docs: document required dependencies for JsonToGrpc filter#4202
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docs: document required dependencies for JsonToGrpc filter#4202won-seoop wants to merge 1 commit into
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…oudGH-3424) The JsonToGrpc filter depends on several optional libraries (jackson-dataformat-protobuf, grpc-netty, grpc-protobuf, grpc-stub, protobuf-java-util) that must be added explicitly. Without them, a NoClassDefFoundError is thrown at runtime when a request hits the route. Added a "Required Dependencies" section with Maven and Gradle examples. Closes spring-cloudgh-3424 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
Closes #3424
The
JsonToGrpcGatewayFilter requires several optional libraries (jackson-dataformat-protobuf,grpc-netty,grpc-protobuf,grpc-stub,protobuf-java-util) that are not pulled in transitively byspring-cloud-starter-gateway. Without them users see aNoClassDefFoundErrorat runtime — confusing because the route is accepted at startup.Added a
[[jsontogrpc-dependencies]]section before the parameters list with:WARNINGcallout linking the symptom (NoClassDefFoundError) to the causeTest plan