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From Romain Manni-Bucau <rmannibu...@gmail.com>
Subject Re: Intermittent @ViewScoped Bean Errors
Date Wed, 11 Jan 2017 18:01:06 GMT
we can lock "more" but this shouldn't happen too in a normal app since
session is not thread safe, do you know why you are in this case?


Romain Manni-Bucau
@rmannibucau <https://twitter.com/rmannibucau> |  Blog
<https://blog-rmannibucau.rhcloud.com> | Old Blog
<http://rmannibucau.wordpress.com> | Github <https://github.com/rmannibucau> |
LinkedIn <https://www.linkedin.com/in/rmannibucau> | JavaEE Factory
<https://javaeefactory-rmannibucau.rhcloud.com>

2017-01-11 18:50 GMT+01:00 Adam Cornett <adam.cornett@gmail.com>:

> That is what I suspect is happening, yes.
>
> On Wed, Jan 11, 2017 at 12:45 PM, Romain Manni-Bucau <
> rmannibucau@gmail.com>
> wrote:
>
> > Do you mean you have 2 threads accessing the session at the same time?
> >
> >
> > Romain Manni-Bucau
> > @rmannibucau <https://twitter.com/rmannibucau> |  Blog
> > <https://blog-rmannibucau.rhcloud.com> | Old Blog
> > <http://rmannibucau.wordpress.com> | Github <https://github.com/
> > rmannibucau> |
> > LinkedIn <https://www.linkedin.com/in/rmannibucau> | JavaEE Factory
> > <https://javaeefactory-rmannibucau.rhcloud.com>
> >
> > 2017-01-11 18:42 GMT+01:00 Adam Cornett <adam.cornett@gmail.com>:
> >
> > > I have not had much luck creating a reproducible test case, so in
> > > desperation I began reading the full diff of OWB 1.6.3 -> 1.7.0 looking
> > for
> > > any change that might have introduced this issue.
> > >
> > > I suspect that the changes made for OWB-1136 create a scenario where
> the
> > > session context is not setup correctly.  Specifically the change to
> > > the org.apache.webbeans.web.context.WebContextsService.
> > > initSessionContext(Object)
> > > method in commit 1753758.
> > >
> > > In the new version of the code, if a there is contention and a thread
> is
> > > waiting on the OWB_SESSION_CONTEXT_ATTRIBUTE_NAME lock and while
> waiting
> > > another thread creates the session inside the synchronized block then
> > this
> > > new code will perform no further actions in this method.
> > > In the previous version, this method would always
> > > call sessionContexts.set(currentSessionContext) (even if there was no
> > > active session!)
> > >
> > > I think the solution would be to add an 'else' block to the end of the
> if
> > > statement on line 478 that correctly calls the same logic in the else
> > block
> > > which starts on line 493 since it should have the same behavior in the
> > case
> > > of the session created while waiting as it would if it came in and
> found
> > > the session context already existed.
> > >
> > > The locking/ordering required to trigger this bug makes it very hard to
> > > test for and reproduce, but I think a careful study of this method
> shows
> > > that the change does introduce a situation where the session context is
> > not
> > > put into the sessionContexts ThreadLocal, thus causing the error I've
> > > reported above.
> > >
> > >
> > > On Sat, Nov 19, 2016 at 3:46 PM, Adam Cornett <adam.cornett@gmail.com>
> > > wrote:
> > >
> > > > I will see if I can get a reproduceable test project, might be a few
> > > days.
> > > >
> > > > On Nov 19, 2016 2:32 PM, "Romain Manni-Bucau" <rmannibucau@gmail.com
> >
> > > > wrote:
> > > >
> > > >> Ok, so next step is to try to reproduce it without jsf i guess. Any
> > > >> hint/help?
> > > >>
> > > >> Le 19 nov. 2016 19:54, "Adam Cornett" <adam.cornett@gmail.com> a
> > écrit
> > > :
> > > >>
> > > >> I have removed the custom error page and the issue will occur
> randomly
> > > on
> > > >> any page using a ViewScoped bean.
