[CASSANDRA-4991] "Keys must not be empty" error on secondary indexing.

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Duplicate
• Component/s: Feature/2i Index

Environment

cassandra 1.1.6
oracle jdk 1.7.09

• Severity: Normal
• Assignee: Unassigned
• Reporter: Chun-Hung Hsiao
• Created: 26/Nov/12 14:57
• Updated: 16/Apr/19 09:32
• Resolved: 26/Nov/12 17:48

Description

Encounter the following error message:

INFO [OptionalTasks:1] 2012-11-13 14:24:20,650 ColumnFamilyStore.java
(line 659) Enqueuing flush of
Memtable-(some_cf).(some_cf)_(some_idx)_idx_1@1216346401(485/8360
serialized/live bytes, 24 ops)
ERROR [FlushWriter:2123] 2012-11-13 14:24:20,650
AbstractCassandraDaemon.java (line 135) Exception in thread
Thread[FlushWriter:2123,5,main]
java.lang.AssertionError: Keys must not be empty
at org.apache.cassandra.io.sstable.SSTableWriter.beforeAppend(SSTableWriter.java:133)
at org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:176)
at org.apache.cassandra.db.Memtable.writeSortedContents(Memtable.java:295)
at org.apache.cassandra.db.Memtable.access$600(Memtable.java:48)
at org.apache.cassandra.db.Memtable$5.runMayThrow(Memtable.java:316)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)

When inserting the data, I set the default value as '' for all
pre-defined columns. I suspect that it is the reason for this error.

Issue Links

• duplicates: CASSANDRA-4832 AssertionError: keys must not be empty