Update grpc-java monorepo to v1.80.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
io.grpc:grpc-services	1.78.0 → 1.80.0
io.grpc:grpc-core	1.78.0 → 1.80.0
io.grpc:grpc-stub	1.78.0 → 1.80.0
io.grpc:grpc-protobuf	1.78.0 → 1.80.0
io.grpc:grpc-netty	1.78.0 → 1.80.0

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Release Notes

grpc/grpc-java (io.grpc:grpc-services)

v1.80.0

API Changes

• core: Added PickResult.copyWithSubchannel() and PickResult.copyWithStreamTracerFactory() to simplify updating PickResult while preserving metadata. Load balancing policies should now ensure ForwardingSubchannel decorators are unwrapped before being returned in a pick result. (#​12658) (eae16b2)

Bug Fixes

• core: Fixed the retry backoff jitter range to [0.8, 1.2] to align with the gRPC A6 specification. Retries will now occur more consistently around the calculated backoff interval. (#​12639) (024fdd0)
  core: Fixed a race condition in RetriableStream where inFlightSubStreams counting could become inconsistent during concurrent retry and deadline events. This ensures that client calls (such as blockingUnaryCall) do not hang indefinitely and correctly receive a close signal. (#​12649) (73abb48)

Improvements

• api: Trigger R8's ServiceLoader optimization to reduce necessary configuration when using R8 Full Mode (470219f). This allows gRPC to avoid reflection, and the need to specify -keeps for various class’s constructors.
  Upgrade to protobuf 33.4 (#​12615) (50c18f1)
• cronet: Introduced CRONET_READ_BUFFER_SIZE_KEY to allow customizing the read buffer size per-stream via CallOptions. Increasing the buffer size from the 4KB default can significantly improve performance for large messages by reducing JNI and context-switching overhead. (31fdb6c)
• api: Moved FlagResetRule to api/testFixtures and updated ManagedChannelRegistry to honor the GRPC_ENABLE_RFC3986_URIS feature flag. This ensures that target parsing is consistent across the library when the new URI parser is enabled. (#​12608)
• api: Updated NameResolverRegistry to natively support io.grpc.Uri. This is a foundational change that allows gRPC's name resolution system to handle URIs parsed with the new RFC 3986-compliant parser, ensuring more robust target handling. (#​12609) (9903488)
• xds: Removed the GRPC_EXPERIMENTAL_XDS_SNI feature flag. SNI determination via xDS is now always enabled and follows gRFC A101, where SNI is derived from xDS configurations like auto_host_sni or UpstreamTlsContext.sni. This ensures that no SNI is sent if not explicitly configured, unless the legacy channel authority fallback is enabled. (#​12625) (ac44e96)

New Features

• core: pick_first shuffling now a weighted shuffle and observes weights from EDS (34dd290). This finishes the gRFC A113 pick_first: Weighted Random Shuffling support
• netty: Added RFC 3986 support to the unix: name resolver. This enables proper parsing of Unix domain socket URIs, including correct handling of query and fragment components in both hierarchical (e.g., unix:///path) and opaque (e.g., unix:/path) formats. (#​12659)

Thanks to

• @​becomeStar
• @​aymanm-google
• @​PetitBaguette
• @​stagegrowth
• @​wcchoi
• @​Gyuhyeok99

v1.79.0

API Changes

• core: Delete the never-used io.grpc.internal.ReadableBuffer.readBytes(ByteBuffer) (#​12580) (738782f). This is deeply internal and not accessible, so shouldn’t impact anything. However, Apache Arrow Java uses reflection to access private fields; GH-939: Remove reflection for gRPC buffers is swapping to gRPC’s public zero-copy APIs

• opentelemetry: Add target attribute filter for metrics (#​12587). Introduce an optional Predicate targetAttributeFilter to control how grpc.target is recorded in OpenTelemetry client metrics. When a filter is provided, targets rejected by the predicate are normalized to "other" to reduce grpc.target metric cardinality, while accepted targets are recorded as-is. If no filter is set, existing behavior is preserved. This change adds a new Builder API on GrpcOpenTelemetry to allow applications to configure the filter. 

