apache/dubbo Issues | Good First Issue

Stars: (41,524 stars)
Forks: (26,453 forks)
Indexed issues: (188 indexed issues)
open beginner issues: (181 open beginner issues)
Latest indexed: Jun 7, 2026
Last GitHub push: May 12, 2026
License: Apache License 2.0
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Dominant language: Java
PR merge metrics: (Avg merge 7d 14h) (20 merged PRs in 30d)
Beginner labels: help wantedgood first issue

Issues

181 open indexed issues

Open

[Bug] When running a Dubbo 3.3.6 application on JDK 25, application startup fails with `NoClassDefFoundError: com/google/gson/JsonSyntaxException`.

help wanted

apache/dubbo #16,295 opened May 28, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

Support SOCKS5 proxy for tri protocol in NettyConnectionClient

help wanted

apache/dubbo #16,276 opened May 18, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[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

help wanted

apache/dubbo #16,269 opened May 14, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Feature] When will Dubbo be compatible with Spring Boot 4?

help wanted

apache/dubbo #16,214 opened Apr 15, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Bug] List<Byte>, List<Short>, Map<String, Byte> deserialized as List<Integer>, Map<String, Integer> on provider side

help wanted

apache/dubbo #16,197 opened Apr 9, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] issues 15271 Refactoring the bug in the registry center

help wanted

apache/dubbo #16,186 opened Mar 30, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] Service startup fails when a weakly dependent ZooKeeper is down

help wanted

apache/dubbo #16,178 opened Mar 27, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Feature] Request to revisit VirtualThreadPool optimization: Potential benchmark methodology issue

help wanted

apache/dubbo #16,174 opened Mar 26, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

0 comments0 reactions0 assignees

Open

traceId missing from MDC in logs in Dubbo 3.3.2

help wanted

apache/dubbo #16,165 opened Mar 24, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[GSoC 2026] Convert Dubbo capabilities into AI Skills.

help wanted

apache/dubbo #16,156 opened Mar 23, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

4 comments0 reactions0 assignees

Open

[GSoC 2026] Further strengthen the multi-language development of Dubbo.

component/sdkhelp wanted

apache/dubbo #16,155 opened Mar 23, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] Dubbo ThreadPoolRejectMetric & ErrorCodeMetric cannot be exported to Prometheus

help wanted

apache/dubbo #16,148 opened Mar 20, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] The traffic will be routed to instances of previous interface, which causes no such method error

help wanted

apache/dubbo #16,131 opened Mar 13, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Bug] dubbo 3.0.12 qos command of 'offlineApp' and 'onlineApp' can cause no provider situtation

help wanted

apache/dubbo #16,067 opened Feb 3, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

7 comments0 reactions0 assignees

Open

[Bug] Compatibility issues when migrating from Dubbo 2.5.x to 3.3.x

help wanted

apache/dubbo #16,046 opened Jan 24, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

7 comments0 reactions0 assignees

Open

[Bug] Instance-level registration fails when a single application acts as both provider and consumer with @DubboReference(scope = "remote")

help wanted

apache/dubbo #16,040 opened Jan 22, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[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

help wanted

apache/dubbo #15,996 opened Jan 12, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

4 comments0 reactions0 assignees

Open

[Bug] Cannot directly call APISIX gateway via @DubboReference annotation (Triple protocol)

help wanted

apache/dubbo #15,968 opened Jan 5, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

4 comments0 reactions0 assignees

Open

[Bug] Thread leak in NacosRegistry.scheduleServiceNamesLookup due to race condition

help wanted

apache/dubbo #15,886 opened Dec 20, 2025 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Bug] The consumer keep executing the reconnection, after all providers are offline

help wanted

apache/dubbo #15,880 opened Dec 18, 2025 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

11 comments0 reactions0 assignees

Stars: (41,524 stars)
Forks: (26,453 forks)
Indexed issues: (188 indexed issues)
open beginner issues: (181 open beginner issues)
Latest indexed: Jun 7, 2026
Last GitHub push: May 12, 2026
License: Apache License 2.0
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Dominant language: Java
PR merge metrics: (Avg merge 7d 14h) (20 merged PRs in 30d)
Beginner labels: help wantedgood first issue

Issues

181 open indexed issues

RSS Atom

Open

[Bug] When running a Dubbo 3.3.6 application on JDK 25, application startup fails with `NoClassDefFoundError: com/google/gson/JsonSyntaxException`.

help wanted

apache/dubbo #16,295 opened May 28, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

Support SOCKS5 proxy for tri protocol in NettyConnectionClient

help wanted

apache/dubbo #16,276 opened May 18, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[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

help wanted

apache/dubbo #16,269 opened May 14, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Feature] When will Dubbo be compatible with Spring Boot 4?

help wanted

apache/dubbo #16,214 opened Apr 15, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Bug] List<Byte>, List<Short>, Map<String, Byte> deserialized as List<Integer>, Map<String, Integer> on provider side

help wanted

apache/dubbo #16,197 opened Apr 9, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] issues 15271 Refactoring the bug in the registry center

help wanted

apache/dubbo #16,186 opened Mar 30, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] Service startup fails when a weakly dependent ZooKeeper is down

help wanted

apache/dubbo #16,178 opened Mar 27, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Feature] Request to revisit VirtualThreadPool optimization: Potential benchmark methodology issue

help wanted

apache/dubbo #16,174 opened Mar 26, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

0 comments0 reactions0 assignees

Open

traceId missing from MDC in logs in Dubbo 3.3.2

help wanted

apache/dubbo #16,165 opened Mar 24, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[GSoC 2026] Convert Dubbo capabilities into AI Skills.

help wanted

apache/dubbo #16,156 opened Mar 23, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

