WDResourceNotFoundException

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.

hi!
check these threads also to get some idea.
Max. number of users on portal
/thread/169215 [original link is broken]
thanks
vishal

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500 internal server error while submitting a pdf form

HI,
we have implemented SAP portal in our lanscape. few users are getting 500 internal server error.
The root cause is showing as com.sap.tc.webdynpro.services.sal.util.cache.WDResourceNot FoundException:cant write binary content
Can anyone provide any solution for this?
thanks in advance.

hi,
the user is getting the following error.
can you please give me any suggestions for solving this issue.
thanks in advance
500 Internal Server Error
Web Dynpro Container/SAP J2EE Engine/6.40
Failed to process request. Please contact your system administrator.
[Hide]
Error Summary
While processing the current request, an exception occured which could not be handled by the application or the framework.
If the information contained on this page doesn't help you to find and correct the cause of the problem, please contact your system administrator. To facilitate analysis of the problem, keep a copy
of this error page. Hint: Most browsers allow to select all content, copy it and then paste it into an empty document (e.g. email or simple text file).
Root Cause
The initial exception that caused the request to fail, was:
com.sap.tc.webdynpro.services.sal.util.cache.WDResourceNotFoundException: Cant write binary content!
at com.sap.tc.webdynpro.services.sal.util.cache.ResourcePool$FiledResourcePoolElement.writeTo(ResourcePool.java:813)
at com.sap.tc.webdynpro.serverimpl.core.datatransport.AbstractMassDatasource.getBytes(AbstractMassDatasource.java:97)
at com.sap.tc.webdynpro.clientimpl.html.uielements.uradapter.InteractiveFormAdapter.doSetAttribute(InteractiveFormAdapter.java:141)
at com.sap.tc.webdynpro.clientimpl.html.uielib.activecomp.uradapter.AbstractActiveComponentAdapter.onACFSETATTRIBUTE(AbstractActiveComponentAdapter.java:450)
at sun.reflect.GeneratedMethodAccessor382.invoke(Unknown Source)
... 26 more
See full exception chain for details.
System Environment
Client
Web Dynpro Client Type HTML Client
User agent Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; Amgen.v1b; .NET CLR 1.1.4322)
Version
DOM version
Client Type msie6
Client Type Profile ie6
ActiveX enabled
Cookies enabled
Frames enabled
Java Applets enabled
JavaScript enabled
Tables enabled
VB Script enabled
Server
Web Dynpro Runtime Vendor: SAP, Build ID: 6.4015.00.0000.20051123162612.0000 (release=630_VAL_REL, buildtime=2005-12-14:21:51:22[UTC], changelist=377533, host=PWDFM026)
J2EE Engine 6.40 patchlevel 100627.313
Java VM Java HotSpot(TM) 64-Bit Server VM, version:1.4.2_12-b03, vendor: Sun Microsystems Inc.
Operating system Windows 2003, version: 5.2, architecture: amd64
Other
Session Locale ja
Time of Failure Fri Jan 12 04:18:29 GMT 2007 (Java Time: 1168575509171)
Web Dynpro Code Generation Infos
sap.com/pcui_gp~isr
SapDictionaryGenerationCore 6.4013.00.0000.20050606171348.0000 (release=630_VAL_REL, buildtime=2005-07-04:20:02:08[UTC], changelist=351717, host=PWDFM026.wdf.sap.corp)
SapDictionaryGenerationTemplates 6.4013.00.0000.20050606171348.0000 (release=630_VAL_REL, buildtime=2005-07-04:20:02:19[UTC], changelist=351717, host=PWDFM026.wdf.sap.corp)
SapGenerationFrameworkCore 6.4011.00.0000.20041104124957.0000 (release=630_VAL_COR, buildtime=2005-02-16:02:02:27[UTC], changelist=298356, host=PWDFM026.wdf.sap.corp)
SapIdeWebDynproCheckLayer 6.4013.00.0000.20050606172055.0000 (release=630_VAL_REL, buildtime=2005-07-04:20:08:32[UTC], changelist=351729, host=PWDFM026.wdf.sap.corp)
SapMetamodelCommon 6.4013.00.0000.20050606171700.0000 (release=630_VAL_REL, buildtime=2005-07-04:19:56:31[UTC], changelist=351724, host=PWDFM026.wdf.sap.corp)
SapMetamodelCore 6.4013.00.0000.20050606171700.0000 (release=630_VAL_REL, buildtime=2005-07-04:19:56:22[UTC], changelist=351724, host=PWDFM026.wdf.sap.corp)
SapMetamodelDictionary 6.4013.00.0000.20050606171352.0000 (release=630_VAL_REL, buildtime=2005-07-04:19:59:38[UTC], changelist=351719, host=PWDFM026.wdf.sap.corp)
SapMetamodelWebDynpro 6.4013.00.0000.20050609113138.0000 (release=630_VAL_REL, buildtime=2005-07-04:20:05:19[UTC], changelist=352442, host=PWDFM026.wdf.sap.corp)
SapWebDynproGenerationCTemplates 6.4013.00.0000.20050628104636.0000 (release=630_VAL_REL, buildtime=2005-07-04:20:19:30[UTC], changelist=356134, host=PWDFM026)
SapWebDynproGenerationCore 6.4013.00.0000.20050606172055.0000 (release=630_VAL_REL, buildtime=2005-07-04:20:09:01[UTC], changelist=351729, host=PWDFM026.wdf.sap.corp)
SapWebDynproGenerationTemplates 6.4013.00.0000.20050628104636.0000 (release=630_VAL_REL, buildtime=2005-07-04:20:19:30[UTC], changelist=356134, host=PWDFM026)
sap.com/pcui_gp~xssutils
SapDictionaryGenerationCore 6.4013.00.0000.20050606171348.0000 (release=630_VAL_REL, buildtime=2005-07-04:20:02:08[UTC], changelist=351717, host=PWDFM026.wdf.sap.corp)
SapDictionaryGenerationTemplates 6.4013.00.0000.20050606171348.0000 (release=630_VAL_REL, buildtime=2005-07-04:20:02:19[UTC], changelist=351717, host=PWDFM026.wdf.sap.corp)
Detailed Error Information
Detailed Exception Chain
com.sap.tc.webdynpro.services.exceptions.WDRuntimeException
at com.sap.tc.webdynpro.clientimpl.html.client.HtmlClient.handleUIElementEvent(HtmlClient.java:853)
at com.sap.tc.webdynpro.clientimpl.html.client.HtmlClient.updateEventQueue(HtmlClient.java:740)
at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.initEvents(AbstractClient.java:131)
at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.prepareTasks(AbstractClient.java:99)
at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:247)
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:390)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)
at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)
at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)
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:33)
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
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:100)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.GeneratedMethodAccessor382.invoke(Unknown Source)

