Hello Suneel,
Yeah that worked, thanks so much.

On 16 March 2016 at 12:50, Suneel Marthi <smar...@apache.org> wrote:

> DataStream<String> ds = .......
>
> Iterator<String> iter = DataStreamUtils.collect(ds);
>
> List<String> list = Lists.newArrayList(iterator);
>
> Hope that helps.
>
>
> On Wed, Mar 16, 2016 at 7:37 AM, Ahmed Nader <ahmednader...@gmail.com>
> wrote:
>
>> Hi,
>> I want to pass an object of type DataStream ,after applying map function
>> on it, as a parameter to be used somewhere else. But when i do so, i get an
>> error message of trying to access a null context object.
>> Is there a way that i can convert this DataStream object to a list or a
>> collector so as to be used somewhere else afterwards.
>> Thanks,
>> Ahmed
>>
>
>

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