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微信浏览器script随机加载失败

很早之前反馈过相同的问题, 页面加载script随机出现加载失败的问题


总是报错Can't find variable xxx 或者xxx is undefined这种问题


from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 12_1_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/16D57 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Thu Jan 02 20:17:41 CST 2020       window error, after page load 1122ms,log{"msg":"ReferenceError: Can't find variable: dealContentFile","url":"","line":927,"col":19,"error":{"line":927,"column":19,"sourceURL":""}}

from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 12_1_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/16D57 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Thu Jan 02 20:17:41 CST 2020       window error, after page load 1133ms,log{"msg":"ReferenceError: Can't find variable: EJS","url":"","line":1197,"col":35,"error":{"line":1197,"column":35,"sourceURL":""}}


from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_1_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/4G Language/zh_CN} Thu Jan 02 20:17:53 CST 2020  window error, after page load 1179ms,log{"msg":"ReferenceError: Can't find variable: getCourseShare","url":"","line":925,"col":20,"error":{"line":925,"column":20,"sourceURL":""}}



问题中的js引入方式, 都是通过script标签, 非微信浏览器都正常

<script src="/mx-static/js/tmpl/ejs/ejs_production.js"></script>



ps: 记得3年前反馈的时候, 微信的攻城狮联调过, 如果微信使用debug模式, 或者内置浏览器, 就不会出现问题了, 当时承诺发现问题后的半年, 也就是当年10月份可以上线解决, 但现在3年多都没解决, 我现在只想知道我怎么避免这种问题, 不报希望了!!!!!!!!!!



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补充新报错log

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:53:48 CST 2020     window error, after page load 56ms,log{"msg":"TypeError: undefined is not an object (evaluating 'document.getElementsByTagName('body')[0].appendChild')","url":"http://m.minstars.cn/mx-static/js/bootstrap/bootstrap.min.js?t=1570864964521","line":1,"col":137,"error":{"line":1,"column":137,"sourceURL":"http://m.minstars.cn/mx-static/js/bootstrap/bootstrap.min.js?t=1570864964521"}}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:53:48 CST 2020     window error, after page load 18ms,log{"msg":"Script error.","url":"","line":0,"col":0,"error":null}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:53:48 CST 2020     window error, after page load 21ms,log{"msg":"Script error.","url":"","line":0,"col":0,"error":null}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:53:48 CST 2020     window error, after page load 22ms,log{"msg":"TypeError: undefined is not an object (evaluating 'document.getElementsByTagName('body')[0].appendChild')","url":"http://m.minstars.cn/mx-static/js/cookie/jquery.cookie.js?t=1570864964521","line":1,"col":137,"error":{"line":1,"column":137,"sourceURL":"http://m.minstars.cn/mx-static/js/cookie/jquery.cookie.js?t=1570864964521"}}


JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:53:48 CST 2020     window error, after page load 720ms,log{"msg":"ReferenceError: Can't find variable: layer","url":"","line":618,"col":34,"error":{"line":618,"column":34,"sourceURL":""}}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:55:53 CST 2020 window error, after page load 43ms,log{"msg":"Script error.","url":"","line":0,"col":0,"error":null}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:55:53 CST 2020 window error, after page load 49ms,log{"msg":"TypeError: undefined is not an object (evaluating 'document.getElementsByTagName('body')[0].appendChild')","url":"http://m.minstars.cn/mx-static/js/cookie/jquery.cookie.js?t=1570864964521","line":1,"col":137,"error":{"line":1,"column":137,"sourceURL":"http://m.minstars.cn/mx-static/js/cookie/jquery.cookie.js?t=1570864964521"}}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:55:53 CST 2020 window error, after page load 48ms,log{"msg":"Script error.","url":"","line":0,"col":0,"error":null}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:55:53 CST 2020 window error, after page load 56ms,log{"msg":"TypeError: undefined is not an object (evaluating 'document.getElementsByTagName('body')[0].appendChild')","url":"http://m.minstars.cn/mx-static/js/bootstrap/bootstrap.min.js?t=1570864964521","line":1,"col":137,"error":{"line":1,"column":137,"sourceURL":"http://m.minstars.cn/mx-static/js/bootstrap/bootstrap.min.js?t=1570864964521"}}


JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/WIFI Language/zh_CN} Sat Jan 04 21:55:54 CST 2020 window error, after page load 480ms,log{"msg":"ReferenceError: Can't find variable: layer","url":"","line":618,"col":34,"error":{"line":618,"column":34,"sourceURL":""}}


JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/4G Language/zh_CN} Sat Jan 04 21:56:02 CST 2020   window error, after page load 9ms,log{"msg":"Script error.","url":"","line":0,"col":0,"error":null}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/4G Language/zh_CN} Sat Jan 04 21:56:02 CST 2020   window error, after page load 12ms,log{"msg":"Script error.","url":"","line":0,"col":0,"error":null}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/4G Language/zh_CN} Sat Jan 04 21:56:02 CST 2020   window error, after page load 50ms,log{"msg":"TypeError: undefined is not an object (evaluating 'document.getElementsByTagName('body')[0].appendChild')","url":"http://m.minstars.cn/mx-static/js/cookie/jquery.cookie.js?t=1570864964521","line":1,"col":137,"error":{"line":1,"column":137,"sourceURL":"http://m.minstars.cn/mx-static/js/cookie/jquery.cookie.js?t=1570864964521"}}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/4G Language/zh_CN} Sat Jan 04 21:56:02 CST 2020   window error, after page load 58ms,log{"msg":"TypeError: undefined is not an object (evaluating 'document.getElementsByTagName('body')[0].appendChild')","url":"http://m.minstars.cn/mx-static/js/bootstrap/bootstrap.min.js?t=1570864964521","line":1,"col":137,"error":{"line":1,"column":137,"sourceURL":"http://m.minstars.cn/mx-static/js/bootstrap/bootstrap.min.js?t=1570864964521"}}

JsLogController.jsConsole->() from agent{Mozilla/5.0 (iPhone; CPU iPhone OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 MicroMessenger/7.0.8(0x17000820) NetType/4G Language/zh_CN} Sat Jan 04 21:56:03 CST 2020   window error, after page load 801ms,log{"msg":"ReferenceError: Can't find variable: layer","url":"","line":618,"col":34,"error":{"line":618,"column":34,"sourceURL":""}}

最后一次编辑于  2020-01-04
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3 个回答

  • 建波
    建波
    2020-03-15

    我也有同样的问题。很紧急，百万PV以上系统

    发生时间：从2020年1月初开始，至今3月15号（期间疫情，时间只是大致，可能不是非常精准），陆续有用户反馈页面故障，逐渐增多。

    我方采取的猜测性解决方案：

    通过对用户日志的收集，提示Can't find variable XX，这个XX是定义在body里的一个script脚本内部函数名称。

    1.修改XX变量名：无效

    2.清除微信缓存：无效，但不确定

    3.直接删除XX的script脚本：依然有用户同样故障，但是不再提示Can't find variable XX；再次通过日志收集，页面没有报错，页面head里执行正常，但是没有后续日志记录了，发现很像body里的script脚本没有加载。

    4.让用户访问一个新的链接，再次访问故障链接：故障页面正常了

    结论：

    目前看起来比较像上面同学所说的随机性加载scritp失败问题


    2020-03-15
    有用 1
    回复 2
    • 周玉波
      周玉波
      2020-03-15
      你们现在有解决方案了么?
      2020-03-15
      赞
      回复
    • 建波
      建波
      2020-03-15回复周玉波
      还没有，之前没发现这个问题
      2020-03-15
      赞
      回复
  • 2020-03-22

    我也有碰到这个情况

    https://www.maxmon.top/pixel24/index.html（目标网页）

    https://www.maxmon.top/visit?code=pixel24（使用的jsonp）

    这个脚本里用于记录用户ip的，苹果和安卓默认浏览器可以使用；在安卓微信浏览器里，就会导致图片下载不下来的问题，用调试工具也没有提示报错。

    然后把jsonp的那段script注释掉，就正常，但还是很好奇，为什么会有这个问题

    2020-03-22
    有用
    回复
  • 是小白啊
    是小白啊
    2020-01-03

    提供下测试的case呢？

    2020-01-03
    有用
    回复 3
    • 周玉波
      周玉波
      2020-01-04
      讲真, 我不知道怎么模拟, 某些iphone访问有一定几率出现问题, 我只能提供log, 具体什么时候会出现, 我不知道
      2020-01-04
      赞
      回复
    • 建波
      建波
      2020-03-15回复周玉波
      你们最近有故障吗，我也有类似问题
      2020-03-15
      赞
      回复
    • 周玉波
      周玉波
      2020-03-15回复建波
      这个故障已经有3年多了吧
      2020-03-15
      赞
      回复
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