keeyonghan

Getting java.lang.NullPointerException in running PageRank

1

I have a pair of 35M of links from 117K nodes and ran pagerank job on 3 node m2.2xlarge EMR cluster. Initially I got out of memory error in the...

Invalid xlsx file error

2

I am getting the following error from an excel file I have (Microsoft Excel 97-2004 workbook): Invalid xlsx file: ... When I looked at the source code, it seems to...