我最近在我的 Ubuntu 14.04 上安装了 Okular。
问题是当我打开 pdf 文件时，okular 给了我错误“找不到能够处理正在传递的文档的插件”。
当我通过终端运行 Okular 时，这是我得到的消息。
admin@me:~$ okular ex01.pdf
okular(14100)/kdeui (KIconLoader): Error: standard icon theme "oxygen" not found!
okular(14100)/kdeui (KIconLoader): Error: standard icon theme "oxygen" not found!
okular(14100) KPixmapSequence::Private::loadSequence: Invalid pixmap specified.
okular(14100) KPixmapSequence::Private::loadSequence: Invalid pixmap specified.
okular(14100) KPixmapSequence::frameSize: No frame loaded
okular(14100) KPixmapSequence::Private::loadSequence: Invalid pixmap specified.
okular(14100) KPixmapSequence::frameSize: No frame loaded
okular(14100) KPixmapSequence::Private::loadSequence: Invalid pixmap specified.
okular(14100) KPixmapSequence::frameSize: No frame loaded
okular(14100) KPixmapSequence::Private::loadSequence: Invalid pixmap specified.
okular(14100) KPixmapSequence::frameSize: No frame loaded
okular(14100) KPixmapSequence::Private::loadSequence: …