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java.lang.NullPointerException at java.io.FileOutputStream.<init>(FileOutputStream.java:172) at java.io.FileOutputStream.<init>(FileOutputStream.java:131) at java.awt.Font$2.run(Font.java:606) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Font.createFont(Font.java:600) at oracle.discoverer.renderer.pdf.XDOConfig._discoverFonts(Unknown Source) at oracle.discoverer.renderer.pdf.XDOConfig.<init>(Unknown Source) at oracle.discoverer.renderer.pdf.XDOConfig.getNewInstance(Unknown Source) at oracle.discoverer.renderer.pdf.PDFGenerator.initPDF(Unknown Source) at oracle.discoverer.applications.viewer.model.ViewerApplication.init(Unknown Source) at oracle.discoverer.applications.framework.ApplicationFactory.create(Unknown Source) at oracle.discoverer.applications.framework.ApplicationController.getApplication(Unknown Source) at oracle.discoverer.applications.framework.ApplicationController.execute(Unknown Source) at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484) at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482) at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507) at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)