apache/dubbo

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The java implementation of Apache Dubbo. An RPC and microservice framework.

Stars: 41.6k
Forks: 26.4k
Open beginner issues: 0
Indexed issues: 840
Avg merge: 15h 13m
Merged PRs (30d): 4

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

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839 open issues indexed

[Bug] Make composite input stream handling safe when stream close races with an in-progress read Open

component/need-triage type/need-triage

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/dubbo#16458 · 1 comment · Opened Sep 10, 2026
[Bug] Concurrency limit filters leak active counts on downstream limit exceptions Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/dubbo#16455 · Opened Sep 8, 2026
[Bug] Bytes.getMD5(InputStream/File) returns incorrect MD5 for short final reads Open

component/need-triage type/need-triage

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

apache/dubbo#16451 · Opened Sep 5, 2026
[Bug] Negative frame data length causes IllegalArgumentException in ExchangeCodec Open

component/need-triage type/need-triage

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

apache/dubbo#16447 · Opened Sep 4, 2026
[Bug] hessian2 loses Byte/Short/Float element types in nested generic collections (List<List<Byte>>, Map<String, List<Byte>>) Open

component/need-triage type/need-triage

Difficulty 4/5 3-5 days Newbie friendliness 52/100

apache/dubbo#16440 · 2 comments · Opened Aug 27, 2026
[Bug] JavaBeanSerializeUtil.serialize() throws IllegalArgumentException on a Map containing a null key Open

component/need-triage type/need-triage

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

apache/dubbo#16432 · 3 comments · 1 reaction · Opened Aug 23, 2026
[Feature] Fix //TODO for the ugly sleep when zookeeper instances are started Open

component/need-triage type/need-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/dubbo#16429 · Opened Aug 22, 2026
[Bug] Triple Java client HTTP/2 flow-control failure with PHP gRPC unary response larger than 64 KiB Open

component/need-triage type/need-triage

Difficulty 5/5 Over a week Newbie friendliness 35/100

apache/dubbo#16427 · Opened Aug 21, 2026
[Bug] 不支持springboot4和java25 Open

component/need-triage type/need-triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/dubbo#16419 · 3 comments · Opened Aug 11, 2026
[Bug] Dubbo 3.3.6 trip protocol netty memory leak Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/dubbo#16415 · 2 comments · Opened Aug 7, 2026
[Security] Confidential report sent by email — receipt confirmation Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

apache/dubbo#16413 · Opened Aug 4, 2026
DefaultStreamingDecoder ByteBuf leak when decode() is called after close Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

apache/dubbo#16399 · 1 comment · Opened Jul 29, 2026
[Bug] 3.x Graceful Shutdown. "UNIMPLEMENTED : Invoker for gRPC not found"(consumer)/ "Invoker for gRPC not found"(provider) Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 68/100

apache/dubbo#16397 · 9 comments · Opened Jul 27, 2026
[Bug] Instance push loss during initial subscribe in ServiceDiscoveryRegistry Open

help wanted

Difficulty 3/5 1-2 days Newbie friendliness 25/100

apache/dubbo#16392 · 3 comments · Opened Jul 23, 2026
[Bug] dubbo-rest-spring is incompatible with Spring Framework 6+ due to a javax/jakarta Servlet API mismatch Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 35/100

apache/dubbo#16387 · 4 comments · Opened Jul 19, 2026
[Bug] removing the so-called registry config duplication leads to exception Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 52/100

apache/dubbo#16381 · 3 comments · Opened Jul 15, 2026
[Bug] Concurrent deserialization with $ref references produces null fields in FastJson2Serialization Open

help wanted type/bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

apache/dubbo#16368 · 5 comments · Opened Jul 1, 2026
[Bug] Single-request failure window when receiving HTTP/2 GOAWAY due to immediate channel nullification Open

type/bug

Difficulty 5/5 Over a week Newbie friendliness 30/100

apache/dubbo#16344 · 5 comments · Opened Jun 16, 2026
[Feature] Improve AddressMatch CIDR field naming while keeping backward compatibility Open

type/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 52/100

apache/dubbo#16314 · 1 comment · Opened Jun 7, 2026
[Bug] When running a Dubbo 3.3.6 application on JDK 25, application startup fails with `NoClassDefFoundError: com/google/gson/JsonSyntaxException`. Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 52/100

apache/dubbo#16295 · 6 comments · Opened May 28, 2026
Classes with writeReplace() bypass Hessian2 Serializable security check Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

apache/dubbo#16287 · 1 comment · Opened May 22, 2026
Support SOCKS5 proxy for tri protocol in NettyConnectionClient Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 52/100

apache/dubbo#16276 · 5 comments · Opened May 18, 2026
[Bug] Generic invocation without `class` key bypasses Serializable check on `PojoUtils.realize` Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

apache/dubbo#16270 · 1 comment · Opened May 14, 2026
[Bug] Dubbo 3.3.2: FORCE_APPLICATION may leave one of multiple same-interface different-group consumer references with nacos-A(0) after startup when mapping is initially empty Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/dubbo#16269 · 4 comments · Opened May 14, 2026
[Bug] Dual registration: one registry's failure aborts the sibling arm under register-mode=all Open

type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/dubbo#16247 · Opened Apr 28, 2026
[Feature] Add DEBUG-level logs for SPI extension loading in ExtensionLoader Open

