[CASSANDRA-18447] j11 flaky test: org.apache.cassandra.cql3.MemtableSizeTest#testTruncationReleasesLogSpace

• Type: Bug
• Status: Open
• Priority: Normal
• Resolution: Unresolved
• Fix Version/s: 4.0.x
• Component/s: Jamm
• Bug Category: Correctness - Test Failure
• Severity: Normal
• Complexity: Normal
• Discovered By: Unit Test
• Platform: All
• Assignee: Unassigned
• Reporter: Brandon Williams
• Created: 13/Apr/23 14:53
• Updated: 16/Aug/23 16:57

Description

Seen here: https://app.circleci.com/pipelines/github/driftx/cassandra/973/workflows/9c320e3e-f6f2-4743-9e5c-d220f99b6fd4/jobs/20901/tests

Looks like some kind of jamm problem:

java.lang.reflect.InaccessibleObjectException: Unable to make field private final jdk.management.jfr.StreamManager jdk.management.jfr.FlightRecorderMXBeanImpl.streamHandler accessible: module jdk.management.jfr does not "opens jdk.management.jfr" to unnamed module @1ebd319f
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:340)
	at java.base/java.lang.reflect.AccessibleObject.checkCanSetAccessible(AccessibleObject.java:280)
	at java.base/java.lang.reflect.Field.checkCanSetAccessible(Field.java:176)
	at java.base/java.lang.reflect.Field.setAccessible(Field.java:170)
	at org.github.jamm.MemoryMeter.addFieldChildren(MemoryMeter.java:330)
	at org.github.jamm.MemoryMeter.measureDeep(MemoryMeter.java:269)
	at org.apache.cassandra.utils.ObjectSizes.measureDeep(ObjectSizes.java:216)
	at org.apache.cassandra.cql3.MemtableSizeTest.testSize(MemtableSizeTest.java:121)
	at org.apache.cassandra.Util.runCatchingAssertionError(Util.java:644)
	at org.apache.cassandra.Util.flakyTest(Util.java:669)
	at org.apache.cassandra.cql3.MemtableSizeTest.testTruncationReleasesLogSpace(MemtableSizeTest.java:61)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

Issue Links

• fixes: CASSANDRA-18769 Fix flaky test: org.apache.cassandra.cql3.MemtableSizeTest.testTruncationReleasesLogSpace
• is blocked by: CASSANDRA-18329 Upgrade jamm; fix eclipse problems