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From Tamara Mendt <tammyme...@gmail.com>
Subject Re: Using collect and accessing accumulator results
Date Thu, 18 Jun 2015 14:18:04 GMT
Great, thanks!

On Thu, Jun 18, 2015 at 4:16 PM, Ufuk Celebi <uce@apache.org> wrote:

> Should we add this to the Javadoc of the eagerly executed operations?
>
> On 18 Jun 2015, at 16:11, Maximilian Michels <mxm@apache.org> wrote:
>
> > Hi Tamara!
> >
> > Yes, there is. Since count/collect/print trigger an execution of the
> ExecutionEnvironment, you can get the result afterwards using
> env.getLastExecutionResult().
> >
> > Best,
> > Max
> >
> > On Thu, Jun 18, 2015 at 3:57 PM, Tamara Mendt <tammymendt@gmail.com>
> wrote:
> > Hey!
> >
> > I am currently running a job in which I wish to use collect to trigger
> my job execution, but I also need to have access to the final accumulator
> results. Up until now I have been accessing the accumulator results through
> the JobExecutionResult that the function execute() returns.
> >
> > Not surprisingly, if I use collect() and execute() I get the following
> exception:
> >
> > java.lang.RuntimeException: No new data sinks have been defined since
> the last execution. The last execution refers to the latest call to
> 'execute()', 'count()', 'collect()', or 'print()'.
> >     at
> org.apache.flink.api.java.ExecutionEnvironment.createProgramPlan(ExecutionEnvironment.java:921)
> >     at
> org.apache.flink.api.java.ExecutionEnvironment.createProgramPlan(ExecutionEnvironment.java:904)
> >     at
> org.apache.flink.api.java.LocalEnvironment.execute(LocalEnvironment.java:50)
> >
> >
> > Is there some way in which I can access the accumulator results while
> using the collect method to trigger execution?
> >
> > Cheers,
> >
>
>


-- 
Tamara Mendt

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