[ https://issues.apache.org/jira/browse/CASSANDRA-2760?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13047334#comment-13047334 ]
Jonathan Ellis commented on CASSANDRA-2760: ------------------------------------------- Sounds like you're trying to run sstable2json on a columnfamily that isn't present in your schema. > NPE in sstable2json > -------------------- > > Key: CASSANDRA-2760 > URL: https://issues.apache.org/jira/browse/CASSANDRA-2760 > Project: Cassandra > Issue Type: Bug > Components: Tools > Affects Versions: 0.8.0 > Reporter: Danny Wang > Attachments: User-g-4-Data.db > > > ./sstable2json > /var/lib/cassandra/data/test/snapshots/1307649033076/User-g-4-Data.db > { > Exception in thread "main" java.lang.NullPointerException > at org.apache.cassandra.db.ColumnFamily.<init>(ColumnFamily.java:82) > at org.apache.cassandra.db.ColumnFamily.create(ColumnFamily.java:70) > at > org.apache.cassandra.io.sstable.SSTableIdentityIterator.<init>(SSTableIdentityIterator.java:142) > at > org.apache.cassandra.io.sstable.SSTableIdentityIterator.<init>(SSTableIdentityIterator.java:90) > at > org.apache.cassandra.io.sstable.SSTableIdentityIterator.<init>(SSTableIdentityIterator.java:74) > at > org.apache.cassandra.io.sstable.SSTableScanner$KeyScanningIterator.next(SSTableScanner.java:179) > at > org.apache.cassandra.io.sstable.SSTableScanner$KeyScanningIterator.next(SSTableScanner.java:144) > at > org.apache.cassandra.io.sstable.SSTableScanner.next(SSTableScanner.java:136) > at > org.apache.cassandra.tools.SSTableExport.export(SSTableExport.java:313) > at > org.apache.cassandra.tools.SSTableExport.export(SSTableExport.java:344) > at > org.apache.cassandra.tools.SSTableExport.export(SSTableExport.java:357) > at > org.apache.cassandra.tools.SSTableExport.main(SSTableExport.java:415) -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira