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Error while previewing deployed webdynpro application.

Former Member
0 Kudos

Hi,

I am a newcomer to the EP environment. After installing the server and configuring NWDS, I created a simple webdynpro application. I was able to successfully deploy it to the portal but when I try to preview it I got the following error. Please shed some light on this.

An error has occurred:

"Failed to process the request."

Please contact your system administrator.

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Hide details

Web Dynpro client:

HTML Client

Web Dynpro client capabilities:

User agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.1.4322), version: null, DOM version: null, client type: msie6, client type profile: ie6, ActiveX: enabled, Cookies: enabled, Frames: enabled, Java applets: enabled, JavaScript: enabled, Tables: enabled, VB Script: enabled

Web Dynpro runtime:

Vendor: SAP, Build ID: 6.4009.00.0000.20041104173322.0000 (release=630_REL, buildtime=2004-11-18:22:17:10[UTC], changelist=298578, host=PWDFM027)

Web Dynpro code generators of DC local/Test_WD:

SapDictionaryGenerationCore: 6.4019.00.0000.20061005103449.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:17:59[UTC], changelist=419709, host=PWDFM026.wdf.sap.corp)

SapMetamodelWebDynpro: 6.4019.00.0000.20061005104005.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:23:05[UTC], changelist=419717, host=PWDFM026.wdf.sap.corp)

SapMetamodelCore: 6.4019.00.0000.20061005103956.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:11:19[UTC], changelist=419716, host=PWDFM026.wdf.sap.corp)

SapWebDynproGenerationTemplates: 6.4019.00.0000.20061005104024.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:50:52[UTC], changelist=419718, host=PWDFM026)

SapWebDynproGenerationCTemplates: 6.4019.00.0000.20061005104024.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:50:52[UTC], changelist=419718, host=PWDFM026)

SapGenerationFrameworkCore: 6.4019.00.0000.20050818152155.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:10:28[UTC], changelist=363812, host=PWDFM026.wdf.sap.corp)

SapIdeWebDynproCheckLayer: 6.4019.00.0000.20061005104123.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:27:18[UTC], changelist=419723, host=PWDFM026.wdf.sap.corp)

SapMetamodelDictionary: 6.4019.00.0000.20060119123716.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:15:01[UTC], changelist=385561, host=PWDFM026.wdf.sap.corp)

SapMetamodelCommon: 6.4019.00.0000.20061005103956.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:11:28[UTC], changelist=419716, host=PWDFM026.wdf.sap.corp)

SapWebDynproGenerationCore: 6.4019.00.0000.20061005104123.0000 (release=630_VAL_REL, buildtime=2006-10-26:20:27:47[UTC], changelist=419723, host=PWDFM026.wdf.sap.corp)

SapDictionaryGenerationTemplates: (unknown)

Web Dynpro code generators of DC sap.com/tcwddispwda:

No information available

Web Dynpro code generators of DC sap.com/tcwdcorecomp:

No information available

J2EE Engine:

No information available

Java VM:

Java HotSpot(TM) Server VM, version: 1.4.2_05-b04, vendor: Sun Microsystems Inc.

Operating system:

Windows 2000, version: 5.0, architecture: x86

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Error stacktrace:

java.lang.NoClassDefFoundError: com/sap/tc/webdynpro/progmodel/api/IWDEventHandlerId

at java.lang.Class.getDeclaredConstructors0(Native Method)

at java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)

at java.lang.Class.getConstructors(Class.java:865)

at com.sap.tc.webdynpro.progmodel.generation.ControllerHelper.createDelegate(ControllerHelper.java:68)

at com.sap.tc.webdynpro.progmodel.generation.DelegatingInterfaceView.<init>(DelegatingInterfaceView.java:44)

at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.displayToplevelComponent(ClientComponent.java:131)

at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:374)

at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:593)

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.doGet(DispatcherServlet.java:48)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)

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)

Accepted Solutions (0)

Answers (2)

Answers (2)

Former Member
0 Kudos

Hi Krishnan,

Are you creating anything dynamically in WdDoModifyView() like IWDEventHandlerId.

Regards,

Murtuza

Former Member
0 Kudos

Hi Ganga/Murtuza

Thank you for the reply. When i rebuild the project i don't get any error and i am not anything dynamically. Its just a view with nothing in it.

It looks like some configuration error.

regards

Thanu.

Former Member
0 Kudos

Hi Krishnan,

Seems that there is a version mismatch between your NWDS and your J2ee engine. Just make it sure that you are using the same version for both.

Regards,

Murtuza

Former Member
0 Kudos

Hi Thanu,

While building DC(DC-->Build( Uncheck "Build if necessary" )), check whether any errors are pending to be fixed. If you have built properly and checked for errors, I think you should not face any issues.

Regrads,

Ganga.