[CASSANDRA-11415] dtest failure in jmx_test.TestJMX.cfhistograms_test

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 2.1.14
• Component/s: Test/dtest/python
• Labels: dtest
• Severity: Normal
• Assignee: Yuki Morishita
• Reporter: Philip Thompson

Authors

Yuki Morishita

Reviewers

Tom Hobbs

• Created: 23/Mar/16 17:27
• Updated: 16/Apr/19 09:30
• Resolved: 30/Mar/16 21:55

Description

We are seeing the following stacktrace when running nodetool cfhistograms

java.lang.AssertionError
	at org.apache.cassandra.utils.EstimatedHistogram.<init>(EstimatedHistogram.java:66)
	at org.apache.cassandra.tools.NodeProbe.metricPercentilesAsArray(NodeProbe.java:1260)
	at org.apache.cassandra.tools.NodeTool$CfHistograms.execute(NodeTool.java:1109)
	at org.apache.cassandra.tools.NodeTool$NodeToolCmd.run(NodeTool.java:292)
	at org.apache.cassandra.tools.NodeTool.main(NodeTool.java:206)

example failure:

http://cassci.datastax.com/job/cassandra-2.1_dtest/437/testReport/jmx_test/TestJMX/cfhistograms_test

Failed on CassCI build cassandra-2.1_dtest #437

This doesn't appear to be flaky. I can repro locally. It seems like a product issue, but if someone could confirm if it happens out of the test, that would be great.