After the manual deployment of the webservice example the activiti explorer webapp crashes. See stack trace below:
Aug 29, 2011 10:05:17 AM com.vaadin.Application terminalError
SEVERE: Terminal error:
java.lang.NullPointerException
at org.activiti.explorer.data.LazyLoadingContainer.getContainerProperty(
LazyLoadingContainer.java:87)
at com.vaadin.ui.AbstractSelect.getContainerProperty(AbstractSelect.java
:745)
at com.vaadin.ui.Table.refreshRenderedCells(Table.java:1550)
at com.vaadin.ui.Table.getVisibleCells(Table.java:2772)
at com.vaadin.ui.Table.paintContent(Table.java:2349)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:755)
at com.vaadin.ui.GridLayout.paintContent(GridLayout.java:543)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:755)
at com.vaadin.ui.CustomComponent.paintContent(CustomComponent.java:133)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:755)
at com.vaadin.ui.CssLayout.paintContent(CssLayout.java:187)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:755)
at com.vaadin.ui.AbstractOrderedLayout.paintContent(AbstractOrderedLayou
t.java:171)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:755)
at com.vaadin.ui.Panel.paintContent(Panel.java:255)
at com.vaadin.ui.Window.paintContent(Window.java:632)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:755)
at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.writeUidl
Responce(AbstractCommunicationManager.java:954)
at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.paintAfte
rVariableChanges(AbstractCommunicationManager.java:841)
at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.doHandleU
idlRequest(AbstractCommunicationManager.java:767)
at com.vaadin.terminal.gwt.server.CommunicationManager.handleUidlRequest
(CommunicationManager.java:296)
at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(Abs
tractApplicationServlet.java:501)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ss(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:48
9)
at java.lang.Thread.run(Thread.java:662)
