ruby-on-rails – Capybara Webkit运行时警告：类在两者中实现

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前端之家收集整理的这篇文章主要介绍了ruby-on-rails – Capybara Webkit运行时警告：类在两者中实现，前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。
当我运行rspec时,我从webkit中得到了一些警告.我正在使用capybara-webkit和从brew安装的qt.我当然希望解决这些问题.谢谢你的帮助.

警告如：“两者都实施”

objc[97388]: Class WebCoreMovieObserver is implemented in both /usr/local/Cellar/qt/4.8.0/lib/QtWebKit.framework/Versions/4/QtWebKit and /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/Versions/A/WebCore. One of the two will be used. Which one is undefined.
objc[97388]: Class WebCoreSharedBufferData is implemented in both /usr/local/Cellar/qt/4.8.0/lib/QtWebKit.framework/Versions/4/QtWebKit and /System/Library/Frameworks/WebKit.framework/Versions/A/Frameworks/WebCore.framework/Versions/A/WebCore. One of the two will be used. Which one is undefined.
objc[97388]: Class WebVideoFullscreenWindow is implemented in both /usr/local/Cellar/qt/4.8.0/lib/QtWebKit.framework/Versions/4/QtWebKit and /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit. One of the two will be used. Which one is undefined.
objc[97388]: Class WebVideoFullscreenController is implemented in both /usr/local/Cellar/qt/4.8.0/lib/QtWebKit.framework/Versions/4/QtWebKit and /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit. One of the two will be used. Which one is undefined.
objc[97388]: Class WebVideoFullscreenHUDWindowController is implemented in both /usr/local/Cellar/qt/4.8.0/lib/QtWebKit.framework/Versions/4/QtWebKit and /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit. One of the two will be used. Which one is undefined.
objc[97388]: Class WebVideoFullscreenHUDWindow is implemented in both /usr/local/Cellar/qt/4.8.0/lib/QtWebKit.framework/Versions/4/QtWebKit and /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit. One of the two will be used. Which one is undefined.
objc[97388]: Class WebWindowFadeAnimation is implemented in both /usr/local/Cellar/qt/4.8.0/lib/QtWebKit.framework/Versions/4/QtWebKit and /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit. One of the two will be used. Which one is undefined.
objc[97388]: Class WebWindowScaleAnimation is implemented in both /usr/local/Cellar/qt/4.8.0/lib/QtWebKit.framework/Versions/4/QtWebKit and /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit. One of the two will be used. Which one is undefined.

编辑：我只对涉及从brew安装的qt的答案感兴趣.谢谢.

解决方法

我建议下载并使用预构建的Qt库版本.

我试图使用MacPorts构建并遇到困难. Qt网站有预建的二进制文件.在我的情况下,它工作正常.

我已经使用capybara-webkit和预先构建的Qt近一年,在MacOS X 10.6和10.7上没有问题

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