Your json is for a standard CF but you are trying to load it into a super CF.
There is a dedicated bulk loader interface you may find useful http://www.datastax.com/dev/blog/bulk-loading Cheers ----------------- Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 11/04/2012, at 2:22 AM, Aliou SOW wrote: > Dear All, > > I am new to Cassandra 1.0.8, and I use the tool json2sstable for bulk insert, > but I still have the error: > > java.lang.RuntimeException: Can not write to the Standard columns Super > Column Family. > Has org.apache.cassandra.tools.SSTableImport.importSorted > (SSTableImport.java: 368) > Has org.apache.cassandra.tools.SSTableImport.importJson > (SSTableImport.java: 255) > Has org.apache.cassandra.tools.SSTableImport.main > (SSTableImport.java: 479) > ERROR: Can not write to the Standard columns Super Column Family. > > Before that, i first created a keyspace "testkeyspace", then a column family > "testCF" wherein I defined the key as varchar. Here is the structure of my > json file: > > { > "rs12354060": { > "X1714T": 1.0, > "X1905T": 1.0, > ... > "X3155T": 1.0 > } > "rs3115850": { > "X1714T": 0938, > "X1905T": 0879, > ... > "X3155T": 0822 > } > } > > Help please, and if there is a other and easier way for bulk inserts, let me > know please. > > Kind regards, Aliou.