Hi,
I'm decorating one of my services in order to intercept a method call
and store the result as an ASO. Unfortunately I'm getting a NPE while
the ApplicationStateManager is trying to acquire a Session. I don't know
where exactly in the Request object this happens because the Request
object (or it's proxy?) where the NPE is occuring is created
programmatically and I don't know how to debug it properly. Can someone
tell me, how to debug those kind of objects?
Below is also the exception I'm getting, for those interested.
TIA,
Uli
java.lang.NullPointerException
at $Request_11efdba95bd.getSession($Request_11efdba95bd.java)
at $Request_11efdba9581.getSession($Request_11efdba9581.java)
at
org.apache.tapestry5.internal.services.SessionApplicationStatePersistenceStrategy.getSession(SessionApplicationStatePersistenceStrategy.java:46)
at
org.apache.tapestry5.internal.services.SessionApplicationStatePersistenceStrategy.set(SessionApplicationStatePersistenceStrategy.java:87)
at
$ApplicationStatePersistenceStrategy_11efdba9665.set($ApplicationStatePersistenceStrategy_11efdba9665.java)
at
org.apache.tapestry5.internal.services.ApplicationStateManagerImpl$ApplicationStateAdapter.set(ApplicationStateManagerImpl.java:50)
at
org.apache.tapestry5.internal.services.ApplicationStateManagerImpl.set(ApplicationStateManagerImpl.java:138)
at
$ApplicationStateManager_11efdba95d3.set($ApplicationStateManager_11efdba95d3.java)
at
de.spielviel.mailadmin.services.impl.UserDetailsDecoratorImpl$1.advise(UserDetailsDecoratorImpl.java:43)
at
org.apache.tapestry5.ioc.internal.services.AbstractInvocation.proceed(AbstractInvocation.java:121)
at
$UserDetailsService_11efdba965f.loadUserByUsername($UserDetailsService_11efdba965f.java)
at
$UserDetailsService_11efdba959c.loadUserByUsername($UserDetailsService_11efdba959c.java)
at
org.springframework.security.providers.openid.OpenIDAuthenticationProvider.authenticate(OpenIDAuthenticationProvider.java:70)
at
org.springframework.security.providers.ProviderManager.doAuthentication(ProviderManager.java:188)
at
org.springframework.security.AbstractAuthenticationManager.authenticate(AbstractAuthenticationManager.java:46)
at
$AuthenticationManager_11efdba9573.authenticate($AuthenticationManager_11efdba9573.java)
at
org.springframework.security.ui.openid.OpenIDAuthenticationProcessingFilter.attemptAuthentication(OpenIDAuthenticationProcessingFilter.java:89)
at
org.springframework.security.ui.AbstractProcessingFilter.doFilterHttp(AbstractProcessingFilter.java:258)
at
org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
at
nu.localhost.tapestry5.springsecurity.services.internal.HttpServletRequestFilterWrapper.service(HttpServletRequestFilterWrapper.java:52)
at
$HttpServletRequestFilter_11efdba9599.service($HttpServletRequestFilter_11efdba9599.java)
at
$HttpServletRequestHandler_11efdba959b.service($HttpServletRequestHandler_11efdba959b.java)
at
nu.localhost.tapestry5.springsecurity.services.internal.HttpServletRequestFilterWrapper$1.doFilter(HttpServletRequestFilterWrapper.java:56)
at
org.springframework.security.context.HttpSessionContextIntegrationFilter.doFilterHttp(HttpSessionContextIntegrationFilter.java:235)
at
org.springframework.security.ui.SpringSecurityFilter.doFilter(SpringSecurityFilter.java:53)
at
nu.localhost.tapestry5.springsecurity.services.internal.HttpServletRequestFilterWrapper.service(HttpServletRequestFilterWrapper.java:52)
at
$HttpServletRequestFilter_11efdba9592.service($HttpServletRequestFilter_11efdba9592.java)
at
$HttpServletRequestHandler_11efdba959b.service($HttpServletRequestHandler_11efdba959b.java)
at
org.apache.tapestry5.internal.services.IgnoredPathsFilter.service(IgnoredPathsFilter.java:62)
at
$HttpServletRequestFilter_11efdba9591.service($HttpServletRequestFilter_11efdba9591.java)
at
$HttpServletRequestHandler_11efdba959b.service($HttpServletRequestHandler_11efdba959b.java)
at
$HttpServletRequestHandler_11efdba9590.service($HttpServletRequestHandler_11efdba9590.java)
at org.apache.tapestry5.TapestryFilter.doFilter(TapestryFilter.java:179)
at
org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
at
org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:722)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:404)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
at org.mortbay.jetty.Server.handle(Server.java:324)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
at
org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
at
org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450)
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