{"record":{"id":"725d961ad192f360","repo":"ruvnet/ruflo","slug":"federation-transport-close-error-err-instanceof","errorCode":null,"errorMessage":"Federation transport close error: ${err instanceof Error ? err.message : err}","messagePattern":"Federation transport close error: (.+?)","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"v3/@claude-flow/plugin-agent-federation/src/plugin.ts","lineNumber":556,"sourceCode":"    if (this.agentCardServer) {\n      try {\n        await this.agentCardServer.close();\n      } catch (err) {\n        this.context?.logger.warn(\n          `A2A agent card server close error: ${err instanceof Error ? err.message : err}`,\n        );\n      }\n      this.agentCardServer = null;\n    }\n    if (this.coordinator) {\n      await this.coordinator.shutdown();\n      this.coordinator = null;\n    }\n    if (this.transport) {\n      try {\n        await this.transport.close?.();\n      } catch (err) {\n        this.context?.logger.warn(\n          `Federation transport close error: ${err instanceof Error ? err.message : err}`,\n        );\n      }\n      this.transport = null;\n    }\n    this.context?.logger.info('Agent Federation plugin shut down');\n    this.context = null;\n  }\n\n  registerMCPTools(): MCPToolDefinition[] {\n    return createMcpTools(() => this.coordinator, () => this.context);\n  }\n\n  registerCLICommands(): CLICommandDefinition[] {\n    return createCliCommands(() => this.coordinator, () => this.context);\n  }\n\n  registerAgentTypes(): AgentTypeDefinition[] {","sourceCodeStart":538,"sourceCodeEnd":574,"githubUrl":"https://github.com/ruvnet/ruflo/blob/fa13ee4ad60ac2090b1480656eb233521790d640/v3/@claude-flow/plugin-agent-federation/src/plugin.ts#L538-L574","documentation":"Log warning in shutdown: closing the federation transport threw; the error is logged and shutdown continues releasing remaining resources rather than aborting.","triggerScenarios":"Thrown at v3/@claude-flow/plugin-agent-federation/src/plugin.ts:556 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Inspect the transport close error; usually benign during shutdown, but repeated occurrences indicate connections are not being cleaned up."],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"fa13ee4ad60ac2090b1480656eb233521790d640","analyzedAt":"2026-08-18T21:34:22.708Z","contentChangedAt":"2026-08-18T21:34:22.708Z","schemaVersion":2},"datasetVersion":"2026-09-14T05:17:10.506Z"}