Error with FileUpload UI Element

Hi,
    I am trying to develop an application that using which one can upload a file.When I click on the upload button I get the following error:
    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:112) at com.sap.tc.webdynpro.services.sal.datatransport.core.InternalMassDataTransport.getOutputMassDatasource(InternalMassDataTransport.java:44) at com.sap.tc.webdynpro.progmodel.context.ModifiableBinaryType.parse(ModifiableBinaryType.java:101) at com.sap.tc.webdynpro.clientserver.data.DataContainer.doParse(DataContainer.java:1349) at com.sap.tc.webdynpro.clientserver.data.DataContainer.validatePendingUserInput(DataContainer.java:1259) at com.sap.tc.webdynpro.clientserver.data.DataContainer.validatePendingUserInput(DataContainer.java:600) at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.validate(ClientComponent.java:623) at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.validate(ClientApplication.java:659) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.transportData(WebDynproMainTask.java:688) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:625) at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:59) at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:249) 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:385) at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:263) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:340) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:318) at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:821) at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:239) at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92) at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:147) 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 in resolving this.
Thnx,
Pravesh Puria.

Hi,
    I have declared a component controller context node : File (cardinality 0:n)
    In the init method I create an element and bind that to the node.
    //@@begin wdDoInit()
    IPublicFileUploadDownload_comp.IFileElement ele = wdContext.createFileElement();
    wdContext.nodeFile().bind(ele);
     IWDAttributeInfo attrinfo = wdContext.nodeFile().getNodeInfo().getAttribute(IPublicFileUploadDownload_comp.IFileElement.FILECONTENT);
            attrinfo.getModifiableSimpleType();
    //@@end
   Then when the upload button is clicked then I call a method of the component controller :
   /@@begin uploadfile()
         IWDAttributeInfo attrinfo = wdContext.nodeFile().getNodeInfo().getAttribute(IPublicFileUploadDownload_comp.IFileElement.FILECONTENT);
          IWDModifiableBinaryType binarymod =       (IWDModifiableBinaryType)attrinfo.getModifiableSimpleType();
          IPublicFileUploadDownload_comp.IFileElement ele = wdContext.currentFileElement();
          if(ele.getFilecontent() != null)
          //     String mimetype = binarymod.getMimeType().toString();
               ele.setFileextension(binarymod.getMimeType().getFileExtension());
    //@@end
   On deploying I browse and select a file and then click on the button Upload , then I get that message.
Message was edited by: Pravesh Puria
        Pravesh Puria

File Upload Error

Hello,
I'm trying to implement a simple file upload in Web Dynpro and I get the following error upon a web dynpro action after I select a file. Does anyone know what this error means?
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:207) at com.sap.tc.webdynpro.services.sal.util.cache.WebResourceCache.getResource(WebResourceCache.java:229) at com.sap.tc.webdynpro.serverimpl.defaultimpl.datatransport.DataTransportFactory.getOutputMassDatasource(DataTransportFactory.java:78) at com.sap.tc.webdynpro.services.sal.datatransport.core.InternalMassDataTransport.getOutputMassDatasource(InternalMassDataTransport.java:41) at com.sap.tc.webdynpro.progmodel.context.ModifiableBinaryType.parse(ModifiableBinaryType.java:101) at com.sap.tc.webdynpro.clientserver.data.DataContainer.doParse(DataContainer.java:1346) at com.sap.tc.webdynpro.clientserver.data.DataContainer.validatePendingUserInput(DataContainer.java:1256) 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:674) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.transportData(WebDynproMainTask.java:649) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:581) at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:57) at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:251) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:139) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:101) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:45) 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:385) at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:263) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:337) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:315) at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:815) at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:238) at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92) at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:147) 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:151)

[... issue resolved...,
see File Upload Problem;
Message was edited by: Holger Assenmacher

WD FileUpload api ...

Is there some WD FileUpload api example code to try?
Im trying to use the File upload in a WD project but i get "com.sap.tc.webdynpro.services.sal.util.cache.WDResourceNotFoundException: Object could not be found in cache, key is null"
I apply all the advises written here in the forum, but I still have the same error.
my problem is, I have to receive two binary files.
so I have two fileUpload components (named fileCert an fileKey)
I have in the custom controller context two nodes (one for each file) with two value atributes (certFile.fileData binary and certFile.fileName String,
keyFile.fileData and keyFile.FileName)
both nodes have 1..n cardinality and 1..n Selection in the node properties
I mapped this nodes to the context of the view and bind them to the data property of the FileUpload UI element
in the action of the button submit i have this code:
wdThis.wdGetNDISAdminCustController().EncodeFileData();
in the wdInit of the custom controller i have:
    ICertFileElement certElement = wdContext.createCertFileElement();
    wdContext.nodeCertFile().bind(certElement);
     IWDAttributeInfo CattInfo = certElement.node().getNodeInfo().getAttribute("fileData");
     IWDModifiableBinaryType CbinaryType = (IWDModifiableBinaryType) CattInfo.getModifiableSimpleType();
     CbinaryType.setFileName("d:
temp
TestCert.cer");
and the same thing for the keyData attribute:
in the encodeFileData method i have
     BASE64Encoder enc64 = new BASE64Encoder();
     byte[] bCert = wdThis.wdGetContext().currentCertFileElement().getFileData();
     byte[] bKey = wdThis.wdGetContext().currentCertFileElement().getFileData();
     String sCert =      enc64.encode(bCert);
     String sKey =      enc64.encode(bKey);
BUT THAT CODE IS NOT EXECUTED cause i get the error just after the submit click and before the execution of the SubmitConfig action linked to the on action property of the button.

Yes, I solve that problem, the problem was the context variable had to be created and binded before it were used, the code was:
IInvoiceImgFileElement invImgFile = wdContext.createInvoiceImgFileElement();
wdContext.nodeInvoiceImgFile().bind(invImgFile);
thnks

WDResourceNotFoundException

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