Hi all.
I was testing my web dynpro app, and it has worked very well and suddenly it let work and gives a '500 Internal Server Error'. And the error is:
Application error occurs during processing the request.
Details: java.lang.NoSuchMethodError: com.sap.engine.services.licensing.LicensingRuntimeInterface.getSystemType()Ljava/lang/String;
at com.sap.tc.webdynpro.serverimpl.wdc.admin.ProductInfo.getSystemType(ProductInfo.java:56)
at com.sap.tc.webdynpro.serverimpl.core.admin.AbstractProductInfo.isDevelopmentMode(AbstractProductInfo.java:142)
at com.sap.tc.webdynpro.services.sal.admin.api.WDProductInfo.isDevelopmentMode(WDProductInfo.java:161)
at com.sap.tc.webdynpro.clientimpl.http.client.AbstractHttpClient.writeVersionInfo(AbstractHttpClient.java:573)
at com.sap.tc.webdynpro.clientimpl.html.client.HtmlClient.sendResponse(HtmlClient.java:492)
at com.sap.tc.webdynpro.clientimpl.html.client.HtmlClient.sendResponse(HtmlClient.java:252)
at com.sap.tc.webdynpro.clientimpl.html.client.HtmlClient.retrieveData(HtmlClient.java:157)
at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleActionEvent(WebDynproMainTask.java:421)
at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:645)
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.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)
Somebody knows what hapenning? if so, i hope your help.
Thx and Regards.
Gregory