I am using the java library on Tomcat and I upload the attached file and tomcat gives me the following error. NOTE: This file works fine on your online demo site.
Aug 18, 2014 10:47:35 AM com.groupdocs.viewer.b.b.a a
SEVERE: null
com.aspose.cells.CellsException: File path can't be "".
at com.aspose.cells.bgt.a(Unknown Source)
at com.aspose.cells.Workbook.a(Unknown Source)
at com.aspose.cells.Workbook.save(Unknown Source)
at com.groupdocs.viewer.b.b.a.a(CellsToPdf.java:24)
at com.groupdocs.viewer.b.b.a(DocumentToPdfHandler.java:112)
at com.groupdocs.viewer.b.b.a(DocumentToPdfHandler.java:138)
at com.groupdocs.viewer.handlers.ViewerHandler.generatePdf(ViewerHandler.java:898)
at com.groupdocs.viewer.handlers.ViewerHandler.viewDocument(ViewerHandler.java:544)
at com.groupdocs.viewer.handlers.ViewerHandler.viewDocumentHandler(ViewerHandler.java:507)
at com.groupdocs.viewer.samples.javaweb.servlet.ViewDocumentHandlerServlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:169)
at com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:232)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1070)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:611)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:744)