By the way, I have kinit hadoop on the cluster, and "hadoop fs -ls /" works on the cluster. The code below is run on the cluster too. On Jun 25, 2014, at 6:22 AM, "Liu, David" <[email protected]> wrote:
> I mean to read data from secured hdfs. > > > On Jun 25, 2014, at 6:14 AM, "Liu, David" <[email protected]> wrote: > >> Hi experts, >> >> Can anyone provide some example or api name to read data from secured hadoop >> cluster? >> I have code like this which can read data from unsecured cluster, but when >> it comes to secured one, authentication error will show. >>> Configuration conf = new Configuration(); >>> FileSystem fs = FileSystem.get(URI.create(uri), conf); >>> FSDataInputStream in = fs.open(new Path(uri)); >>> IOUtils.copy(in, System.out, 4096); >>> >>> Could anyone help me? Really Appreicate it. >>> >>> Thanks >> >
