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From Avery Ching <ach...@apache.org>
Subject Re: NullWritable causes IllegalAccessException
Date Wed, 07 Dec 2011 03:03:36 GMT
Seems fairly reasonable. =)

Avery

On 12/6/11 12:31 PM, Jake Mannix wrote:
> We could special-case NullWritable, and if that class is put into the 
> conf, instantiate it separately.  Seems like a common case if a user 
> wants to ignore something.
>
>   -jake
>
> On Mon, Dec 5, 2011 at 4:29 PM, Avery Ching <aching@apache.org 
> <mailto:aching@apache.org>> wrote:
>
>     Actually, isn't that because the default constructor is private?
>      You probably need to write your own or subclass NullWritable with
>     a public default constructor.
>
>     Avery
>
>
>     On 12/5/11 3:59 PM, Inci Cetindil wrote:
>
>         I was trying to use NullWritable as the type of my edge
>         values. But it causes an IllegalAccessException when
>         BspUtils.createEdgeValue() method tries to instantiate it;
>         since NullWritable is Singleton with a private constructor. Is
>         there a way to use NullWritable, or do I need to use another
>         Writable?
>
>         Thanks,
>         Inci
>
>
>


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