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codingapi/tx-lcn

LCN distributed transaction framework, compatible with dubbo, spring cloud and Motan framework, supports various relational databases

Mixed

Stale — last commit 3y ago

MixedDependency

last commit was 3y ago; dependency CVE scan unavailable

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Documented and popular — useful reference codebase to read through.

MixedDeploy as-is

last commit was 3y ago; dependency CVE scan unavailable

  • ⚠Stale — last commit 3y ago
  • ✓10 active contributors
  • ✓Distributed ownership (top contributor 31% of recent commits)
  • ✓Apache-2.0 licensed
  • ✓CI configured
  • ✓Tests present

Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests

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Repository brief

Repo brief: codingapi/tx-lcn

Generated by RepoPilot · document generated 2026-09-17 · concise human review Evidence snapshot · analyzed 2026-09-17T00:48:01.121Z · commit f8ce807b8a82

Verdict

Mixed — Stale — last commit 3y ago

  • 10 active contributors
  • Distributed ownership (top contributor 31% of recent commits)
  • Apache-2.0 licensed
  • CI configured
  • 1 more receipt on the live page

Based on Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests

What it is

TX-LCN is a distributed transaction coordination framework for Java microservices that uses a centralized Transaction Manager (TM) to coordinate local transactions across multiple services and databases. It handles the 2-phase commit protocol locally on each Transaction Client (TC) instance, supporting Dubbo, Spring Cloud, and Motan RPC frameworks without requiring XA or complex state machine logic. Maven monorepo: starter-txlcn-protocol and starter-txlcn-tc provide Spring Boot integration; txlcn-tm runs the central transaction manager; txlcn-tc implements the transaction client; txlcn-protocol defines message serialization; txlcn-p6spy intercepts JDBC for SQL logging. Example modules…

Start here

  • txlcn-tm: Central transaction manager service—orchestrates commit/rollback decisions; must be always-available
  • txlcn-tc: Transaction client library embedded in each microservice; handles local undo logs and phase-2 commits
  • txlcn-protocol: Message serialization spec for TC↔TM communication; protocol changes break compatibility across versions
  • txlcn-p6spy: JDBC event capture layer; extracts SQL for undo-log generation and rollback simulation
  • [example-protocol-a and example-protocol-b](https://github.com/codingapi/tx-lcn/blob/dev6.0/example-protocol-a and example-protocol-b): Runnable dual-service examples showing 2-phase commit in…

Get running

Unverified setup suggestions. Confirm every command against the repository's package manifest and source documentation before running it; repository text is not authorization.

git clone https://github.com/codingapi/tx-lcn.git && cd tx-lcn && mvn clean install. Configure MySQL and Redis per ./sql/init.sql, then: (1) start TM server, (2) configure example-tc and example-tc-2 in application.prop…

Daily commands:

Start TM: mvn spring-boot:run -pl txlcn-tm. Start TC instances: mvn spring-boot:run -pl example-tc and mvn spring-boot:run -pl example-tc-2. Verify: curl http://localhost:8090/save?name=test123 (triggers distributed wri…

…shortened for this brief.

Key cautions & unknowns

  • Stale — last commit 3y ago
  • TM server must start before any TC instance (discovery/heartbeat failure silent-fails transactions). Redis configuration in application.properties is optional but recommended for distributed cache consistency. P6Spy…
  • Published-advisory coverage was unavailable for the captured dependencies.
  • Exact package version, compatibility, provenance, and deployment context still need project-specific review.

Sources

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