JW Player不在kitkat版webview中工作

Question

出现以下错误代码.我记得在ver jwplayer sdk 2.4.2中工作得非常好.在jwplayer sdk更新到ver2.7.1之后.它只在kitkat中起作用.jwplayer在其他版本(5.0.6.0.7.0 android os)中工作得非常好我该怎么办？请帮帮我.

错误:

? E/dalvikvm: Could not find class 'com.longtailvideo.jwplayer.d.h', referenced from method com.longtailvideo.jwplayer.core.i.a
? E/dalvikvm: Could not find class 'com.longtailvideo.jwplayer.d.j', referenced from method com.longtailvideo.jwplayer.core.i.a
? E/dalvikvm: Could not find class 'com.longtailvideo.jwplayer.d.l', referenced from method com.longtailvideo.jwplayer.core.i.a