Issues

• [Bug]: REST transport: getTask builds an invalid URL for single-digit historyLength

  Bug

  a2aproject/a2a-java#1197 · Filter by author Lirons01 opened on Oct 1, 2026

• [Bug]: JSON-RPC server returns -32603 Internal error when params is omitted or the body is not a JSON object

  a2aproject/a2a-java#1196 · Filter by author Zhuoxi2000 opened on Oct 1, 2026
  1

• [Bug]: REST transport never signals normal stream completion to the client (SSE hangs until timeout)

  Bug

  a2aproject/a2a-java#1194 · Filter by author Lirons01 opened on Sep 30, 2026

• [Bug]: JsonFormat parser fails on standard OpenAPI AgentCard (securityRequirements & securitySchemes)

  Bug

  a2aproject/a2a-java#1161 · Filter by author simonedicesare-collab opened on Sep 18, 2026

• [Bug]: some observability capabilities loss on A2A

  Bug

  a2aproject/a2a-java#1132 · Filter by author khunj opened on Sep 7, 2026
  5

• ClientBuilder has no fallback to AgentCard#additionalInterfaces()/preferredTransport() (legacy 0.3 cards) when supportedInterfaces() is absent

  a2aproject/a2a-java#1121 · Filter by author carlesarnal opened on Sep 1, 2026
  2

• Push validation into DefaultRequestHandler

  a2aproject/a2a-java#1093 · Filter by author kabir opened on Aug 25, 2026

• [Bug]: SDK ships no native-image reachability metadata, breaking GraalVM builds

  a2aproject/a2a-java#1032 · Filter by author omatheusmesmo opened on Aug 9, 2026
  3

• fix: handle blank push notification config id consistently across transports

  a2aproject/a2a-java#1012 · Filter by author malladinagarjuna2 opened on Aug 5, 2026

• How does the client record the task IDs that have been sent

  a2aproject/a2a-java#909 · Filter by author Wesley273 opened on Jun 2, 2026
  2

• Spring Boot server integration via Erupt — annotation-driven A2A server

  a2aproject/a2a-java#891 · Filter by author erupts opened on May 21, 2026
  1

• [Bug]: 0.3.3.Final - Agent terminates early when ADK tool returning RxJava Single hops threads

  Bug

  a2aproject/a2a-java#872 · Filter by author fluxehub opened on May 12, 2026
  7

• Improve SSE implemetnation for 0.3

  a2aproject/a2a-java#841 · Filter by author ehsavoie opened on Apr 30, 2026

• [Feat]: Add Android support for A2A HTTP Client and decouple JdkA2AHttpClient (v0.3.x)

  Feature

  a2aproject/a2a-java#793 · Filter by author sherryfox opened on Apr 14, 2026
  12

• [Bug]: a2a-java client sends message with empty task ID and context ID

  Bug

  a2aproject/a2a-java#770 · Filter by author jmesnil opened on Mar 26, 2026 · 1.0.0
  2

• [Bug]: gRPC errors do not include google.rpc.ErrorInfo

  compatibilitygRPC
  Bug

  a2aproject/a2a-java#731 · Filter by author jmesnil opened on Mar 12, 2026 · 1.0.0
  1

  

• [Bug]: A2A HTTP protocol upgrade fails when using Otel auto instrumentation due Netty

  Bug

  a2aproject/a2a-java#690 · Filter by author salaboy opened on Feb 28, 2026
  9

• [Feat]: Update Part objects

  Feature

  a2aproject/a2a-java#688 · Filter by author yuyu123-yuyu opened on Feb 28, 2026
  2

• Service Discovery and Governance for A2A Java Implementations

  a2aproject/a2a-java#683 · Filter by author SkyeBeFreeman opened on Feb 25, 2026
  1

• [Bug]: push notification is not implemented exactly according to the A2A protocol

  Bug

  a2aproject/a2a-java#952 · Filter by author zoujie-ee opened on Jan 15, 2026
  2

• Implement the currency conversion agent with A2A Protocol

  a2aproject/a2a-java#588 · Filter by author cmtoan opened on Jan 14, 2026

• [Feat]: Move to latest Java LTS to compile, target oldest LTS

  Feature

  a2aproject/a2a-java#518 · Filter by author jmesnil opened on Dec 9, 2025
  4

• [Feat]: Simplification of the client API?

  Feature

  a2aproject/a2a-java#517 · Filter by author jmesnil opened on Dec 9, 2025

• [Feat]: Clarify nullability and optionality of the spec API

  Feature

  a2aproject/a2a-java#506 · Filter by author jmesnil opened on Dec 4, 2025
  1

• [Bug]: ran into error code “0x80010135” when unzip the code on Windows 11

  Bug

  a2aproject/a2a-java#464 · Filter by author LI-Jinyang opened on Nov 19, 2025
  1