Behavior Changes

• core: Convert AutoConfiguredLB to an actual LB (4bbf8ee). This is an internal refactoring, but it does improve how errors are handled for broken binaries. Previously, not being able to load pick_first would result in a channel panic. Now it is handled as a regular load balancing error

• okhttp: Assert no pending streams before transport READY (#​12566) (ed6d175). No pending streams should exist when the transport transitions to READY. This PR adds an assertion to help verify this invariant.

Bug Fixes

• core: PickFirstLB should not return a subchannel during CONNECTING (228fc8e). Pick-first in grpc-java has behaved this way since it was created, and it was of no consequence. However, now there are some load balancing policies (mainly RLS) that will do a pick() and hope the result to be reasonably accurate for metrics.

• xds: Endpoint weights are now normalized within localities, so that when using rish_hash the locality weights are preserved (f6d140f). Previously, localities with many endpoints or high endpoint weights could receive excess traffic. This is one part of gRFC A113 pick_first: Weighted Random Shuffle

Improvements

• core: Improve DEADLINE_EXCEEDED message for CallCreds delays (ead532b). Previously the error message contained “buffered_nanos” and “waiting_for_connection” for connection delays. However, we discovered the same strings were also used if waiting on CallCredentials. Now you’ll see details like “connecting_and_lb_delay”, “call_credentials_delay”, and “was_still_waiting”.

• opentelemetry: Add Android API checking (a9f73f4). Previously we assumed OpenTelemetry support would not be used on Android. It did happen to be compatible with Android, but since OpenTelemetry does have some Android support, we now have a check that it remains compatible

• core: Catch Errors when calling complex config parsing code (a535ed7). Error (and any other Throwable) is now caught and handled when parsing configuration (e.g., service config, xds). This will cause such failures to be handled gracefully instead of panicking the channel

• core: Implement LoadBalancer.Helper.createOobChannel() with the internals of createResolvingOobChannel() (3915d02). This API is only expected to be relevant to the gRPC-LB lookaside load balancer, and is not believed to have behavior changes. Out-of-band channel had been implemented with its own stripped-down Channel without load balancing. Reimplementing using the resolving oob channel makes it a full-fledged channel and reduces the burden when integrating new features and allows us to have a ManagedChannelBuilder to use with efforts like gRFC A110: Child Channel Options.

• xds: Implement the proactive connection logic in RingHashLoadBalancer as outlined in gRFC A61 (#​12596). Previously, the Java implementation only initialized child balancers when a ring-chosen endpoint was in TRANSIENT_FAILURE during a picker's pickSubchannel call. This PR adds the missing logic: when a child balancer reports TRANSIENT_FAILURE, the LoadBalancer now proactively initializes the first available IDLE child if no other children are currently connecting or ready.

This ensures a backup subchannel starts warming up immediately outside the RPC flow, reducing failover latency and improving overall resilience. This behavior was previously present but was inadvertently lost after #​10610.

• api: Add RFC 3986 support to DnsNameResolverProvider (#​12602) (f65127c) Experimental RFC 3986 target URI parsing mode (disabled by default)

New Features

• opentelemetry: Actual reason for the disconnects in subchannel metrics(6b2f758), completing the remaining work in gRFC A96: OTel metrics for Subchannels

Dependencies 

• protobuf: Upgrade Bazel protobuf to 33.1 (#​12553) (b61a8f4) and load java_proto_library from the protobuf repo (c7f3cdb)

• protobuf: Fix build with Bazel 9 by upgrading bazel_jar_jar and grpc-proto versions (#​12569)

• Upgrade dependencies (#​12588) (6422092) Netty to 4.1.130, error-prone annotations to 2.45.0, google-auth-library to 1.41.0, tomcat-embed-core9 to 9.0.113, tomcat-embed-core to 10.1.50, opentelemetry to 1.57.0, jetty-ee10-servlet to 12.1.5, jetty-http2-server to 12.1.5, google-cloud-logging to 3.23.9, google-auth to 1.41.0, proto-google-common-protos to 2.63.2.

Thanks to

• @​benjaminp
• @​becomeStar
• @​meteorcloudy

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