4 comments0 reactions0 assignees

Open

[GSoC 2026] Further strengthen the multi-language development of Dubbo.

component/sdkhelp wanted

apache/dubbo #16,155 opened Mar 23, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] Dubbo ThreadPoolRejectMetric & ErrorCodeMetric cannot be exported to Prometheus

help wanted

apache/dubbo #16,148 opened Mar 20, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] The traffic will be routed to instances of previous interface, which causes no such method error

help wanted

apache/dubbo #16,131 opened Mar 13, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Bug] dubbo 3.0.12 qos command of 'offlineApp' and 'onlineApp' can cause no provider situtation

help wanted

apache/dubbo #16,067 opened Feb 3, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

7 comments0 reactions0 assignees

Open

[Bug] Compatibility issues when migrating from Dubbo 2.5.x to 3.3.x

help wanted

apache/dubbo #16,046 opened Jan 24, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

7 comments0 reactions0 assignees

Open

[Bug] Instance-level registration fails when a single application acts as both provider and consumer with @DubboReference(scope = "remote")

help wanted

apache/dubbo #16,040 opened Jan 22, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[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

help wanted

apache/dubbo #15,996 opened Jan 12, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

4 comments0 reactions0 assignees

Open

[Bug] Cannot directly call APISIX gateway via @DubboReference annotation (Triple protocol)

help wanted

apache/dubbo #15,968 opened Jan 5, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

4 comments0 reactions0 assignees

Open

[Bug] Thread leak in NacosRegistry.scheduleServiceNamesLookup due to race condition

help wanted

apache/dubbo #15,886 opened Dec 20, 2025 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Bug] The consumer keep executing the reconnection, after all providers are offline

help wanted

apache/dubbo #15,880 opened Dec 18, 2025 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

11 comments0 reactions0 assignees

Stars: (41,524 stars)
Forks: (26,453 forks)
Indexed issues: (188 indexed issues)
open beginner issues: (181 open beginner issues)
Latest indexed: Jun 7, 2026
Last GitHub push: May 12, 2026
License: Apache License 2.0
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Dominant language: Java
PR merge metrics: (Avg merge 7d 14h) (20 merged PRs in 30d)
Beginner labels: help wantedgood first issue

Issues

181 open indexed issues

RSS Atom

Open

[Bug] When running a Dubbo 3.3.6 application on JDK 25, application startup fails with `NoClassDefFoundError: com/google/gson/JsonSyntaxException`.

help wanted

apache/dubbo #16,295 opened May 28, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

Support SOCKS5 proxy for tri protocol in NettyConnectionClient

help wanted

apache/dubbo #16,276 opened May 18, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[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

help wanted

apache/dubbo #16,269 opened May 14, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Feature] When will Dubbo be compatible with Spring Boot 4?

help wanted

apache/dubbo #16,214 opened Apr 15, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Bug] List<Byte>, List<Short>, Map<String, Byte> deserialized as List<Integer>, Map<String, Integer> on provider side

help wanted

apache/dubbo #16,197 opened Apr 9, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] issues 15271 Refactoring the bug in the registry center

help wanted

apache/dubbo #16,186 opened Mar 30, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] Service startup fails when a weakly dependent ZooKeeper is down

help wanted

apache/dubbo #16,178 opened Mar 27, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Feature] Request to revisit VirtualThreadPool optimization: Potential benchmark methodology issue

help wanted

apache/dubbo #16,174 opened Mar 26, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · No comments yet

No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available

0 comments0 reactions0 assignees

Open

traceId missing from MDC in logs in Dubbo 3.3.2

help wanted

apache/dubbo #16,165 opened Mar 24, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[GSoC 2026] Convert Dubbo capabilities into AI Skills.

help wanted

apache/dubbo #16,156 opened Mar 23, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

4 comments0 reactions0 assignees

Open

[GSoC 2026] Further strengthen the multi-language development of Dubbo.

component/sdkhelp wanted

apache/dubbo #16,155 opened Mar 23, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] Dubbo ThreadPoolRejectMetric & ErrorCodeMetric cannot be exported to Prometheus

help wanted

apache/dubbo #16,148 opened Mar 20, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[Bug] The traffic will be routed to instances of previous interface, which causes no such method error

help wanted

apache/dubbo #16,131 opened Mar 13, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Bug] dubbo 3.0.12 qos command of 'offlineApp' and 'onlineApp' can cause no provider situtation

help wanted

apache/dubbo #16,067 opened Feb 3, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

7 comments0 reactions0 assignees

Open

[Bug] Compatibility issues when migrating from Dubbo 2.5.x to 3.3.x

help wanted

apache/dubbo #16,046 opened Jan 24, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

7 comments0 reactions0 assignees

Open

[Bug] Instance-level registration fails when a single application acts as both provider and consumer with @DubboReference(scope = "remote")

help wanted

apache/dubbo #16,040 opened Jan 22, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

1 comment0 reactions0 assignees

Open

[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

help wanted

apache/dubbo #15,996 opened Jan 12, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

4 comments0 reactions0 assignees

Open

[Bug] Cannot directly call APISIX gateway via @DubboReference annotation (Triple protocol)

help wanted

apache/dubbo #15,968 opened Jan 5, 2026 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

4 comments0 reactions0 assignees

Open

[Bug] Thread leak in NacosRegistry.scheduleServiceNamesLookup due to race condition

help wanted

apache/dubbo #15,886 opened Dec 20, 2025 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

2 comments0 reactions0 assignees

Open

[Bug] The consumer keep executing the reconnection, after all providers are offline

help wanted

apache/dubbo #15,880 opened Dec 18, 2025 · Java · 41,524 stars

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

11 comments0 reactions0 assignees

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