How do I use java api to read data from secured hadoop cluster?

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 =

Re: How do I use java api to read data from secured hadoop cluster?

I mean to read data from secured hdfs. On Jun 25, 2014, at 6:14 AM, Liu, David liujion...@gmail.com 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

Re: How do I use java api to read data from secured hadoop cluster?

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 liujion...@gmail.com wrote: I mean to read data from secured hdfs. On Jun 25, 2014, at 6:14 AM, Liu, David