Internal Error Message

Hi

In my application it is showing Internal Error in a Red Box. I Could not capture Screen shot or app.log before
Now I have got the same Error i have captured the Screenshot and log file with this. Please can you say the cause of this Message and how do I handle it.

Thanks,
Dhanush Chikoti.

2017-11-28 07:50:50 ERROR Exception in com.haulmont.cuba.web.toolkit.ui.CubaButton: com.vaadin.server.ServerRpcManager$RpcInvocationException: Unable to invoke method click in com.vaadin.shared.ui.button.ButtonServerRpc 
    at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:160) 
    at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:119) 
    at com.vaadin.server.communication.ServerRpcHandler.handleInvocation(ServerRpcHandler.java:444) 
    at com.vaadin.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:409) 
    at com.vaadin.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:274) 
    at com.vaadin.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:90) 
    at com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:41) 
    at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1422) 
    at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:385) 
    at com.haulmont.cuba.web.sys.CubaApplicationServlet.serviceAppRequest(CubaApplicationServlet.java:290) 
    at com.haulmont.cuba.web.sys.CubaApplicationServlet.service(CubaApplicationServlet.java:197) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 
    at com.haulmont.cuba.web.sys.CubaHttpFilter.handleNotFiltered(CubaHttpFilter.java:108) 
    at com.haulmont.cuba.web.sys.CubaHttpFilter.doFilter(CubaHttpFilter.java:95) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 
    at com.haulmont.cuba.web.sys.singleapp.SingleAppWebContextLoader$SetClassLoaderFilter.doFilter(SingleAppWebContextLoader.java:170) 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) 
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:478) 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:80) 
    at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:624) 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) 
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:799) 
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) 
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:861) 
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1455) 
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) 
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) 
    at java.lang.Thread.run(Thread.java:748) 
Caused by: java.lang.reflect.InvocationTargetException 
    at sun.reflect.GeneratedMethodAccessor556.invoke(Unknown Source) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    at java.lang.reflect.Method.invoke(Method.java:498) 
    at com.vaadin.server.ServerRpcManager.applyInvocation(ServerRpcManager.java:158) 
    ... 40 more 
Caused by: com.vaadin.event.ListenerMethod$MethodException: Invocation of method buttonClick in com.haulmont.cuba.web.gui.components.WebButton$$Lambda$73/877925286 failed. 
    at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:530) 
    at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:200) 
    at com.vaadin.event.EventRouter.fireEvent(EventRouter.java:163) 
    at com.vaadin.server.AbstractClientConnector.fireEvent(AbstractClientConnector.java:1037) 
    at com.vaadin.ui.Button.fireClick(Button.java:377) 
    at com.haulmont.cuba.web.toolkit.ui.CubaButton.fireClick(CubaButton.java:54) 
    at com.vaadin.ui.Button$1.click(Button.java:54) 
    ... 44 more 
Caused by: java.lang.RuntimeException: java.lang.reflect.InvocationTargetException 
    at com.haulmont.cuba.gui.xml.DeclarativeAction.actionPerform(DeclarativeAction.java:94) 
    at com.haulmont.cuba.web.gui.components.WebButton.performAction(WebButton.java:44) 
    at com.haulmont.cuba.web.gui.components.WebButton.lambda$new$61446b05$1(WebButton.java:36) 
    at sun.reflect.GeneratedMethodAccessor415.invoke(Unknown Source) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    at java.lang.reflect.Method.invoke(Method.java:498) 
    at com.vaadin.event.ListenerMethod.receiveEvent(ListenerMethod.java:510) 
    ... 50 more 
Caused by: java.lang.reflect.InvocationTargetException 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
    at java.lang.reflect.Method.invoke(Method.java:498) 
    at com.haulmont.cuba.gui.xml.DeclarativeAction.actionPerform(DeclarativeAction.java:92) 
    ... 56 more 

image

Hi,

The only thing I can say is that the error occurs when a user clicks a button and this button invokes a method of some screen controller.
Are you sure it is the whole stack trace related to this error? I don’t see the initial cause.