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Jonathan Ellis commented on CASSANDRA-4832: ------------------------------------------- The patch to fix this is git commit 72dcc298d335721c053444249c157e9a6431ebea. > AssertionError: keys must not be empty > -------------------------------------- > > Key: CASSANDRA-4832 > URL: https://issues.apache.org/jira/browse/CASSANDRA-4832 > Project: Cassandra > Issue Type: Bug > Components: Core > Affects Versions: 1.1.6 > Environment: Debian 6.0.5 > Reporter: Tristan Seligmann > Assignee: Tristan Seligmann > Priority: Minor > Labels: indexing > Fix For: 1.1.7 > > Attachments: FlushWriterKeyAssertionBlock.txt > > > I'm getting errors like this logged: > INFO 07:08:32,104 Compacting > [SSTableReader(path='/var/lib/cassandra/data/Fusion/quoteinfo/Fusion-quoteinfo.quoteinfo_search_value_idx-hf-114-Data.db'), > > SSTableReader(path='/var/lib/cassandra/data/Fusion/quoteinfo/Fusion-quoteinfo.quoteinfo_search_value_idx-hf-113-Data.db'), > > SSTableReader(path='/var/lib/cassandra/data/Fusion/quoteinfo/Fusion-quoteinfo.quoteinfo_search_value_idx-hf-110-Data.db'), > > SSTableReader(path='/var/lib/cassandra/data/Fusion/quoteinfo/Fusion-quoteinfo.quoteinfo_search_value_idx-hd-108-Data.db'), > > SSTableReader(path='/var/lib/cassandra/data/Fusion/quoteinfo/Fusion-quoteinfo.quoteinfo_search_value_idx-hd-106-Data.db'), > > SSTableReader(path='/var/lib/cassandra/data/Fusion/quoteinfo/Fusion-quoteinfo.quoteinfo_search_value_idx-hd-107-Data.db'), > > SSTableReader(path='/var/lib/cassandra/data/Fusion/quoteinfo/Fusion-quoteinfo.quoteinfo_search_value_idx-hf-112-Data.db'), > > SSTableReader(path='/var/lib/cassandra/data/Fusion/quoteinfo/Fusion-quoteinfo.quoteinfo_search_value_idx-hf-109-Data.db'), > > SSTableReader(path='/var/lib/cassandra/data/Fusion/quoteinfo/Fusion-quoteinfo.quoteinfo_search_value_idx-hf-111-Data.db')] > ERROR 07:08:32,108 Exception in thread Thread[CompactionExecutor:5,1,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:154) > at > org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:159) > at > org.apache.cassandra.db.compaction.CompactionManager$1.runMayThrow(CompactionManager.java:154) > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) > at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > I'm not really sure when this started happening; they tend to be logged > during a repair but I can't reproduce the error 100% reliably. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira