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Cancelled Netty responses are being treated as errors since 1.65.0 #12197
Description
Tracer Version(s)
1.65.0
Java Version(s)
25.2.4
JVM Vendor
Oracle GraalVM
Bug Report
#11941 (released in 1.65.0) started surfacing NativeIoExceptions from cancelled Reactor Netty responses as server-span errors with a synthetic 500; the existing broken-pipe suppression in DDSpan.addThrowable doesn't match Netty's writevAddresses(..) failed with error(-32): Broken pipe message format.
Expected Behavior
Client cancellations do not get suddenly reported as errors in all of Datadog.
Reproduction Code
No response
Activity
[-]Cancelled Netty response are being treated as errors since 1.65.0[/-][+]Cancelled Netty responses are being treated as errors since 1.65.0[/+]ygree commentedon Aug 27, 2026
Thank you for reporting this issue. The fix is already available in this snapshot version, in case you want to give it a try.
Venorcis commentedon Sep 9, 2026
We've put 1.66.0 live in production today, and I can confirm the issue is resolved 🚀