[CASSANDRA-17286] Test Failure: org.apache.cassandra.db.lifecycle.LogTransactionTest.testGetTemporaryFilesSafeAfterObsoletion-cdc

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 4.0.4
• Component/s: Test/unit
• Bug Category: Correctness - Test Failure
• Severity: Low
• Complexity: Low Hanging Fruit
• Discovered By: Unit Test
• Platform: All
• Since Version: 4.1

Source Control Link

https://github.com/apache/cassandra/commit/4dd0e2391a5adda7fe091cb4e85bd5e648760f78

Test and Documentation Plan

Modified test to tolerate expected race between listing and accessing file.

• Assignee: Jon Meredith
• Reporter: Josh McKenzie

Authors

Jon Meredith

Reviewers

Josh McKenzie

• Created: 24/Jan/22 20:50
• Updated: 14/May/22 01:10
• Resolved: 23/Mar/22 00:54

Description

Looks like it's a straight up flaky test:

 

https://ci-cassandra.apache.org/job/Cassandra-trunk/899/testReport/org.apache.cassandra.db.lifecycle/LogTransactionTest/testGetTemporaryFilesSafeAfterObsoletion_cdc/

 
Failed 3 times in the last 17 runs. Flakiness: 31%, Stability: 82%

Error Message

java.nio.file.NoSuchFileException: /home/cassandra/cassandra/build/test/cassandra/data/TransactionLogsTest/mockcf33-ed510f6070ca11ecbc8a25a710ea09dc/nb-0-big-Data.db

Stacktrace

java.io.UncheckedIOException: java.nio.file.NoSuchFileException: /home/cassandra/cassandra/build/test/cassandra/data/TransactionLogsTest/mockcf33-ed510f6070ca11ecbc8a25a710ea09dc/nb-0-big-Data.db at org.apache.cassandra.io.util.PathUtils.propagateUnchecked(PathUtils.java:695) at org.apache.cassandra.io.util.PathUtils.toRealPath(PathUtils.java:514) at org.apache.cassandra.io.util.PathUtils.toCanonicalPath(PathUtils.java:502) at org.apache.cassandra.io.util.File.toCanonical(File.java:411) at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:913) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578) at org.apache.cassandra.db.lifecycle.LogTransactionTest.listFiles(LogTransactionTest.java:1333) at org.apache.cassandra.db.lifecycle.LogTransactionTest.getTemporaryFiles(LogTransactionTest.java:1317) at org.apache.cassandra.db.lifecycle.LogTransactionTest.testGetTemporaryFilesSafeAfterObsoletion(LogTransactionTest.java:1182) 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) Caused by: java.nio.file.NoSuchFileException: /home/cassandra/cassandra/build/test/cassandra/data/TransactionLogsTest/mockcf33-ed510f6070ca11ecbc8a25a710ea09dc/nb-0-big-Data.db at java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:92) at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116) at java.base/sun.nio.fs.UnixPath.toRealPath(UnixPath.java:860) at org.apache.cassandra.io.util.PathUtils.toRealPath(PathUtils.java:510)