[CASSANDRA-7700] Unexpected exception in RangeTombstoneList.insertFrom during Python Driver Duration Test

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 2.0.10, 2.1.0

Environment

ubuntu via ctool. Linux ip-10-199-0-152 3.2.0-57-virtual #87-Ubuntu SMP Tue Nov 12 21:53:49 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

• Severity: Normal
• Assignee: Sylvain Lebresne
• Reporter: Rick Smith

Authors

Sylvain Lebresne

Reviewers

Tom Hobbs

• Tester: Ryan McGuire
• Created: 05/Aug/14 20:29
• Updated: 16/Apr/19 09:31
• Resolved: 08/Aug/14 08:43

Description

Found the attached exception (duration test log and associated Cassandra log) when running the Python driver duration tests against CASSANDRA_VERSION=cassandra-2.1.0-rc5 and master branch of driver. Error repeated in logs twice over 12 hours on master_gevent cluster, and once on gevent cluster over the same time period. Cluster and associated cluster setup via ctool.

Log excerpt:

INFO  [MemtableFlushWriter:184] 2014-08-05 05:45:39,161 Memtable.java:360 - Completed flushing /srv/performance/cass/data/duration_test/ints-133f8c901c2f11e491e66b1b73f81641/duration_test-ints-ka-173-Data.db (2131716 bytes) for commitlog position ReplayPosition(segmentId=1407193910537, position=13460548)
ERROR [SharedPool-Worker-7] 2014-08-05 05:45:45,160 ErrorMessage.java:218 - Unexpected exception during request
java.lang.AssertionError: null
	at org.apache.cassandra.db.RangeTombstoneList.insertFrom(RangeTombstoneList.java:528) ~[main/:na]
	at org.apache.cassandra.db.RangeTombstoneList.addAll(RangeTombstoneList.java:221) ~[main/:na]

more details in attachment.