[CASSANDRA-14900] DigestMismatchException log messages should be at TRACE

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 3.0.25, 3.11.11
• Component/s: Legacy/Observability, Local/Config
• Severity: Low
• Since Version: NA

Source Control Link

https://github.com/apache/cassandra/commit/3d59557aceaaaedd8eafc4783394330d55a7fb4e

Test and Documentation Plan

run CI

• Assignee: Alex Sorokoumov
• Reporter: Alex Sorokoumov

Authors

Alex Sorokoumov

Reviewers

Brandon Williams, Ekaterina Dimitrova

• Created: 16/Nov/18 14:06
• Updated: 14/Jul/21 15:04
• Resolved: 14/Jul/21 15:03

Description

DigestMismatchException log messages should probably be at TRACE. These log messages about normal digest mismatches that include scary stacktraces:

DEBUG [ReadRepairStage:40] 2017-10-24 19:45:50,349  ReadCallback.java:242 - Digest mismatch:
org.apache.cassandra.service.DigestMismatchException: Mismatch for key DecoratedKey(-786225366477494582, 31302e33322e37382e31332d6765744469736b5574696c50657263656e742d736463) (943070f62d72259e3c25be0c6f76e489 vs f4c7c7675c803e0028992e11e0bbc5a0)
        at org.apache.cassandra.service.DigestResolver.compareResponses(DigestResolver.java:92) ~[cassandra-all-3.11.0.1855.jar:3.11.0.1855]
        at org.apache.cassandra.service.ReadCallback$AsyncRepairRunner.run(ReadCallback.java:233) ~[cassandra-all-3.11.0.1855.jar:3.11.0.1855]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121]
        at org.apache.cassandra.concurrent.NamedThreadFactory.lambda$threadLocalDeallocator$0(NamedThreadFactory.java:81) [cassandra-all-3.11.0.1855.jar:3.11.0.1855]
        at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_121]