Exception sending context destroyed event to listener instance of class org.jboss.seam.example.jpa.StartupServletContextListener
urwitharup Oct 20, 2009 7:39 AMHi,
I am starting Seam using MockServlet in servlet listener and handling LifeCycle using ContextualHttpServletRequest in a servlet filter. My application deployed on Tomcat6. While shutting down Tomcat. I am getting an exception due to null ServletContext.
The sample codes are in below
[Seam startup::ServletContextListener]
MockServletContext servletContext = new MockServletContext();
ServletLifecycle.beginApplication(servletContext);
new Initialization(servletContext).create().init();
[LifeCycle Startup:: Filter]
ContextualHttpServletRequest ctx = new ContextualHttpServletRequest((HttpServletRequest) request) {
@Override
public void process() throws Exception
{
chain.doFilter(request, response);
}
};
ctx.run();
[Seam shutdown :: ServletContextListener]
ServletLifecycle.endApplication();
[The exception while shutting down the tomcat]
Oct 20, 2009 4:29:33 PM org.apache.catalina.core.StandardContext listenerStop
SEVERE: Exception sending context destroyed event to listener instance of class org.jboss.seam.example.jpa.StartupServletContextListener
java.lang.NullPointerException
at org.jboss.seam.servlet.ServletApplicationMap.keySet(ServletApplicationMap.java:65)
at org.jboss.seam.contexts.BasicContext.getNames(BasicContext.java:58)
at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:241)
at org.jboss.seam.contexts.Lifecycle.endApplication(Lifecycle.java:61)
at org.jboss.seam.contexts.ServletLifecycle.endApplication(ServletLifecycle.java:149)
at org.jboss.seam.contexts.ServletLifecycle.endApplication(ServletLifecycle.java:144)
at org.jboss.seam.example.jpa.AppStartup.shutdown(AppStartup.java:92)
at org.jboss.seam.example.jpa.StartupServletContextListener.contextDestroyed(StartupServletContextListener.java:45)
at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:3973)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4577)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
at org.apache.catalina.core.StandardService.stop(StandardService.java:584)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:744)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:633)
at org.apache.catalina.startup.Catalina.start(Catalina.java:608)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Regards
Arup
I am starting Seam using MockServlet in servlet listener and handling LifeCycle using ContextualHttpServletRequest in a servlet filter. My application deployed on Tomcat6. While shutting down Tomcat. I am getting an exception due to null ServletContext.
The sample codes are in below
[Seam startup::ServletContextListener]
MockServletContext servletContext = new MockServletContext();
ServletLifecycle.beginApplication(servletContext);
new Initialization(servletContext).create().init();
[LifeCycle Startup:: Filter]
ContextualHttpServletRequest ctx = new ContextualHttpServletRequest((HttpServletRequest) request) {
@Override
public void process() throws Exception
{
chain.doFilter(request, response);
}
};
ctx.run();
[Seam shutdown :: ServletContextListener]
ServletLifecycle.endApplication();
[The exception while shutting down the tomcat]
Oct 20, 2009 4:29:33 PM org.apache.catalina.core.StandardContext listenerStop
SEVERE: Exception sending context destroyed event to listener instance of class org.jboss.seam.example.jpa.StartupServletContextListener
java.lang.NullPointerException
at org.jboss.seam.servlet.ServletApplicationMap.keySet(ServletApplicationMap.java:65)
at org.jboss.seam.contexts.BasicContext.getNames(BasicContext.java:58)
at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:241)
at org.jboss.seam.contexts.Lifecycle.endApplication(Lifecycle.java:61)
at org.jboss.seam.contexts.ServletLifecycle.endApplication(ServletLifecycle.java:149)
at org.jboss.seam.contexts.ServletLifecycle.endApplication(ServletLifecycle.java:144)
at org.jboss.seam.example.jpa.AppStartup.shutdown(AppStartup.java:92)
at org.jboss.seam.example.jpa.StartupServletContextListener.contextDestroyed(StartupServletContextListener.java:45)
at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:3973)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4577)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098)
at org.apache.catalina.core.ContainerBase.stop(ContainerBase.java:1098)
at org.apache.catalina.core.StandardEngine.stop(StandardEngine.java:448)
at org.apache.catalina.core.StandardService.stop(StandardService.java:584)
at org.apache.catalina.core.StandardServer.stop(StandardServer.java:744)
at org.apache.catalina.startup.Catalina.stop(Catalina.java:633)
at org.apache.catalina.startup.Catalina.start(Catalina.java:608)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Regards
Arup