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higress调用nacos mcp工具偶发报错503 #15461

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@zhjike0801

higress版本:2.2.0
nacos版本:3.2.2
操作:在nacos3.2.2 mcp管理模块里 将存量的api接口配置成mcp工具描述;higress动态发现(mcpbridage方式)设置这些mcp工具,调用的时候频繁会出现503的情况
部署方式:higress helm k8s方式部署 分开部署了higress-gateway higress-controller和higress-console
wasm插件: 2.0.0版本 使用了官网提供的 wasm-server docker镜像 使用了 mcp-server:2.0.0的插件

错误日志:从higress-gateway上查看日志 报的信息是 {“ai_log”:"-",......, "protocol":"HTTP/1.1","response_code":"200","upstream_host":"-","upstream_local_address":"-","response_code_details":"wasm_fail_stream"}:

重点:nacos是升级了3.2.2后出现这种问题的,未升级之前是3.0.2版本的mcp没有这种问题

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