> > > >>
> > > >> On Nov 19, 2016 11:53 AM, "Romain Manni-Bucau" <
> rmannibucau@gmail.com
> > >
> > > >> wrote:
> > > >>
> > > >> > @Adam: can you confirm it is only for error pages (or very linked
> to
> > > >> it)?
> > > >> >
> > > >> >
> > > >> > Romain Manni-Bucau
> > > >> > @rmannibucau <https://twitter.com/rmannibucau> |  Blog
> > > >> > <https://blog-rmannibucau.rhcloud.com> | Old Blog
> > > >> > <http://rmannibucau.wordpress.com> | Github <https://github.com/
> > > >> > rmannibucau> |
> > > >> > LinkedIn <https://www.linkedin.com/in/rmannibucau> | JavaEE
> Factory
> > > >> > <https://javaeefactory-rmannibucau.rhcloud.com>
> > > >> >
> > > >> > 2016-11-18 22:31 GMT+01:00 Adam Cornett <adam.cornett@gmail.com>:
> > > >> >
> > > >> > > To cut down on the number of places to look I rolled back to
> TomEE
> > > >> 7.0.1
> > > >> > > and pulled forward specific libraries:
> > > >> > > TomEE 7.0.1 + MyFaces 2.2.11 = no @ViewScoped bug
> > > >> > > TomEE 7.0.1 + MyFaces 2.2.11 + OWB 1.7.0 = @ViewScoped bug shows
> > up.
> > > >> > >
> > > >> > > This seems to indicate that some change in OWB between 1.6.3 and
> > > 1.7.0
> > > >> > may
> > > >> > > be the culprit.
> > > >> > >
> > > >> > > On Wed, Nov 16, 2016 at 4:04 PM, Romain Manni-Bucau <
> > > >> > rmannibucau@gmail.com
> > > >> > > >
> > > >> > > wrote:
> > > >> > >
> > > >> > > > 2016-11-16 21:29 GMT+01:00 Adam Cornett <
> adam.cornett@gmail.com
> > >:
> > > >> > > >
> > > >> > > > > Just coming up with ideas here: what if the listeners being
> > > >> iterated
> > > >> > > > > through in org.apache.catalina.core.StandardContext.
> > > >> > > > > fireRequestDestroyEvent
> > > >> > > > > are the issue?  If the facesContext/request/session is torn
> > down
> > > >> > before
> > > >> > > > the
> > > >> > > > > owb listener OWB gets a chance to clean up the beans it
> could
> > be
> > > >> > > causing
> > > >> > > > a
> > > >> > > > > problem?  If the order of the iteration is not stable that
> > could
> > > >> also
> > > >> > > > > explain why the issue is intermittent.
> > > >> > > > >
> > > >> > > > > There is actually a note about this in the MyFaces source
> > > >> > > > > (org.apache.myfaces.cdi.view.ViewScopeBeanHolder.
> > > >> > > > destroyBeansOnPreDestroy)
> > > >> > > > > where they are dealing with differences between CDI
> > > >> implementations
> > > >> > and
> > > >> > > > > mention Tomcat + OWB.
> > > >> > > > >
> > > >> > > > >
> > > >> > > > OWB listener insertion is normally forced (it is a tomee
> custom
> > > one
> > > >> > BTW)
> > > >> > > so
> > > >> > > > this is stable.
> > > >> > > >
> > > >> > > >
> > > >> > > > >
> > > >> > > > > On Wed, Nov 16, 2016 at 12:09 PM, Adam Cornett <
> > > >> > adam.cornett@gmail.com
> > > >> > > >
> > > >> > > > > wrote:
> > > >> > > > >
> > > >> > > > > > Wouldn't that be easy :)
> > > >> > > > > >
> > > >> > > > > > I have not been able to reproduce this in a simple test
> > case.
> > > >> After
> > > >> > > > some
> > > >> > > > > > more testing on our app I have found that the first stack
> > > trace
> > > >> I
> > > >> > > > posted
> > > >> > > > > is
> > > >> > > > > > actually generated when trying to render our custom error
> > > page.
> > > >> > > When I
> > > >> > > > > > take the custom error page out the second error in OP
> > (posted
> > > >> again
> > > >> > > > > below)
> > > >> > > > > > is the exception causing the problem.
