Exception during SWF generation java.lang.NullPointerException null java.lang.NullPointerException at org.alov.flashapi.FileTagStorage$FileTagStgItr.next(FileTagStorage.java:237) at org.alov.flashapi.FlashFile.optimize(FlashFile.java:389) at org.alov.flashapi.FlashFile.write(FlashFile.java:366) at org.alov.flash.GraphicsFlashMaker.makeFlash(GraphicsFlashMaker.java:343) at org.alov.serv.OGC_Service.getSWF(OGC_Service.java:678) at org.alov.serv.OGC_Service.processRequest(OGC_Service.java:788) at org.alov.serv.OGC_Filter.doFilter(OGC_Filter.java:585) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190) at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:291) at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:769) at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:698) at org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:891) at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690) at java.lang.Thread.run(Thread.java:679) ]]>