Once I login to the Jetspeed homepage and browse to Admin -> Jetspeed
Content it throws a Horrible Exception. The error output is...
Horrible Exception: java.lang.NullPointerException
at
org.apache.turbine.services.template.TurbineTemplateService.getCachedName(Tu
rbineTemplateService.java:548)
at
org.apache.turbine.services.template.TurbineTemplateService.getScreenTemplat
eName(TurbineTemplateService.java:412)
at
org.apache.turbine.services.template.TurbineTemplate.getScreenTemplateName(T
urbineTemplate.java:92)
at
org.apache.turbine.modules.screens.VelocityScreen.buildTemplate(VelocityScre
en.java:129)
at
org.apache.turbine.modules.screens.TemplateScreen.doBuild(TemplateScreen.jav
a:130)
at org.apache.turbine.modules.Screen.build(Screen.java:99)
at
org.apache.turbine.modules.ScreenLoader.eval(ScreenLoader.java:129)
at
org.apache.turbine.modules.layouts.VelocityOnlyLayout.doBuild(VelocityOnlyLa
yout.java:98)
at org.apache.turbine.modules.Layout.build(Layout.java:91)
at
org.apache.turbine.modules.LayoutLoader.exec(LayoutLoader.java:123)
at
org.apache.turbine.modules.pages.DefaultPage.doBuild(DefaultPage.java:166)
at org.apache.turbine.modules.Page.build(Page.java:90)
at org.apache.turbine.modules.PageLoader.exec(PageLoader.java:123)
at org.apache.turbine.Turbine.doGet(Turbine.java:447)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:405)
at org.apache.tomcat.core.Handler.service(Handler.java:287)
at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:81
2)
at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:758)
at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:213)
at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:501)
at java.lang.Thread.run(Thread.java:484)
I'm not too sure what the error actually means other than I'm assuning that
there is nothing in this directory?? Or is there something I haven't
configured properly? Also, I followed the 'How to Write a Portlet' doc but
I'm still unsure of how to compile and configure it into Jetspeed. Any
advice on where to look or how to do this?
I'm just trying to understand Jetspeed now that I have it installed and can
login. If anyone knows of any links about documentation regarding
understanding and developing in Jetspeed from this point on, could you let
me know of them?
All help is great appreciated!!
Thanks,
Bob.
