[ 
https://issues.apache.org/jira/browse/CASSANDRA-17349?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

German Eichberger updated CASSANDRA-17349:
------------------------------------------
    Resolution:     (was: Fixed)
        Status: Open  (was: Resolved)

h1. 2/8/23 - seen once
h1.  
h1. Regression

dtest-offheap.repair_tests.repair_test.TestRepair.test_simple_sequential_repair 
(from Cassandra dtests)
Failing for the past 1 build (Since 
[#540|https://ci-cassandra.apache.org/job/Cassandra-4.0/540/] )
[Took 3 min 45 
sec.|https://ci-cassandra.apache.org/job/Cassandra-4.0/540/testReport/dtest-offheap.repair_tests.repair_test/TestRepair/test_simple_sequential_repair/history]
 
!https://ci-cassandra.apache.org/static/f3f9be2d/images/32x32/health-80plus.png!
 Failed 1 times in the last 30 runs. Flakiness: 3%, Stability: 96%
h3. Error Message

failed on teardown with "Unexpected error found in node logs (see stdout for 
full details). Errors: [[node2] 'ERROR [MemtableReclaimMemory:2] 2023-02-08 
06:05:59,669 CassandraDaemon.java:581 - Exception in thread 
Thread[MemtableReclaimMemory:2,5,main]\njava.lang.AssertionError: null\n\tat 
org.apache.cassandra.utils.memory.MemtablePool$SubPool.released(MemtablePool.java:193)\n\tat
 
org.apache.cassandra.utils.memory.MemtableAllocator$SubAllocator.releaseAll(MemtableAllocator.java:151)\n\tat
 
org.apache.cassandra.utils.memory.MemtableAllocator$SubAllocator.setDiscarded(MemtableAllocator.java:142)\n\tat
 
org.apache.cassandra.utils.memory.MemtableAllocator.setDiscarded(MemtableAllocator.java:93)\n\tat
 
org.apache.cassandra.utils.memory.NativeAllocator.setDiscarded(NativeAllocator.java:203)\n\tat
 org.apache.cassandra.db.Memtable.setDiscarded(Memtable.java:212)\n\tat 
org.apache.cassandra.db.ColumnFamilyStore$Flush$1.runMayThrow(ColumnFamilyStore.java:1216)\n\tat
 org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)\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:750)']"
h3. Stacktrace

Unexpected error found in node logs (see stdout for full details). Errors: 
[[node2] 'ERROR [MemtableReclaimMemory:2] 2023-02-08 06:05:59,669 
CassandraDaemon.java:581 - Exception in thread 
Thread[MemtableReclaimMemory:2,5,main]\njava.lang.AssertionError: null\n\tat 
org.apache.cassandra.utils.memory.MemtablePool$SubPool.released(MemtablePool.java:193)\n\tat
 
org.apache.cassandra.utils.memory.MemtableAllocator$SubAllocator.releaseAll(MemtableAllocator.java:151)\n\tat
 
org.apache.cassandra.utils.memory.MemtableAllocator$SubAllocator.setDiscarded(MemtableAllocator.java:142)\n\tat
 
org.apache.cassandra.utils.memory.MemtableAllocator.setDiscarded(MemtableAllocator.java:93)\n\tat
 
org.apache.cassandra.utils.memory.NativeAllocator.setDiscarded(NativeAllocator.java:203)\n\tat
 org.apache.cassandra.db.Memtable.setDiscarded(Memtable.java:212)\n\tat 
org.apache.cassandra.db.ColumnFamilyStore$Flush$1.runMayThrow(ColumnFamilyStore.java:1216)\n\tat
 org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)\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:750)']

> Fix flaky test - 
> dtest-novnode.repair_tests.repair_test.TestRepair.test_simple_sequential_repair
> ------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-17349
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17349
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Consistency/Repair
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>            Priority: Normal
>             Fix For: 3.0.27
>
>
> Failed 2 times in the last 9 runs. Flakiness: 37%, Stability: 77%
> Error Message
> cassandra.DriverException: ID mismatch while trying to reprepare (expected 
> b'ba2c66a4f13080265ea718e037637d4a', got 
> b'52faf62235132756a26828817a81168d'). This prepared statement won't work 
> anymore. This usually happens when you run a 'USE...' query after the 
> statement was prepared.
> Stacktrace
> self = <repair_tests.repair_test.TestRepair object at 0x7ff6850f5a60>
>     def test_simple_sequential_repair(self):
>         """
>             Calls simple repair test with a sequential repair
>             """
> >       self._simple_repair(sequential=True)
> repair_tests/repair_test.py:363: 



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