#20221
89%

Ran 25 Mar 2026 10:22PM UTC

Jobs 1

Files 630

Run time 2min

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Committed 25 Mar 2026 10:10PM UTC coverage: 88.69% (-0.003%) from 88.693%

Build # #20221

Build Type

push

github

Committed by

web-flow

Commit Message

core: fix MetricRecorderImpl.metricSinks() ConcurrentModificationException (#12730)

```
java.util.ConcurrentModificationException
    at java.base/java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1013)
    at java.base/java.util.ArrayList$Itr.next(ArrayList.java:967)
    at io.grpc.internal.MetricRecorderImpl.addLongCounter(MetricRecorderImpl.java:95)
    at io.grpc.internal.SubchannelMetrics.recordConnectionAttemptSucceeded(SubchannelMetrics.java:82)
    at io.grpc.internal.InternalSubchannel$TransportListener$1.run(InternalSubchannel.java:605)
    at io.grpc.SynchronizationContext.drain(SynchronizationContext.java:96)
    at io.grpc.SynchronizationContext.execute(SynchronizationContext.java:128)
    at io.grpc.internal.InternalSubchannel$TransportListener.transportReady(InternalSubchannel.java:591)
    at io.grpc.netty.shaded.io.grpc.netty.ClientTransportLifecycleManager.notifyReady(ClientTransportLifecycleManager.java:51)
```

Fix #12727

Run Details

35485 of 40010 relevant lines covered (88.69%)

0.89 hits per line

Uncovered Existing Lines

Lines	Coverage	∆	File
1	88.14	-0.4%	../core/src/main/java/io/grpc/internal/DelayedClientCall.java
1	94.12	-1.18%	../netty/src/main/java/io/grpc/netty/WriteBufferingAndExceptionHandler.java
2	88.89	-11.11%	../netty/src/main/java/io/grpc/netty/UdsNameResolver.java
2	77.59	2.59%	../servlet/src/main/java/io/grpc/servlet/ServletServerStream.java
3	95.07	-0.44%	../core/src/main/java/io/grpc/internal/RetriableStream.java

Jobs

ID	Job ID	Ran	Files	Coverage
1	#20221.1	25 Mar 2026 10:23PM UTC	630	88.69

grpc / grpc-java / #20221
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grpc / grpc-java / #20221 89%

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