#20348
89%

Ran 06 Jul 2026 11:49AM UTC

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Files 685

Run time 2min

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Committed 06 Jul 2026 11:36AM UTC coverage: 89.122% (-0.01%) from 89.132%

Build # #20348

Build Type

push

github

Committed by

web-flow

Commit Message

fix: configure Undertow test entity size (#12892)

fixes #12859 

## Background
This PR updates the grpc-servlet Undertow tests to work with Undertow
`2.2.39.Final` and `2.3.21.Final`.

Those releases changed Undertow's default `MAX_ENTITY_SIZE` to 2 MiB,
which caused `UndertowInteropTest.veryLargeRequest()` to fail before the
request reached the gRPC servlet.

## Cause
`UndertowInteropTest.veryLargeRequest()` sends a 10 MiB unary request.
The test server already configured gRPC's `maxInboundMessageSize`, but
it did not configure Undertow's container-level entity size limit.

After the Undertow default changed, the container started rejecting the
request and the client saw `RST_STREAM ... CANCEL`.

## Changes
- Set `UndertowOptions.MAX_ENTITY_SIZE` explicitly in
`UndertowInteropTest`
- Set `UndertowOptions.MAX_ENTITY_SIZE` explicitly in
`UndertowTransportTest` to keep the transport test environment
effectively unbounded
- Upgrade Undertow test dependencies to `2.2.39.Final` and
`2.3.21.Final`

## Verification
- `./gradlew -PskipAndroid=true -PskipCodegen=true
:grpc-servlet:undertowTest --tests io.grpc.servlet.UndertowInteropTest`
- `./gradlew -PskipAndroid=true -PskipCodegen=true
:grpc-servlet:undertowTest --tests
io.grpc.servlet.UndertowTransportTest`

Coverage Stats

37999 of 42637 relevant lines covered (89.12%)

0.89 hits per line

Coverage Regressions

Lines	Coverage	∆	File
3	93.22	-1.69%	../core/src/main/java/io/grpc/internal/AbstractClientStream.java
2	93.38	-0.32%	../okhttp/src/main/java/io/grpc/okhttp/OkHttpServerTransport.java
1	87.36	-0.22%	../inprocess/src/main/java/io/grpc/inprocess/InProcessTransport.java
1	93.21	-0.14%	../okhttp/src/main/java/io/grpc/okhttp/OkHttpClientTransport.java
1	74.23	-1.03%	../servlet/src/main/java/io/grpc/servlet/AsyncServletOutputStreamWriter.java
1	96.55	-1.72%	../xds/src/main/java/io/grpc/xds/internal/security/certprovider/CertificateProvider.java

Jobs

ID	Job ID	Ran	Files	Coverage
1	#20348.1	06 Jul 2026 11:49AM UTC	685	89.12

grpc / grpc-java / #20348
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