java - Vaadin QuickTickets 仪表板部署错误

Question

我尝试编译并运行 vaadin 演示应用程序，但出现以下错误。我错过了什么吗？

我从 github 下载代码 https://github.com/vaadin/dashboard-demo尝试过

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

和另一个错误

    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

我也用eclipse试过它也返回同样的错误。

Answer 1

当您尝试运行此演示时，这是常见的异常。您必须修复 DataProvider.class 中的 apiKey。在仪表板示例中使用 http://developer.rottentomatoes.com用于获取电影列表的 API。最简单的方法 - 在该站点创建帐户。它简单且免费。