Ted Yu created BEAM-3934:
----------------------------

             Summary: BoundedReader should be closed in 
JavaReadViaImpulse#ReadFromBoundedSourceFn
                 Key: BEAM-3934
                 URL: https://issues.apache.org/jira/browse/BEAM-3934
             Project: Beam
          Issue Type: Bug
          Components: runner-core
            Reporter: Ted Yu
            Assignee: Kenneth Knowles


{code}
    public void readSoruce(ProcessContext ctxt) throws IOException {
      BoundedSource.BoundedReader<T> reader =
          ctxt.element().createReader(ctxt.getPipelineOptions());
      for (boolean more = reader.start(); more; more = reader.advance()) {
        ctxt.outputWithTimestamp(reader.getCurrent(), 
reader.getCurrentTimestamp());
      }
    }
{code}
The BoundedSource.BoundedReader instance should be closed before returning from 
the method.



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