RS calculating the size of movie

2015-01-05 08:10:19,435 [ajp-bio-8006-exec-4] ERROR OLATRuntimeException - OLAT::ERROR ^%^ N1-E89 ^%^ org.olat.core.logging
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:32.0) Gecko/20100101 Firefox/32.0

**RedScreen**
<dispatchinfo>
	<componentinfo>
		<compname>foldercomp</compname>
		<compclass>org.olat.core.commons.modules.bc.components.FolderComponent</compclass>
		<extendedinfo>n/a</extendedinfo>
		<event>
			<class&gt;org.olat.core.gui.control.Event</class&gt;
			<command>tfiles</command>
			<tostring>com:tfiles,org.olat.core.gui.control.Event@cbc0e2a2</tostring>
		</event>
	</componentinfo>
	<controllerinfo>
		<controllername>org.olat.core.commons.modules.bc.FolderRunController</controllername>
		<controllername>org.olat.course.nodes.bc.BCCourseNodeRunController</controllername>
		<controllername>org.olat.course.run.RunMainController</controllername>
		<controllername>org.olat.course.run.CourseRuntimeController</controllername>
		<controllername>org.olat.core.commons.fullWebApp.BaseFullWebappController</controllername>
	</controllerinfo>
</dispatchinfo>

>>> stack of 1.cause::org.olat.core.logging.OLATRuntimeException: null
-> at org.olat.core.gui.exception.ExceptionWindowController.<init>(ExceptionWindowController.java:116)
   at org.olat.core.gui.exception.MsgFactory.createMessageChiefController(MsgFactory.java:57)
   at org.olat.core.gui.exception.MsgFactory.createMessageChiefController(MsgFactory.java:46)
   at org.olat.dispatcher.AuthenticatedDispatcher.execute(AuthenticatedDispatcher.java:212)
   at org.olat.core.servlets.OpenOLATServlet.executeUserRequest(OpenOLATServlet.java:269)
   at org.olat.core.servlets.OpenOLATServlet.doGet(OpenOLATServlet.java:198)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
   at org.olat.core.servlets.OpenOLATServlet.service(OpenOLATServlet.java:155)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
>>> stack of 2.cause::java.lang.AssertionError: null
-> at org.jcodec.common.Assert.assertTrue(Assert.java:7)
   at org.jcodec.codecs.h264.decode.Intra8x8PredictionBuilder.predictWithMode(Intra8x8PredictionBuilder.java:44)
   at org.jcodec.codecs.h264.decode.SliceDecoder.decodeMBlockIntraNxN(SliceDecoder.java:862)
   at org.jcodec.codecs.h264.decode.SliceDecoder.decodeMBlockIInt(SliceDecoder.java:462)
   at org.jcodec.codecs.h264.decode.SliceDecoder.decodeMBlockI(SliceDecoder.java:454)
   at org.jcodec.codecs.h264.decode.SliceDecoder.decode(SliceDecoder.java:438)
   at org.jcodec.codecs.h264.decode.SliceDecoder.decode(SliceDecoder.java:259)
   at org.jcodec.codecs.h264.H264Decoder$FrameDecoder.decodeFrame(H264Decoder.java:87)
   at org.jcodec.codecs.h264.H264Decoder.decodeFrame(H264Decoder.java:61)
   at org.jcodec.api.specific.AVCMP4Adaptor.decodeFrame(AVCMP4Adaptor.java:45)
   at org.jcodec.api.FrameGrab.decodeLeadingFrames(FrameGrab.java:190)