java.lang.InternalError: jzentry == 0

Hi all Sap Gurus!!

u00A0u00A0u00A0u00A0u00A0u00A0I try to develop my first Webdynpro, but when i run it the explorer show me this error

An error has occurred:

"Failed to process the request."

Please contact your system administrator.

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Hide details

Web Dynpro product information:

Product: null, Vendor: SAP AG, Version: null, Build ID: 6.30.20030701160227.0000, Build Date: Mon Jan 26 18:07:45 CET 2004

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Error stacktrace:

java.lang.InternalError: jzentry == 0,

jzfile = 260927568,

total = 517,

name = E:\usr\sap\C11\JC00\j2ee\cluster\server0\apps\sap.com\tc_wdcorecomp\webdynpro\public\lib\_webdynpro_admin_tools.jar,

i = 189,

message = Internal Error

at java.util.zip.ZipFile$2.nextElement(ZipFile.java:304)

at java.util.jar.JarFile$1.nextElement(JarFile.java:193)

at com.sap.engine.boot.JarFilter.(JarFilter.java:40)

at com.sap.engine.frame.core.load.res.JarResource.openJar(JarResource.java:396)

at com.sap.engine.frame.core.load.res.JarResource.getClassInfo(JarResource.java:129)

at com.sap.engine.frame.core.load.res.MultipleResource.getClassInfo(MultipleResource.java:55)

at com.sap.engine.services.deploy.server.ApplicationLoader.loadLocalClass(ApplicationLoader.java:66)

at com.sap.engine.frame.core.load.ReferencedLoader.loadRefClass(ReferencedLoader.java:404)

at com.sap.engine.core.classload.impl0.LoaderInfo.loadClassByReference(LoaderInfo.java:35)

at com.sap.engine.frame.core.load.ReferencedLoader.loadClassByReference(ReferencedLoader.java:255)

at com.sap.engine.frame.core.load.ResourceLoader.loadClass(ResourceLoader.java:136)

at com.sap.engine.frame.core.load.ReferencedLoader.loadClass(ReferencedLoader.java:301)

at java.util.ResourceBundle.loadBundle(ResourceBundle.java:905)

at java.util.ResourceBundle.findBundle(ResourceBundle.java:786)

at java.util.ResourceBundle.getBundleImpl(ResourceBundle.java:616)

at java.util.ResourceBundle.getBundle(ResourceBundle.java:570)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.localization.ResourceHandler.initResourceBundle(ResourceHandler.java:475)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.localization.ResourceHandler.loadResourceBundle(ResourceHandler.java:180)

at com.sap.tc.webdynpro.progmodel.controller.Component.createResourceHandler(Component.java:674)

at com.sap.tc.webdynpro.progmodel.controller.Component.(Component.java:547)

at com.sap.tc.webdynpro.progmodel.generation.DelegatingComponent.(DelegatingComponent.java:35)

at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.(ClientComponent.java:691)

at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.(ClientComponent.java:627)

at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.(ClientApplication.java:141)

at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.createApplication(ClientApplication.java:128)

at com.sap.tc.webdynpro.clientserver.task.Task.createApplication(Task.java:165)

at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:458)

at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:48)

at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:205)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:114)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:80)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doGet(DispatcherServlet.java:36)

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.runSerlvet(HttpHandlerImpl.java:262)

at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:92)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:300)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:279)

at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:626)

at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:199)

at com.sap.engine.services.httpserver.server.Client.handle(Client.java:90)

at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:163)

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:60)

at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:56)

at java.security.AccessController.doPrivileged(Native Method)

at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:82)

at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:139)

Thx in advance..