Apache Dubbo, a robust RPC and microservice framework, has experienced active development with significant bug fixes and feature enhancements, reflecting a commitment to improving system stability and expanding capabilities.
Recent issues and pull requests (PRs) indicate a focus on serialization problems, protocol compatibility, and performance concerns. Key issues include deserialization failures (#14701) and registry center complications (#14699). The development team is actively addressing these through collaborative efforts.
Albumen Kevin (AlbumenJ)
Summary
Quantified Reports
Detailed Reports3.2 and 3.3, implemented basic authentication, fixed TCP connection bugs.co63oc
TelnetUtils.Liujunjie (JunJieLiu51520)
dependabot[bot]
TomlongTK (finefuture)
Ken Liu (chickenlj)
Sean Yang (oxsean)
王聪洋 (wcy666103)
Serialization Issues: Ongoing challenges with serialization formats, especially within the Triple protocol.
Dependency Updates: Regular updates to key libraries like protobuf-java and curator.
Feature Enhancements: New support for configuring HTTP2 max stream size in Spring Boot (#14702).
Community Engagement: Active community contributions addressing bugs and proposing new features.
Configuration Management: Need for improved documentation around configuration options highlighted by user feedback.
| Timespan | Opened | Closed | Comments | Labeled | Milestones |
|---|---|---|---|---|---|
| 7 Days | 6 | 2 | 4 | 0 | 1 |
| 30 Days | 36 | 28 | 50 | 0 | 1 |
| 90 Days | 99 | 60 | 223 | 1 | 1 |
| 1 Year | 327 | 200 | 963 | 27 | 3 |
| All Time | 7002 | 6238 | - | - | - |
Like all software activity quantification, these numbers are imperfect but sometimes useful. Comments, Labels, and Milestones refer to those issues opened in the timespan in question.
| Developer | Avatar | Branches | PRs | Commits | Files | Changes |
|---|---|---|---|---|---|---|
| Ken Liu |  |
2 | 1/1/0 | 5 | 311 | 22177 |
| Sean Yang |  |
2 | 15/14/0 | 17 | 223 | 10981 |
| Albumen Kevin |  |
2 | 8/9/0 | 17 | 57 | 1512 |
| 王聪洋 |  |
1 | 0/0/0 | 1 | 25 | 825 |
| TomlongTK |  |
1 | 2/3/0 | 3 | 27 | 523 |
| dependabot[bot] |  |
22 | 50/30/0 | 51 | 18 | 172 |
| funkye (funky-eyes) | 1 | 1/1/0 | 1 | 14 | 84 | |
| jiangyuan |  |
1 | 0/1/0 | 1 | 2 | 81 |
| Liujunjie |  |
1 | 5/2/3 | 2 | 6 | 63 |
| co63oc |  |
1 | 1/1/0 | 1 | 6 | 30 |
| Jermaine Hua |  |
1 | 2/2/0 | 2 | 2 | 20 |
| aofall |  |
1 | 1/1/0 | 1 | 1 | 13 |
| lazy |  |
1 | 3/1/1 | 1 | 1 | 4 |
| Zaki |  |
1 | 1/1/0 | 1 | 2 | 2 |
| The True HOOHA |  |
1 | 1/1/0 | 1 | 1 | 1 |
| None (Chenjp) | 0 | 1/0/1 | 0 | 0 | 0 | |
| xingci (xingcici) | 0 | 1/0/0 | 0 | 0 | 0 | |
| JinQian (JinQian1024) | 0 | 1/0/0 | 0 | 0 | 0 | |
| None (heliang666s) | 0 | 2/0/1 | 0 | 0 | 0 | |
| None (bleachyiqihu) | 0 | 1/0/1 | 0 | 0 | 0 |
PRs: created by that dev and opened/merged/closed-unmerged during the period
The Apache Dubbo project has seen a significant uptick in activity recently, with 764 open issues currently logged. Notably, several issues have been raised regarding serialization problems, compatibility with different protocols, and performance concerns. A recurring theme is the need for better integration and support for various serialization formats, particularly in the context of the Triple protocol and its interaction with other components like Spring Boot and Nacos.
Several issues indicate potential gaps in documentation or functionality, particularly around error handling and configuration management. The community appears to be actively engaged, with many contributors willing to submit pull requests to address these issues.
Issue #14701: [Bug] In the Dubbo interface, the parameter type is defined as the parent class, but when a subclass is passed as a parameter, deserialization fails.
Issue #14699: [Bug] Registry. check=false is not available under multiple registration centers.
Issue #14696: [Bug] application/x-www-form-urlencoded There is a problem with parameter parsing.
Issue #14675: [Bug] In Dubbo 3.3.0 & 3.2.16, a java.util.concurrent.RejectedExecutionException is occasionally thrown during asynchronous service processing.
Issue #14674: [Bug] Multiple registration centers cause clients to fail to call providers when one registry center goes down.
Issue #14668: [Bug] java.util.ArrayList cannot be assigned to 'java.util.List'.
Issue #14666: [Bug] After running for a period of time, the provider is lost.
Issue #14663: [Feature] Best Practices for Using Dubbo Stream.
