I just check and it runs fine in distributed mode but in local mode, I get that kind of error. I am working on windows and using cygwin.
On Thu, Dec 8, 2011 at 6:40 PM, Dmitriy Ryaboy <[email protected]> wrote: > An error opening iterator for alias means that the job that was trying > to compute said alias failed. > > Please check Hadoop job logs (you can access them via the Hadoop job > tracker you). You are looking for failed tasks. The actual error will > be in there. > > There is no known problem with ORDER in Pig. Chances are this is > something about your hadoop setup (the data you are reading does not > exist, or the temp directory does not exist, or you can't write to it, > or something else along those lines). > > D > > On Thu, Dec 8, 2011 at 6:29 PM, Gayatri Rao <[email protected]> wrote: > > Hi, > > > > I was trying out a simple example script uisng ORDER and it doesnt seem > to > > work. Does any one seem to know if there is any error with ORDER? > > > > raw = LOAD '$input' USING PigStorage() AS (a:int, b:int, c:int); > > ordered = ORDER raw by c DESC; > > dump ordered; > > > > This gives an error saying cannot open iterator for alias; Any ideas what > > might be wrong? > > > > Thanks, > > Gayatri >
