Cannot export PDF under JRockit JDK

Exception:

Export Page - 2004 Monthly Summary
The following error(s) occurred:
com.atlassian.confluence.importexport.ImportExportException: org.apache.velocity.exception.MethodInvocationException: Invocation of method 'exportWikiToXslFo' in class com.atlassian.confluence.importexport.impl.WikiExporter threw exception class com.atlassian.confluence.renderer.WikiRenderException : Error while generating XSL-FO for 'MM:2004 Monthly Summary'! at com.atlassian.confluence.importexport.impl.PdfExporter.generateXslFo(Lcom.atlassian.confluence.core.ConfluenceEntityObject;Ljava.lang.String;)V(PdfExporter.java:207) at com.atlassian.confluence.importexport.impl.PdfExporter.doExportEntity(Lcom.atlassian.confluence.core.ConfluenceEntityObject;Ljava.lang.String;)V(PdfExporter.java:139) at com.atlassian.confluence.importexport.impl.AbstractRendererExporterImpl.exportPage(Lcom.atlassian.confluence.pages.Page;Ljava.lang.String;)V(AbstractRendererExporterImpl.java:118) at com.atlassian.confluence.importexport.impl.AbstractRendererExporterImpl.doExport()Ljava.lang.String;(AbstractRendererExporterImpl.java:84) at com.atlassian.confluence.importexport.impl.PdfExporter.doExport()Ljava.lang.String;(PdfExporter.java:82) at com.atlassian.confluence.importexport.DefaultImportExportManager.exportAs(Ljava.lang.Object;Lcom.atlassian.confluence.importexport.ExportContext;)Ljava.lang.String;(DefaultImportExportManager.java:84) at COM.jrockit.reflect.NativeMethodInvoker.invoke0(ILjava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Native Method) at COM.jrockit.reflect.NativeMethodInvoker.invoke(Ljava.lang.Object;[Ljava.lang.Object;)Ljava.lang.Object;(Unknown Source) at