Polymer 聚合物不'；如果安装了Bower，则无法工作

编辑：它现在可以工作了，我刚刚重新安装了聚合物。我无法发现我以前做错了什么。 --

我正在用其中一个进行测试

当Polymer in installed with Bower layout不起作用时，控制台日志将显示在消息的末尾。（在这种情况下，组件放置在/Bower_components文件夹中）

但当我只是从给定的粘贴/组件文件夹中复制（并将布局中的链接指向该文件夹）时，一切正常

我遗漏了什么，所以Bower的安装无法工作

以下是控制台日志：

---

运行

bower install

时，所有内容都安装成功了吗？

XHR finished loading: GET "chrome-extension://mgijmajocgfcbeboacabfgobmjgjcoja/content.min.css". content.min.js:1
XHR finished loading: GET "http://somehost/sites/test/polymer-tutorial-layout/bower_components/core-toolbar/core-toolbar.css". loader.js:87
XHR finished loading: GET "http://somehost/sites/test/polymer-tutorial-layout/bower_components/core-header-panel/core-header-panel.css". loader.js:87
XHR finished loading: GET "http://somehost/sites/test/polymer-tutorial-layout/bower_components/core-drawer-panel/core-drawer-panel.css". loader.js:87
XHR finished loading: GET "http://somehost/sites/test/polymer-tutorial-layout/bower_components/core-icon-button/core-icon-button.css". loader.js:87
Exception caught during observer callback: TypeError: undefined is not a function
    at core-menu.Polymer.addListener (http://somehost/sites/test/polymer-tutorial-layout/bower_components/core-selector/core-selector.html:273:17)
    at core-menu.Polymer.targetChanged (http://somehost/sites/test/polymer-tutorial-layout/bower_components/core-selector/core-selector.html:266:16)
    at core-menu.g.invokeMethod (http://somehost/sites/test/polymer-tutorial-layout/bower_components/polymer/polymer.js:12:12916)
    at core-menu.g.notifyPropertyChanges (http://somehost/sites/test/polymer-tutorial-layout/bower_components/polymer/polymer.js:12:11202)
    at Object.Observer.report_ (http://somehost/sites/test/polymer-tutorial-layout/bower_components/platform/platform.js:12:12814)
    at Object.createObject.check_ (http://somehost/sites/test/polymer-tutorial-layout/bower_components/platform/platform.js:12:18305)
    at c (http://somehost/sites/test/polymer-tutorial-layout/bower_components/platform/platform.js:12:5610) observe.js:769
Exception caught during observer callback: TypeError: undefined is not a function
    at core-selector.Polymer.addListener (http://somehost/sites/test/polymer-tutorial-layout/bower_components/core-selector/core-selector.html:273:17)
    at core-selector.Polymer.targetChanged (http://somehost/sites/test/polymer-tutorial-layout/bower_components/core-selector/core-selector.html:266:16)
    at core-selector.g.invokeMethod (http://somehost/sites/test/polymer-tutorial-layout/bower_components/polymer/polymer.js:12:12916)
    at core-selector.g.notifyPropertyChanges (http://somehost/sites/test/polymer-tutorial-layout/bower_components/polymer/polymer.js:12:11202)
    at Object.Observer.report_ (http://somehost/sites/test/polymer-tutorial-layout/bower_components/platform/platform.js:12:12814)
    at Object.createObject.check_ (http://somehost/sites/test/polymer-tutorial-layout/bower_components/platform/platform.js:12:18305)
    at c (http://somehost/sites/test/polymer-tutorial-layout/bower_components/platform/platform.js:12:5610)