WDResourceNotFoundException

[Former Member]

Hi friends,

I'm trying to upload a excel file from client to server machines.

In webdynpro, I used two views ( HCFileUploadView, HCFileUploadDataView ) and one customcontroller (FileUploadCustomController).

First view contains FileUploadUI element and Retrieve button.

Second view contains Table and Cancel, Upload buttons.

Onclick of Retrieve button in first view, I need to populate the excel file data to the table in second view.

Encountered the following error while clicking on retrieve button -

-

---

com.sap.tc.webdynpro.services.sal.util.cache.WDResourceNotFoundException: Object could not be found in cache, key is null! at com.sap.tc.webdynpro.services.sal.util.cache.WebResourceCache.getResource(WebResourceCache.java:214) at com.sap.tc.webdynpro.services.sal.util.cache.WebResourceCache.getResource(WebResourceCache.java:236) at com.sap.tc.webdynpro.serverimpl.defaultimpl.datatransport.DataTransportFactory.getOutputMassDatasource(DataTransportFactory.java:99) at com.sap.tc.webdynpro.services.sal.datatransport.core.InternalMassDataTransport.getOutputMassDatasource(InternalMassDataTransport.java:45) at com.sap.tc.webdynpro.progmodel.context.ModifiableBinaryType.parse(ModifiableBinaryType.java:101) at com.sap.tc.webdynpro.clientserver.data.DataContainer.doParse(DataContainer.java:1344) at com.sap.tc.webdynpro.clientserver.data.DataContainer.validatePendingUserInput(DataContainer.java:1254) at com.sap.tc.webdynpro.clientserver.data.DataContainer.validatePendingUserInput(DataContainer.java:598) at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.validate(ClientComponent.java:623) at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.validate(ClientApplication.java:662) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.transportData(WebDynproMainTask.java:693) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:630) at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:59) at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:251) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:154) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:116) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:55) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:391) at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:265) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:345) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:323) at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:865) at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:240) at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92) at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148) at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:37) at com.sap.engine.core.cluster.impl6.session.UnorderedChannel$MessageRunner.run(UnorderedChannel.java:71) at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37) at java.security.AccessController.doPrivileged(Native Method) at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:94) at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:162) -

---

Please help me..

Regards

Vijay.

[Former Member · Accepted solution]

hi!

check these threads also to get some idea.

/thread/169215 [original link is broken]

thanks

vishal

[siddharth_jain]

Hi,

Check the following Links:

Regards,

Siddharth

[Former Member]

Hi Siddhu,

Thanks for the links.

Regards,

Vijay.