奇怪的流星错误：[日志]来自Deps重新计算函数的异常: NotFoundError: DOM异常8

Question

这是这样一个随机的错误消息吗？有什么好的故障排除技巧可以跟踪这些问题的来源？

SAFARI控制台：

[Log] Exception from Deps recompute function: NotFoundError: DOM Exception 8 (meteor.js, line 741)
insertBefore@[native code]
_insertNodeWithHooks@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:349:24
_insert@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:318:36
attach@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:395:23
_insert@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:313:13
attach@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:395:23
_insert@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:313:13
attach@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:395:23
setMembers@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:438:18
doMaterialize@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:1877:32
nonreactive@http://10.0.0.9/packages/deps.js?02d2ad4c6472ce004db73ba12c99864ab9acb468:397:13
doRender@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:1868:23
http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:1813:20
withCurrentView@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:2046:16
viewAutorun@http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:1812:33
_compute@http://10.0.0.9/packages/deps.js?02d2ad4c6472ce004db73ba12c99864ab9acb468:229:36
_recompute@http://10.0.0.9/packages/deps.js?02d2ad4c6472ce004db73ba12c99864ab9acb468:243:22
flush@http://10.0.0.9/packages/deps.js?02d2ad4c6472ce004db73ba12c99864ab9acb468:337:24

Chrome Debug：

Exception from Deps recompute function: Error: Failed to execute 'insertBefore' on 'Node': The node before which the new node is to be inserted is not a child of this node.
    at Error (native)
    at Function.DOMRange._insertNodeWithHooks (http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:349:12)
    at Function.DOMRange._insert (http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:318:16)
    at DOMRange.attach (http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:395:16)
    at Function.DOMRange._insert (http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:313:7)
    at DOMRange.attach (http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:395:16)
    at Function.DOMRange._insert (http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:313:7)
    at DOMRange.attach (http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:395:16)
    at DOMRange.setMembers (http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:438:12)
    at doMaterialize (http://10.0.0.9/packages/blaze.js?cf9aea283fb9b9d61971a3b466bff429f9d66d7d:1877:22) 

Answer 1

根据Chrome错误，您有一个引用了无效内容的jQuery insertBefore语句。在代码中搜索insertBefore，一次注释掉一个，直到错误消息消失。如果您的代码中没有任何insertBefore，则它正被插件或其他较低级别的代码调用。

Answer 2

我不知道是什么，但是重启meteor应用后，exception就消失了。