcServer.java:409)
>     at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.create(ClientNamenodeProtocolServerSideTranslatorPB.java:205)
>     at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:44068)
>     at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:453)
>     at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:898)
>     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1693)
>     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1689)
>     at java.security.AccessController.doPrivileged(Native Method)
>     at javax.security.auth.Subject.doAs(Subject.java:396)
>     at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1332)
>     at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1687)
>
>
> Regards,
> samir.
>


-- 
Thanks & Regards,
Anil Gupta

--047d7b343e38654f4004d7140449
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

As per the error below, the user trying to write/read the file does not hav=
e appropriate permission.<br><br>File not found org.apache.hadoop.security.=
<div>AccessControlException: Permission denied: user=3Dhadoop, access=3DWRI=
TE, inode=3D&quot;/user/dasmohap/samir_tmp&quot;:dasmohap:dasmohap:drwxr-xr=
-x<br>

<br>HTH,<br>Anil<br></div><br><div class=3D"gmail_quote">On Fri, Mar 1, 201=
3 at 3:20 AM, samir das mohapatra <span dir=3D"ltr">&lt;<a href=3D"mailto:s=
amir.helpdoc@gmail.com" target=3D"_blank">samir.helpdoc@gmail.com</a>&gt;</=
span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div><div><div><div>Hi All,=
<br></div>=A0=A0=A0 I wanted to know to to create file in hdfs using java p=
rogram.<br>

<br></div>=A0 I wrote some code it is working fine in dev cluster but I am =
getting error in other cluster.<br>
<br></div>Error:<br>Writing data into HDFS...................<br>Creating f=
ile<br>File not found org.apache.hadoop.security.AccessControlException: Pe=
rmission denied: user=3Dhadoop, access=3DWRITE, inode=3D&quot;/user/dasmoha=
p/samir_tmp&quot;:dasmohap:dasmohap:drwxr-xr-x<br>


=A0=A0=A0 at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.che=
ck(FSPermissionChecker.java:205)<br>=A0=A0=A0 at org.apache.hadoop.hdfs.ser=
ver.namenode.FSPermissionChecker.check(FSPermissionChecker.java:186)<br>=A0=
=A0=A0 at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkP=
ermission(FSPermissionChecker.java:135)<br>


=A0=A0=A0 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPermi=
ssion(FSNamesystem.java:4547)<br>=A0=A0=A0 at org.apache.hadoop.hdfs.server=
.namenode.FSNamesystem.checkAncestorAccess(FSNamesystem.java:4518)<br>=A0=
=A0=A0 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInte=
rnal(FSNamesystem.java:1755)<br>


=A0=A0=A0 at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileI=
nt(FSNamesystem.java:1690)<br>=A0=A0=A0 at org.apache.hadoop.hdfs.server.na=
menode.FSNamesystem.startFile(FSNamesystem.java:1669)<br>=A0=A0=A0 at org.a=
pache.hadoop.hdfs.server.namenode.NameNodeRpcServer.create(NameNodeRpcServe=
r.java:409)<br>


=A0=A0=A0 at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServer=
SideTranslatorPB.create(ClientNamenodeProtocolServerSideTranslatorPB.java:2=
05)<br>=A0=A0=A0 at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodePro=
tocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProto=
colProtos.java:44068)<br>


=A0=A0=A0 at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvo=
ker.call(ProtobufRpcEngine.java:453)<br>=A0=A0=A0 at org.apache.hadoop.ipc.=
RPC$Server.call(RPC.java:898)<br>=A0=A0=A0 at org.apache.hadoop.ipc.Server$=
Handler$1.run(Server.java:1693)<br>


=A0=A0=A0 at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1689)<b=
r>=A0=A0=A0 at java.security.AccessController.doPrivileged(Native Method)<b=
r>=A0=A0=A0 at javax.security.auth.Subject.doAs(Subject.java:396)<br>=A0=A0=
=A0 at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInform=
ation.java:1332)<br>


=A0=A0=A0 at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1687)<br>=
<br><br></div>Regards,<br>samir.<br></div>
</blockquote></div><br><br clear=3D"all"><br>-- <br>Thanks &amp; Regards,<b=
r>Anil Gupta

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