with single BSP task? On Sat, Apr 27, 2013 at 6:18 PM, Lyu Xuedong <[email protected]> wrote: > Hi all, > > I got this exception when ran my job. Then, I ran the PageRank in > hama-example and found that same data in different order leads to different > result . I modified the vertex reader of PageRank.java and > setInputFormat(TextInputFormat.class) to process a text file, while other > code of PageRank.java remain unchanged . > > If the input file : > > 3\t2\t1<br/> > 2\t1<br/> > 1<br/> > > PageRank runs well . > > > If I deleted the last line (which represents a single page "1") : > > 3\t2\t1<br/> > 2\t1<br/> > > Job failed and I got the exception "Messages must never be behind the vertex > in ID! Current Message ID: 1 vs. 2" > > What's more, If the input file contains only one line : > > 3\t2\t1<br/> > > Job failed with the exception "Messages must never be behind the vertex in > ID! Current Message ID: 1 vs. 3". > > But when I exchanged the situations of "3" and "1" : > > 1\t2\t3<br/> > > It ran well. > > What's wrong ? Do I overlook something or It is a bug ? > > Regards, > Lyu.
-- Best Regards, Edward J. Yoon @eddieyoon
