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Subject: Re: FileSystem API for 0.19
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From: Arko Provo Mukherjee <arkoprovomukherjee@gmail.com>
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Date: Tue, 11 Oct 2011 10:42:09 -0500
To: "hdfs-user@hadoop.apache.org" <hdfs-user@hadoop.apache.org>
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Hi,

Yeah, I fixed the problem, I compiled against the incorrect jars.

The reason I use 0.19 is that the cloud I have access to is still being main=
tained at 0.19 :(

Thanks much!
Warm regards
Arko

On Oct 10, 2011, at 9:34 PM, Harsh J <harsh@cloudera.com> wrote:

> Arko,
>=20
> It helps if we know what "doesn't work" means, and if we can see
> stacktraces [0], and what your steps were for execution that lead to
> it 'not working'.
>=20
> My best guess in the dark would be that you are not using the right
> client jars when communicating with either of the HDFS servers. Due to
> incompatible changes to the HDFS protocols used within, inter-version
> talk between 0.19 and 0.20 isn't possible. You need a separate client
> prepared for each.
>=20
> Besides, why are you interested in using 0.19, as it is now unmaintained?
>=20
> [0] - http://imgur.com/jacoj [J/K]
>=20
> On Tue, Oct 11, 2011 at 3:24 AM, Arko Provo Mukherjee
> <arkoprovomukherjee@gmail.com> wrote:
>> Hello,
>> I am using the FS API to write into files in HDFS.
>>=20
>> FileSystem fs =3D FileSystem.get(jobconf);
>>=20
>> Path pt =3D new Path(some_string);
>>=20
>> BufferedWriter wr =3D new BufferedWriter(new
>> OutputStreamWriter(fs.create(pt,true)));
>>=20
>> C_init.write("Hello!");
>>=20
>> This works wells in Hadoop 0.20.203.0 but doesn't work for 0.19.
>>=20
>> Please help!
>>=20
>> Many thanks in advance!
>>=20
>> Warm regards
>>=20
>> Arko
>=20
>=20
>=20
> --=20
> Harsh J