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MapReduce >> mail # user >> Re: Accessing image files from hadoop to jsp


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Visioner Sadak 2012-09-08, 10:18
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Visioner Sadak 2012-09-08, 15:00
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Visioner Sadak 2012-09-10, 08:28
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Visioner Sadak 2012-09-11, 20:48
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Re: Accessing image files from hadoop to jsp
your browser does not know what an hftp file system is so it wont work. If you use WebHDFS it has rest api's that you can use to read data from hdfs. I would suggest look at those and try them out.

http://hadoop.apache.org/docs/stable/webhdfs.html

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Arpit Gupta
Hortonworks Inc.
http://hortonworks.com/

On Sep 11, 2012, at 1:48 PM, Visioner Sadak <[EMAIL PROTECTED]> wrote:

> any hints experts atleast if i m on the right track or we cant use hftp at all coz the browser wont understand it?????
>
> On Mon, Sep 10, 2012 at 1:58 PM, Visioner Sadak <[EMAIL PROTECTED]> wrote:
> or shud i use datanode ip for accessing images using hftp
>  
> <td><img src ="hftp://localhost:50075/Comb/java1.jpg"/></td>
>  
> my datanode is at 50075
>
>  
> On Sat, Sep 8, 2012 at 8:30 PM, Visioner Sadak <[EMAIL PROTECTED]> wrote:
> seems like webhdfs is available on above 1.0. versions,for the time being just to do a POC cant i use hftp in 0.22.0 version
> i have to just show the img on a jsp sumthing like this,any ideas on how to configure hftp,security and all,fully confused coz if the url is accessible as below any WAR can access it right or we will have to do it frm admin configs...
>  
> <
>
> td><img src ="hftp://localhost:50070/Comb/java1.jpg"/></td>
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> On Sat, Sep 8, 2012 at 6:47 PM, Harsh J <[EMAIL PROTECTED]> wrote:
> I'd say yes. Use either WebHDFS (requires client to be able to access
> all HDFS nodes) or HttpFS (acts as a gateway if your client can't
> access all HDFS nodes) via their REST APIs.
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> On Sat, Sep 8, 2012 at 3:48 PM, Visioner Sadak <[EMAIL PROTECTED]> wrote:
> > is webhdfs a viable approach???
> >
> >
> > On Thu, Sep 6, 2012 at 8:26 PM, Visioner Sadak <[EMAIL PROTECTED]>
> > wrote:
> >>
> >> I have uploaded some images to hdfs   hadoop  user/combo/  directory now
> >> want to show those images in a jsp i have configured tomcat and hadoop
> >> properly i m able to do uploads any ideas on  how to build the interface to
> >> show thes images on to my front end jsp...
> >>
> >>
> >
> >
>
>
>
> --
> Harsh J
>
>
>

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Michael Segel 2012-09-12, 02:59
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Visioner Sadak 2012-09-12, 06:54
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Bharath Mundlapudi 2012-09-12, 01:36