点击视频播放，随机出现闪退

[elenin]

多次点击不同视频列表后，该异常随机出现，异常信息如下：
05-29 16:44:07.831 E/AndroidRuntime( 4294): Process: com.chaychan.news, PID: 4294
05-29 16:44:07.831 E/AndroidRuntime( 4294): java.lang.NullPointerException: Attempt to read from field 'java.util.LinkedHashMap cn.jzvd.JZDataSource.urlsMap' on a null object reference
05-29 16:44:07.831 E/AndroidRuntime( 4294): at cn.jzvd.JzvdStd.onClick(JzvdStd.java:266)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at com.chaychan.news.utils.MyJZVideoPlayerStandard.onClick(MyJZVideoPlayerStandard.java:59)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at android.view.View.performClick(View.java:7192)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at android.view.View.performClickInternal(View.java:7166)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at android.view.View.access$3500(View.java:824)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at android.view.View$PerformClick.run(View.java:27592)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at android.os.Handler.handleCallback(Handler.java:888)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at android.os.Handler.dispatchMessage(Handler.java:100)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at android.os.Looper.loop(Looper.java:213)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at android.app.ActivityThread.main(ActivityThread.java:8169)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at java.lang.reflect.Method.invoke(Native Method)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:513)
05-29 16:44:07.831 E/AndroidRuntime( 4294): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1101)