Andres de la Peña created CASSANDRA-17686:
---------------------------------------------
Summary: Test failure:
repair_tests/preview_repair_test.py::TestPreviewRepair::test_preview
Key: CASSANDRA-17686
URL: https://issues.apache.org/jira/browse/CASSANDRA-17686
Project: Cassandra
Issue Type: Bug
Components: Test/dtest/python
Reporter: Andres de la Peña
The Python dtest
{{repair_tests/preview_repair_test.py::TestPreviewRepair::test_preview}} is
flaky at least in {{trunk}}, with a flakiness < 1%.
I haven't seen the failure on Jenkins but on [this CircleCI
run|https://app.circleci.com/pipelines/github/adelapena/cassandra/1662/workflows/b5753cdb-2d08-44d0-9caf-79b5fd0b01f4]
for CASSANDRA-17458.
The failure can also be [reproduced in the
multiplexer|https://app.circleci.com/pipelines/github/adelapena/cassandra/1667/workflows/60ba0ade-7e4e-4728-a7ff-3872f2a1903c],
with 7 failures in 5000 iterations:
{code}
test teardown failure
Unexpected error found in node logs (see stdout for full details). Errors:
[[node3] 'ERROR [CompactionExecutor:3] 2022-06-06 10:58:08,720
JVMStabilityInspector.java:68 - Exception in thread
Thread[CompactionExecutor:3,5,CompactionExecutor]\njava.util.ConcurrentModificationException:
null\n\tat java.util.HashMap$HashIterator.nextNode(HashMap.java:1469)\n\tat
java.util.HashMap$KeyIterator.next(HashMap.java:1493)\n\tat
java.util.AbstractCollection.toArray(AbstractCollection.java:141)\n\tat
com.google.common.collect.ImmutableSet.copyOf(ImmutableSet.java:211)\n\tat
org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy.getSSTables(SizeTieredCompactionStrategy.java:341)\n\tat
org.apache.cassandra.db.compaction.PendingRepairManager.getRepairFinishedCompactionTask(PendingRepairManager.java:271)\n\tat
org.apache.cassandra.db.compaction.PendingRepairManager.getNextRepairFinishedTask(PendingRepairManager.java:359)\n\tat
org.apache.cassandra.db.compaction.AbstractStrategyHolder$TaskSupplier.getTask(AbstractStrategyHolder.java:65)\n\tat
org.apache.cassandra.db.compaction.PendingRepairHolder.getNextRepairFinishedTask(PendingRepairHolder.java:159)\n\tat
org.apache.cassandra.db.compaction.CompactionStrategyManager.getNextBackgroundTask(CompactionStrategyManager.java:200)\n\tat
org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:291)\n\tat
org.apache.cassandra.concurrent.FutureTask$2.call(FutureTask.java:98)\n\tat
org.apache.cassandra.concurrent.FutureTask.call(FutureTask.java:47)\n\tat
org.apache.cassandra.concurrent.FutureTask.run(FutureTask.java:57)\n\tat
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)\n\tat
java.lang.Thread.run(Thread.java:748)']
{code}
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