Crystal Report - Error al exportar PDF en Servidor UNix

Estoy intentando generar reports desde una aplicacion java en servidor sobre sistema operativo Unix y me sale el siguiente log de errores..., error que no ocurre cuando ejecuto los mismo sobre un servidor Windows.

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ERROR|2007-04-20 10:57:19|Disk Exporter: no output file was created by an exporter
ERROR|2007-04-20 10:57:19|PdfExporter: caught Exception in PDFFormatter.finalizeFormatJob (from destination?); aborting export
java.lang.IllegalArgumentException
at com.crystaldecisions.reports.exporters.destination.disk.c.a(Unknown Source)
at com.crystaldecisions.reports.exporters.format.page.pdf.b.a(Unknown Source)
at com.crystaldecisions.reports.a.e.if(Unknown Source)
at com.crystaldecisions.reports.formatter.a.c.if(Unknown Source)
at com.crystaldecisions.reports.formatter.a.c.a(Unknown Source)
at com.businessobjects.reports.sdk.b.b.int(Unknown Source)
at com.businessobjects.reports.sdk.JRCCommunicationAdapter.request(Unknown Source)
at com.crystaldecisions.proxy.remoteagent.x.a(Unknown Source)
at com.crystaldecisions.proxy.remoteagent.q.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.dd.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.PrintOutputController.export(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.PrintOutputController.export(Unknown Source)
at com.crystaldecisions.reports.sdk.PrintOutputController.export(Unknown Source)
at com.meditel.servicios.mandat.servlets.CrystalReportServlet.doGet(Unknown Source)
at com.meditel.servicios.mandat.servlets.CrystalReportServlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1006)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:315)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6722)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
ERROR|2007-04-20 10:57:19|Failed to export report
com.crystaldecisions.reports.exporters.format.page.pdf.a.a: Unexpected exception thrown
at com.crystaldecisions.reports.exporters.format.page.pdf.b.a(Unknown Source)
at com.crystaldecisions.reports.a.e.if(Unknown Source)
at com.crystaldecisions.reports.formatter.a.c.if(Unknown Source)
at com.crystaldecisions.reports.formatter.a.c.a(Unknown Source)
at com.businessobjects.reports.sdk.b.b.int(Unknown Source)
at com.businessobjects.reports.sdk.JRCCommunicationAdapter.request(Unknown Source)
at com.crystaldecisions.proxy.remoteagent.x.a(Unknown Source)
at com.crystaldecisions.proxy.remoteagent.q.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.dd.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.PrintOutputController.export(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.PrintOutputController.export(Unknown Source)
at com.crystaldecisions.reports.sdk.PrintOutputController.export(Unknown Source)
at com.meditel.servicios.mandat.servlets.CrystalReportServlet.doGet(Unknown Source)
at com.meditel.servicios.mandat.servlets.CrystalReportServlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1006)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:315)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6722)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
Caused by: java.lang.IllegalArgumentException
at com.crystaldecisions.reports.exporters.destination.disk.c.a(Unknown Source)
... 28 more
ERROR|2007-04-20 10:57:19|JRCAgent4 detected an exception: An error occured while exporting the report
at com.businessobjects.reports.sdk.b.b.int(Unknown Source)
at com.businessobjects.reports.sdk.JRCCommunicationAdapter.request(Unknown Source)
at com.crystaldecisions.proxy.remoteagent.x.a(Unknown Source)
at com.crystaldecisions.proxy.remoteagent.q.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.dd.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.ReportSource.a(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.PrintOutputController.export(Unknown Source)
at com.crystaldecisions.sdk.occa.report.application.PrintOutputController.export(Unknown Source)
at com.crystaldecisions.reports.sdk.PrintOutputController.export(Unknown Source)
at com.meditel.servicios.mandat.servlets.CrystalReportServlet.doGet(Unknown Source)
at com.meditel.servicios.mandat.servlets.CrystalReportServlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1006)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:315)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6722)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)

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¿Alguien sabe como poder solucionar este problema? Muchas gracias de antemano.