René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"调用微信接口异常重试逻辑问题","articleBody":"### 简要描述\r\n调用微信接口响应超时异常，会导致重复调用接口，从而导致重复发送模板消息、客服消息等\r\n\r\n### 模块版本情况\r\n* WxJava 模块名: weixin-java-mp\r\n* WxJava 版本号: 4.0.8.B\r\n\r\n### 详细描述\r\n重试逻辑有问题，问题代码\r\n\u003e errorCode == -1 时会重试\r\n\r\nhttps://github.com/Wechat-Group/WxJava/blob/15bd95c3cbbfcd9a5eee93e209207cd245f4e81a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/BaseWxMpServiceImpl.java#L336-L353\r\n\u003e 请求超时（连接超时、响应超时），WxError.getErrorCode() 默认是 -1\r\n\r\nhttps://github.com/Wechat-Group/WxJava/blob/15bd95c3cbbfcd9a5eee93e209207cd245f4e81a/weixin-java-mp/src/main/java/me/chanjar/weixin/mp/api/impl/BaseWxMpServiceImpl.java#L401-L404\r\n\r\nhttps://github.com/Wechat-Group/WxJava/blob/15bd95c3cbbfcd9a5eee93e209207cd245f4e81a/weixin-java-common/src/main/java/me/chanjar/weixin/common/error/WxErrorException.java#L25-L28\r\n\r\n\u003e 以下异常定义\r\n\r\n```java\r\n// errorCode == -1 \r\nthrow new WxErrorException(\"请先设置WebhookKey\");\r\n```\r\n\r\n基于以上代码，可以发现\r\n- `IOException`异常会导致重试（猜测这个并不需要重试，会导致响应超时异常也重复调用接口，影响：调用发送模板、发送群推等接口会导致用户收到多条）\r\n- `throw new WxErrorException(\"异常信息\")`定义异常会导致重试\r\n- 微信官方接口返回`{\"errcode\":-1,\"errmsg\":\"system error rid: 60891646-03eed615-7f6889ef\"}`会重试（猜测实现重试是这个意图）\r\n### 日志\r\n\u003e 此处复现的是连接超时导致重试（响应超时也会存在重试问题）\r\n\r\n```text\r\n2021-04-29 11:59:20.825 ERROR 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : \r\n【请求地址】: https://api.weixin.qq.com/cgi-bin/material/get_materialcount?access_token=token脱敏\r\n【请求参数】：null\r\n【异常信息】：java.net.SocketException: Connection reset\r\n2021-04-29 11:59:20.827  WARN 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : 微信系统繁忙，1000 ms 后重试(第1次)\r\n2021-04-29 11:59:26.836 ERROR 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : \r\n【请求地址】: https://api.weixin.qq.com/cgi-bin/material/get_materialcount?access_token=token脱敏\r\n【请求参数】：null\r\n【异常信息】：java.net.SocketException: Connection reset\r\n2021-04-29 11:59:26.836  WARN 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : 微信系统繁忙，2000 ms 后重试(第2次)\r\n2021-04-29 11:59:33.840 ERROR 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : \r\n【请求地址】: https://api.weixin.qq.com/cgi-bin/material/get_materialcount?access_token=token脱敏\r\n【请求参数】：null\r\n【异常信息】：java.net.SocketException: Connection reset\r\n2021-04-29 11:59:33.840  WARN 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : 微信系统繁忙，4000 ms 后重试(第3次)\r\n2021-04-29 11:59:42.848 ERROR 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : \r\n【请求地址】: https://api.weixin.qq.com/cgi-bin/material/get_materialcount?access_token=token脱敏\r\n【请求参数】：null\r\n【异常信息】：java.net.SocketException: Connection reset\r\n2021-04-29 11:59:42.848  WARN 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : 微信系统繁忙，8000 ms 后重试(第4次)\r\n2021-04-29 11:59:55.866 ERROR 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : \r\n【请求地址】: https://api.weixin.qq.com/cgi-bin/material/get_materialcount?access_token=token脱敏\r\n【请求参数】：null\r\n【异常信息】：java.net.SocketException: Connection reset\r\n2021-04-29 12:00:26.431  WARN 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : 微信系统繁忙，16000 ms 后重试(第5次)\r\n2021-04-29 12:01:10.443 ERROR 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : \r\n【请求地址】: https://api.weixin.qq.com/cgi-bin/material/get_materialcount?access_token=token脱敏\r\n【请求参数】：null\r\n【异常信息】：java.net.SocketException: Connection reset\r\n2021-04-29 12:01:10.445  WARN 6517 --- [sync-scheduler1] m.c.w.mp.api.impl.BaseWxMpServiceImpl    : 重试达到最大次数【5】\r\n```\r\n\r\n### 修复建议\r\nhttps://github.com/Wechat-Group/WxJava/blob/15bd95c3cbbfcd9a5eee93e209207cd245f4e81a/weixin-java-common/src/main/java/me/chanjar/weixin/common/error/WxErrorException.java#L11-L13\r\nhttps://github.com/Wechat-Group/WxJava/blob/15bd95c3cbbfcd9a5eee93e209207cd245f4e81a/weixin-java-common/src/main/java/me/chanjar/weixin/common/error/WxErrorException.java#L25-L28\r\n初始化默认值-1，改成其他（比如-99、-10000等），保证不和微信接口官方返回错误码重复即可","author":{"url":"https://github.com/foreveryang321","@type":"Person","name":"foreveryang321"},"datePublished":"2021-04-29T05:24:58.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/2098/WxJava/issues/2098"}