使用 Google App Engine 的通道 API 和开发服务器时出现 JavaScript 错误

发布于 2025-01-07 00:47:19 字数 1522 浏览 0 评论 0原文

我正在编写一个使用 Channel API 的 Python GAE 应用程序，除了在使用开发服务器时在 Firefox 错误控制台中收到非致命浏览器错误之外，一切正常。每个 Channel API 应用程序本质上都是相同的，因此我将展示我在示例 Channel Tac Toe 应用程序中看到的内容。

它以语法错误开始，其中显示的源代码始终只是数字“1”：

Error: syntax error
Source File: http://localhost:8080/_ah/channel/dev?command=connect&channel=channel-2053758219-1329727351-185804764220139124118185804764220139124118
Line: 1, Column: 1
Source Code:1

接下来是“格式不正确”错误（仅在 Channel Tac Toe 中）：

Error: not well-formed
Source File: http://localhost:8080/_ah/channel/dev?command=poll&channel=channel-2053758219-1329727351-185804764220139124118185804764220139124118&client=1
Line: 1, Column: 1
Source Code:{"winner": null, "userX": "185804764220139124118", "moveX": true, "winningBoard": null, "board": "         ", "userO": ""}

然后我得到一系列无休止的“未找到元素” ”错误，大约每秒三个：

Error: no element found
Source File: http://localhost:8080/_ah/channel/dev?command=poll&channel=channel-2053758219-1329727351-185804764220139124118185804764220139124118&client=1
Line: 1

在此之后，Channel Tac Toe 表现得很糟糕（双方都想成为 X 玩家），尽管我的实际应用程序运行没有问题。

请注意，因为这些都是 JavaScript 错误，所以没有堆栈跟踪。

(a) 是什么导致了这些问题？尽管我的应用程序可以运行，但这些错误降低了我的信心。

(b) 无休止的“找不到元素”消息是一个真正的问题，因为它们使得很难看到其他 JavaScript 错误。

我遇到过关于同一问题的另一份报告，但以下内容是：起来没有帮助。

我的配置：Windows 7、Firefox 10.0.2（禁用附加组件）、GAE 1.6.2

原文

I'm writing a Python GAE app that uses the Channel API, and everything works fine except that I get non-fatal browser errors in the Firefox error console when using the development server. It's essentially the same with every Channel API application, so I'll show what I see with the sample Channel Tac Toe app.

It starts with a syntax error, where the source code shown is always just the digit "1":

Error: syntax error
Source File: http://localhost:8080/_ah/channel/dev?command=connect&channel=channel-2053758219-1329727351-185804764220139124118185804764220139124118
Line: 1, Column: 1
Source Code:1

Next is a "not well-formed" error (only in Channel Tac Toe):

Error: not well-formed
Source File: http://localhost:8080/_ah/channel/dev?command=poll&channel=channel-2053758219-1329727351-185804764220139124118185804764220139124118&client=1
Line: 1, Column: 1
Source Code:{"winner": null, "userX": "185804764220139124118", "moveX": true, "winningBoard": null, "board": "         ", "userO": ""}

Then I get an endless series of "no element found" errors, about three a second:

Error: no element found
Source File: http://localhost:8080/_ah/channel/dev?command=poll&channel=channel-2053758219-1329727351-185804764220139124118185804764220139124118&client=1
Line: 1

After this, Channel Tac Toe behaves badly (both sides want to be the X player) although my actual application runs without problems.

Note that because these are all JavaScript errors there's no stack trace.

(a) What's causing these problems? Although my application runs, these errors lower my confidence.

(b) The endless series of "no element found" messages is a real problem, as they make it very difficult to see other JavaScript errors.

I have come across one other report of the same problem, but the follow-up was unhelpful.

My configuration: Windows 7, Firefox 10.0.2 (add-ons disabled), GAE 1.6.2

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