type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 52/100

apache/dubbo#16230 · Opened Apr 20, 2026
[Feature] When will Dubbo be compatible with Spring Boot 4? Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 28/100

apache/dubbo#16214 · 4 comments · Opened Apr 15, 2026
[Bug] List<Byte>, List<Short>, Map<String, Byte> deserialized as List<Integer>, Map<String, Integer> on provider side Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 52/100

apache/dubbo#16197 · 1 comment · Opened Apr 9, 2026
[Bug] issues 15271 Refactoring the bug in the registry center Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 45/100

apache/dubbo#16186 · 1 comment · Opened Mar 30, 2026
[Bug] Service startup fails when a weakly dependent ZooKeeper is down Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/dubbo#16178 · 3 comments · Opened Mar 27, 2026
[Feature] Request to revisit VirtualThreadPool optimization: Potential benchmark methodology issue Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/dubbo#16174 · 1 comment · Opened Mar 26, 2026
traceId missing from MDC in logs in Dubbo 3.3.2 Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/dubbo#16165 · 2 comments · Opened Mar 24, 2026
Thread pool exhaustion exception during Dubbo 3.2.0-beta.4 startup only Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/dubbo#16164 · 1 comment · Opened Mar 24, 2026
[GSoC 2026] Convert Dubbo capabilities into AI Skills. Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 30/100

apache/dubbo#16156 · 4 comments · Opened Mar 23, 2026
[GSoC 2026] Further strengthen the multi-language development of Dubbo. Open

component/sdk help wanted

Difficulty 5/5 Over a week Newbie friendliness 25/100

apache/dubbo#16155 · 1 comment · Opened Mar 23, 2026
[Bug] a dead-lock case in ServiceInstanceChangeListener will cause consumer can`t use latest provider instances list Open

status/waiting-for-feedback

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/dubbo#16149 · 4 comments · Opened Mar 20, 2026
[Bug] Dubbo ThreadPoolRejectMetric & ErrorCodeMetric cannot be exported to Prometheus Open

help wanted

Difficulty 3/5 1-2 days Newbie friendliness 48/100

apache/dubbo#16148 · 1 comment · Opened Mar 20, 2026
[Bug] Native Image Startup Error with ReferenceBean + @DubboReference Configuration Open

status/waiting-for-feedback

Difficulty 3/5 1-2 days Newbie friendliness 68/100

apache/dubbo#16145 · 5 comments · Opened Mar 18, 2026
[Bug] The traffic will be routed to instances of previous interface, which causes no such method error Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 45/100

apache/dubbo#16131 · 2 comments · Opened Mar 13, 2026
[Bug] SpringCloudServiceInstanceNotificationCustomizer causes "Unsupported protocol" error when Spring Cloud and Dubbo services coexist on the same Nacos namespace Open

status:need-discussion

Difficulty 4/5 3-5 days Newbie friendliness 48/100

apache/dubbo#16108 · 5 comments · Opened Feb 24, 2026
[Optimization] Improve Zookeeper startup wait logic in StartZookeeperWindowsProcessor Open

type/enhancement

Difficulty 3/5 1-2 days Newbie friendliness 70/100

apache/dubbo#16085 · 3 comments · Opened Feb 14, 2026
[Bug] When Dubbo is used in conjunction with the Spring container, if the Dubbo generic invocation mode is used and the bean is created using the @bean annotation, it can result in the consumer not being registered as a Spring bean. Open

status/waiting-for-feedback

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/dubbo#16083 · 5 comments · Opened Feb 13, 2026
[Bug] dubbo 3.0.12 qos command of 'offlineApp' and 'onlineApp' can cause no provider situtation Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/dubbo#16067 · 7 comments · Opened Feb 3, 2026
[Bug] NettyConnectionHandler.channelInactive() does not remove channel from CHANNEL_MAP causing memory leak Open

type/bug

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

apache/dubbo#16054 · 2 comments · Opened Jan 27, 2026
[Bug] Compatibility issues when migrating from Dubbo 2.5.x to 3.3.x Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/dubbo#16046 · 7 comments · Opened Jan 24, 2026
[Bug] Instance-level registration fails when a single application acts as both provider and consumer with @DubboReference(scope = "remote") Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/dubbo#16040 · 1 comment · Opened Jan 22, 2026
[Feature] Why does Dubbo have a strong dependency on JDK versions? Open

status:need-discussion

Difficulty 5/5 Over a week Newbie friendliness 30/100

apache/dubbo#16030 · 7 comments · Opened Jan 21, 2026
[Bug] jdk21+dubbo3.3.6 start npe Open

status/waiting-for-feedback

Difficulty 4/5 3-5 days Newbie friendliness 38/100

apache/dubbo#16003 · 1 comment · Opened Jan 15, 2026
[Feature] Compatibility issue with Spring Boot 3.5.x + Spring Cloud 2025.0.0 + Spring Cloud Alibaba 2025.0.0.0 — Question about 2025 adaptation plan Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 30/100

apache/dubbo#15996 · 4 comments · Opened Jan 12, 2026
[Bug] Cannot directly call APISIX gateway via @DubboReference annotation (Triple protocol) Open

help wanted

Difficulty 4/5 3-5 days Newbie friendliness 35/100

apache/dubbo#15968 · 4 comments · Opened Jan 5, 2026

apache/dubbo

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