【报Bug】createMapContext在微信开发者工具中报错

分类：uni-app

bug反馈

产品分类： uniapp/小程序/微信

PC开发环境操作系统： Windows

PC开发环境操作系统版本号： win10

HBuilderX类型：正式

HBuilderX版本号： 2.8.11

第三方开发者工具版本号： 1.03.2008270

基础库版本号：不知道哪里看1.0.0

项目创建方式： HBuilderX

操作步骤：

就在页面中使用地图控件，并调用uni.createMapContext

预期结果：

在模拟器中也能正常使用

实际结果：

报错

bug描述：

代码里调用uni.createMapContext，跑起来后，在微信开发者工具中，这行报错，但是预览通过手机打开是正常的。
报错内容：
2VM686:1 [Vue warn]: Property or method "toJSON" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components, by initializing the property. See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.

(found in pages/homePage/homePage.vue)
console.error @ VM686:1
warn @ vendor.js:2429
warnNonPresent @ vendor.js:3831
get @ vendor.js:3886
sync @ VM16 asdebug.js:1
u @ VM16 asdebug.js:1
value @ instanceframe?s=1600143366555:1
initMap @ homePage.js:348
onLoad @ homePage.js:250
invokeWithErrorHandling @ vendor.js:3674
Vue.call_hook @ vendor.js:7675
_vue.default.call_hook @ vendor.js:1519
pageOptions.methods.onLoad @ vendor.js:1698
(anonymous) @ VM691 WAService.js:2
p.callPageLifeTime @ VM691 WAService.js:2
Dt @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
Mt @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
i.emit @ VM691 WAService.js:2
emit @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
i.emit @ VM691 WAService.js:2
emit @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
i @ VM16 asdebug.js:1
c @ VM16 asdebug.js:1
(anonymous) @ VM16 asdebug.js:1
p @ VM16 asdebug.js:1
g @ VM16 asdebug.js:1
(anonymous) @ VM16 asdebug.js:1
_ws.onmessage @ VM16 asdebug.js:1
Show 4 more frames
VM686:1 [Vue warn]: Error in onLoad hook: "TypeError: Converting circular structure to JSON
--> starting at object with constructor 'Object'
--- property '_renderProxy' closes the circle"

(found in pages/homePage/homePage.vue)
console.error @ VM686:1
warn @ vendor.js:2429
Vue.config.errorHandler @ vendor.js:7618
globalHandleError @ vendor.js:3690
handleError @ vendor.js:3659
invokeWithErrorHandling @ vendor.js:3682
Vue.call_hook @ vendor.js:7675
_vue.default.call_hook @ vendor.js:1519
pageOptions.methods.onLoad @ vendor.js:1698
(anonymous) @ VM691 WAService.js:2
p.callPageLifeTime @ VM691 WAService.js:2
Dt @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
Mt @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
i.emit @ VM691 WAService.js:2
emit @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
i.emit @ VM691 WAService.js:2
emit @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
(anonymous) @ VM691 WAService.js:2
i @ VM16 asdebug.js:1
c @ VM16 asdebug.js:1
(anonymous) @ VM16 asdebug.js:1
p @ VM16 asdebug.js:1
g @ VM16 asdebug.js:1
(anonymous) @ VM16 asdebug.js:1
_ws.onmessage @ VM16 asdebug.js:1
VM686:1 TypeError: Converting circular structure to JSON
--> starting at object with constructor 'Object'
--- property '_renderProxy' closes the circle
at JSON.stringify (<anonymous>)
at Object.sync (VM16 asdebug.js:1)
at Object.u [as beforeinvoke] (VM16 asdebug.js:1)
at Proxy.value (instanceframe?s=1600143366555:1)
at VueComponent.initMap (VM110 homePage.js:402)
at VueComponent.onLoad (VM110 homePage.js:304)
at invokeWithErrorHandling (VM130 vendor.js:3498)
at VueComponent.Vue.call_hook (VM130 vendor.js:7127)
at VueComponent._vue.default.call_hook (VM130 vendor.js:1526)
at Ze.pageOptions.methods.onLoad (VM130 vendor.js:1701)