在向JPA Container-addon添加依赖项时，我遇到了maven的问题。问题是那会返回异常。
//archetype
mvn archetype:generate
-DarchetypeGroupId=com.vaadin
-DarchetypeArtifactId=vaadin-archetype-application
-DarchetypeVersion=7.1.12
-DgroupId=br.ind.ibg
-DartifactId=ibg_curriculuns_2
-Dversion=1.0
-Dpackaging=war
//exception
SEVERE: Servlet.service() for servlet [br.ind.ibg.MyVaadinUI$Servlet] in context with path [/ibg_curriculuns_2] threw exception [com.vaadin.server.ServiceException: java.lang.NoSuchMethodError: com.vaadin.event.EventRouter.fireEvent(Ljava/util/EventObject;Lcom/vaadin/server/ErrorHandler;)V] with root cause
java.lang.NoSuchMethodError: com.vaadin.event.EventRouter.fireEvent(Ljava/util/EventObject;Lcom/vaadin/server/ErrorHandler;)V
at com.vaadin.server.VaadinService.onVaadinSessionStarted(VaadinService.java:783)
at com.vaadin.server.VaadinService.createAndRegisterSession(VaadinService.java:740)
at com.vaadin.server.VaadinService.doFindOrCreateVaadinSession(VaadinService.java:696)
at com.vaadin.server.VaadinService.findOrCreateVaadinSession(VaadinService.java:637)
at com.vaadin.server.VaadinService.findVaadinSession(VaadinService.java:501)
at com.vaadin.server.VaadinService.handleRequest(VaadinService.java:1376)
at com.vaadin.server.VaadinServlet.service(VaadinServlet.java:238)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:501)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1040)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
有什么想法吗？