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java.lang.NullPointerException at oracle.spatial.mapserver.core.RealWorker.generateMapImage(RealWorker.java:267) at oracle.spatial.mapserver.core.RealWorker.process(RealWorker.java:95) at oracle.spatial.mapserver.MapServerImpl.renderMap(MapServerImpl.java:171) at oracle.spatial.mapserver.oms.doPost(oms.java:187) at javax.servlet.http.HttpServlet.service(HttpServlet.java:283) at javax.servlet.http.HttpServlet.service(HttpServlet.java:336) at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:59) at oracle.security.jazn.oc4j.JAZNFilter.doFilter(JAZNFilter.java:283) at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:535) at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:281) at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:766) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:152) at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:72) at EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:802) at java.lang.Thread.run(Thread.java:484)