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activiti explorer webapp crashes after deployment

Question asked by heppschnepp on Aug 29, 2011
Latest reply on Aug 31, 2011 by heppschnepp
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)

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