Issue #14661: [Bug] Dubbo 2.7.23 Consumer not consuming properly when provider custom extends Dispatcher.
Issue #14660: Dubbo Java 2.7.1 occasionally problem when the provider's IP changes after deployment.
A significant number of recent issues revolve around serialization errors and compatibility between different versions of Dubbo and external systems (e.g., Spring Boot, Nacos). This suggests that users are facing challenges when upgrading or integrating Dubbo with other technologies.
The presence of multiple bugs related to asynchronous processing indicates potential stability concerns in high-load scenarios, particularly with regard to how Dubbo manages threads and connections.
The community's willingness to contribute fixes through pull requests reflects an active engagement and desire to improve the framework's robustness.
Issues related to configuration management highlight a need for clearer documentation and potentially more user-friendly configuration options.
Overall, the current state of open issues indicates both a vibrant community working on enhancing Apache Dubbo and some critical areas that require immediate attention to improve user experience and system stability.
The analysis of the Apache Dubbo project's pull requests (PRs) reveals a vibrant and active development community focused on enhancing the framework's capabilities, addressing bugs, and improving overall performance. The PRs cover a wide range of topics, including feature additions, dependency updates, and code optimizations.
PR #14702: Added support for configuring Tomcat HTTP2 max stream size in Spring Boot. This PR enhances the framework's compatibility with HTTP2 by allowing configuration adjustments directly through Spring Boot.
PR #14698: Bumped protobuf-java dependency version from 3.25.0 to 3.25.5. This is a routine dependency update that ensures compatibility with the latest features and security patches in Protocol Buffers.
PR #14694: Updated curator5_version from 4.2.0 to 5.7.0. This update includes various bug fixes and improvements from the Apache Curator project, which is essential for ZooKeeper operations.
PR #14693: Bumped mustache.java compiler version from 0.9.10 to 0.9.14. This update likely includes bug fixes and new features from the Mustache templating engine.
PR #14692: Updated seata.version from 1.6.1 to 1.8.0, bringing in new features and bug fixes from the Seata distributed transaction solution.
Dependency Management: A significant number of PRs are focused on updating dependencies across various components of the Dubbo ecosystem. This reflects an active effort to keep the framework up-to-date with the latest versions of its dependencies, ensuring security, performance, and compatibility improvements.
Feature Enhancements: PRs like #14702 demonstrate ongoing efforts to enhance existing features or add new capabilities to Dubbo, such as improved HTTP2 support.
Community Contributions: The presence of contributions from various developers (e.g., dependabot[bot], Sean Yang) indicates a healthy community involvement in the project's development.
Code Quality and Maintenance: Routine updates and optimizations (e.g., PRs related to dependency bumps) suggest a strong focus on maintaining code quality and addressing technical debt.
The analysis of PRs shows a well-maintained project with regular updates and enhancements driven by both core developers and community contributors. The focus on dependency management highlights the project's commitment to security and stability, while feature enhancements indicate an active development roadmap aimed at expanding Dubbo's capabilities.
protobuf-java, curator, and others suggest that Dubbo is actively managed with attention to external libraries that impact its functionality.Continuous Monitoring of Dependencies: Given the frequency of dependency updates, it would be beneficial to implement automated tools that can regularly check for outdated dependencies and create PRs for updates.
Enhanced Documentation for New Features: As new features are added (e.g., HTTP2 max stream size configuration), ensuring that documentation is updated promptly will help users leverage these enhancements effectively.
Community Engagement Initiatives: Encouraging more community contributions through hackathons or contribution days could further enhance the development pace and bring in diverse perspectives on feature enhancements.
Performance Testing for New Features: With the addition of features like adaptive load balancing algorithms (as seen in PR #14420), it's crucial to have robust performance testing frameworks in place to evaluate the impact of these features on system performance under various load conditions.
In conclusion, Apache Dubbo's pull request activity reflects a dynamic project environment focused on continuous improvement, community engagement, and adherence to modern software development practices.
Albumen Kevin (AlbumenJ)
3.3.1-SNAPSHOT and 3.2.17-SNAPSHOT.3.2 and 3.3.co63oc
Liujunjie (JunJieLiu51520)
dependabot[bot]
TomlongTK (finefuture)
Ken Liu (chickenlj)
Sean Yang (oxsean)
王聪洋 (wcy666103)
Version Management: A significant focus on managing versions with multiple bumps for both major releases (e.g., 3.3) and minor updates.
Collaboration: Frequent collaboration among team members, particularly during merges from different branches, indicating a cohesive development effort.
Bug Fixes: A consistent theme of addressing bugs related to performance (TCP connections), functionality (REST handling), and stability (LRUCache).
Dependency Management: Heavy reliance on dependabot for keeping dependencies up-to-date, reflecting a proactive approach to security and compatibility.
Feature Enhancements: Ongoing development of new features such as basic authentication support and xDS resource management, indicating an evolving framework that adapts to user needs.
The development team is actively engaged in maintaining and enhancing the Apache Dubbo framework through collaborative efforts, timely bug fixes, feature implementations, and diligent dependency management. The recent activities reflect a strong commitment to improving the framework's robustness while also preparing for future releases with significant updates.