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i tried to compile and run the vaadin demo application but i get the following error. Did i miss something?

i downloaded the code from github https://github.com/vaadin/dashboard-demo tried with

mvn install

then deployed to Tomcatserver 7.0.47 but i keep getting the following error. 

HTTP Status 500 - com.vaadin.server.ServiceException: java.lang.ArrayIndexOutOfBoundsException: -1

type Exception report

message com.vaadin.server.ServiceException: java.lang.ArrayIndexOutOfBoundsException: -1

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: com.vaadin.server.ServiceException: java.lang.ArrayIndexOutOfBoundsException: -1 com.vaadin.server.VaadinServlet.service(VaadinServlet.java:240) javax.servlet.http.HttpServlet.service(HttpServlet.java:728) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) root cause

com.vaadin.server.ServiceException: java.lang.ArrayIndexOutOfBoundsException: -1 com.vaadin.server.VaadinService.handleExceptionDuringRequest(VaadinService.java:1440) com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1394) com.vaadin.server.VaadinServlet.service(VaadinServlet.java:238) javax.servlet.http.HttpServlet.service(HttpServlet.java:728) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) root cause

java.lang.ArrayIndexOutOfBoundsException: -1 java.util.ArrayList.elementData(ArrayList.java:400) java.util.ArrayList.get(ArrayList.java:413) com.vaadin.demo.dashboard.data.DataProvider.createTransaction(DataProvider.java:406) com.vaadin.demo.dashboard.data.DataProvider.generateTransactionsData(DataProvider.java:345) com.vaadin.demo.dashboard.data.DataProvider.(DataProvider.java:53) com.vaadin.demo.dashboard.DashboardUI.(DashboardUI.java:62) sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) java.lang.reflect.Constructor.newInstance(Constructor.java:526) java.lang.Class.newInstance(Class.java:374) com.vaadin.server.UIProvider.createInstance(UIProvider.java:36) com.vaadin.server.communication.UIInitHandler.getBrowserDetailsUI(UIInitHandler.java:200) com.vaadin.server.communication.UIInitHandler.synchronizedHandleRequest(UIInitHandler.java:73) com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:37) com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1382) com.vaadin.server.VaadinServlet.service(VaadinServlet.java:238) javax.servlet.http.HttpServlet.service(HttpServlet.java:728) org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) note The full stack trace of the root cause is available in the Apache Tomcat/7.0.47 logs.

Apache Tomcat/7.0.47

and the other error

    HTTP Status 500 - com.vaadin.server.ServiceException: java.lang.ArrayIndexOutOfBoundsException: -1

type Exception report

message com.vaadin.server.ServiceException: java.lang.ArrayIndexOutOfBoundsException: -1

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: com.vaadin.server.ServiceException: java.lang.ArrayIndexOutOfBoundsException: -1
    com.vaadin.server.VaadinServlet.service(VaadinServlet.java:240)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
root cause

com.vaadin.server.ServiceException: java.lang.ArrayIndexOutOfBoundsException: -1
    com.vaadin.server.VaadinService.handleExceptionDuringRequest(VaadinService.java:1440)
    com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1394)
    com.vaadin.server.VaadinServlet.service(VaadinServlet.java:238)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
root cause

java.lang.ArrayIndexOutOfBoundsException: -1
    java.util.ArrayList.elementData(ArrayList.java:400)
    java.util.ArrayList.get(ArrayList.java:413)
    com.vaadin.demo.dashboard.data.DataProvider.createTransaction(DataProvider.java:406)
    com.vaadin.demo.dashboard.data.DataProvider.generateTransactionsData(DataProvider.java:345)
    com.vaadin.demo.dashboard.data.DataProvider.<init>(DataProvider.java:53)
    com.vaadin.demo.dashboard.DashboardUI.<init>(DashboardUI.java:62)
    sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
    sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    java.lang.reflect.Constructor.newInstance(Constructor.java:526)
    java.lang.Class.newInstance(Class.java:374)
    com.vaadin.server.UIProvider.createInstance(UIProvider.java:36)
    com.vaadin.server.communication.UIInitHandler.getBrowserDetailsUI(UIInitHandler.java:200)
    com.vaadin.server.communication.UIInitHandler.synchronizedHandleRequest(UIInitHandler.java:73)
    com.vaadin.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:37)
    com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1382)
    com.vaadin.server.VaadinServlet.service(VaadinServlet.java:238)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.47 logs.

Apache Tomcat/7.0.47

i also tried it with eclipse it is also return the same error.

sgetachew
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1 Answers1

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It is common exception when you try run this demo. You must fix apiKey in DataProvider.class. In Dashboard example use http://developer.rottentomatoes.com API for getting list of films. Simplest way - create account in that site. It is simple and free.

Taras Klym
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