[HBASE-1912] When adding a secondary index to an existing table, it will cause NPE during re-indexing.

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.20.0, 0.20.1
• Fix Version/s: 0.20.2, 0.90.0
• Assignee: Unassigned
• Reporter: Mingjui Ray Liao
• Created: 16/Oct/09 10:08
• Updated: 12/Oct/12 06:13
• Resolved: 18/Oct/09 16:30

Description

When adding a secondary index to an existing table, an IndexSpecification must be constructed.
If we construct a simple index using the following constructor: IndexSpecification(String indexId, byte[] indexedColumn), then the program will cause NPE during re-indexing.

Exception in thread "main" java.lang.NullPointerException
at org.apache.hadoop.hbase.regionserver.tableindexed.IndexMaintenanceUtils.createIndexUpdate(IndexMaintenanceUtils.java:57)
at org.apache.hadoop.hbase.client.tableindexed.IndexedTableAdmin.reIndexTable(IndexedTableAdmin.java:144)
at org.apache.hadoop.hbase.client.tableindexed.IndexedTableAdmin.addIndex(IndexedTableAdmin.java:132)
at MyIndexedTable.addSecondaryIndexToExistingTable(MyIndexedTable.java:256)
at MyIndexedTable.main(MyIndexedTable.java:276)