> > > >> > > > > >
> > > >> > > > > >
> > > >> > > > > > org.apache.webbeans.component.ManagedBean - Exception
> > thrown
> > > >> while
> > > >> > > > > > destroying bean instance : [ViewScopeBeanHolder,
> > > >> > > WebBeansType:MANAGED,
> > > >> > > > > > Name:null, API Types:[java.io.Serializable,
> > > >> > > > java.lang.Object,org.apache.
> > > >> > > > > > myfaces.cdi.view.ViewScopeBeanHolder],
> > > >> > Qualifiers:[javax.enterprise.
> > > >> > > > > > inject.Default,javax.enterprise.inject.Any]]
> > > >> > > > > > java.lang.NullPointerException: null
> > > >> > > > > > at org.apache.myfaces.cdi.view.ViewScopeContextImpl.
> > > >> > > destroyAllActive(
> > > >> > > > > > ViewScopeContextImpl.java:229)
> > > >> > > > > > at org.apache.myfaces.cdi.view.ViewScopeContextImpl.
> > > >> > > destroyAllActive(
> > > >> > > > > > ViewScopeContextImpl.java:223)
> > > >> > > > > > at org.apache.myfaces.cdi.view.ViewScopeBeanHolder.
> > > >> > > > > > destroyBeansOnPreDestroy(ViewScopeBeanHolder.java:221)
> > > >> > > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > > Method)
> > > >> > > > > > at sun.reflect.NativeMethodAccessorImpl.invoke(
> > > >> > > > > > NativeMethodAccessorImpl.java:62)
> > > >> > > > > > at sun.reflect.DelegatingMethodAccessorImpl.invoke(
> > > >> > > > > > DelegatingMethodAccessorImpl.java:43)
> > > >> > > > > > at java.lang.reflect.Method.invoke(Method.java:498)
> > > >> > > > > > at org.apache.webbeans.intercept.
> > > LifecycleInterceptorInvocation
> > > >> > > > > > Context.proceed(LifecycleInterceptorInvocation
> > > Context.java:103)
> > > >> > > > > > at org.apache.webbeans.portable.InjectionTargetImpl.
> > > preDestroy(
> > > >> > > > > > InjectionTargetImpl.java:352)
> > > >> > > > > > at org.apache.webbeans.component.AbstractOwbBean.destroy(
> > > >> > > > > > AbstractOwbBean.java:179)
> > > >> > > > > > at org.apache.webbeans.context.AbstractContext.
> > > destroyInstance(
> > > >> > > > > > AbstractContext.java:206)
> > > >> > > > > > at org.apache.webbeans.context.AbstractContext.
> > > destroyInstance(
> > > >> > > > > > AbstractContext.java:192)
> > > >> > > > > > at org.apache.webbeans.context.AbstractContext.destroy(
> > > >> > > > > > AbstractContext.java:218)
> > > >> > > > > > at org.apache.webbeans.web.context.WebContextsService.
> > > >> > > > > > destroyRequestContext(WebContextsService.java:408)
> > > >> > > > > > at org.apache.openejb.cdi.CdiAppContextsService.
> > > >> > > destroyRequestContext(
> > > >> > > > > > CdiAppContextsService.java:113)
> > > >> > > > > > at org.apache.webbeans.web.context.WebContextsService.
> > > >> > > > > > endContext(WebContextsService.java:223)
> > > >> > > > > > at org.apache.openejb.server.httpd.BeginWebBeansListener.
> > > >> > > > > requestDestroyed(
> > > >> > > > > > BeginWebBeansListener.java:99)
> > > >> > > > > > at org.apache.catalina.core.StandardContext.
> > > >> > fireRequestDestroyEvent(
> > > >> > > > > > StandardContext.java:5965)
> > > >> > > > > > at org.apache.catalina.core.StandardHostValve.invoke(
> > > >> > > > > > StandardHostValve.java:182)
> > > >> > > > > > at org.apache.catalina.valves.ErrorReportValve.invoke(
> > > >> > > > > > ErrorReportValve.java:79)
> > > >> > > > > > at org.apache.tomee.catalina.OpenEJBSecurityListener$
> > > >> > > > > > RequestCapturer.invoke(OpenEJBSecurityListener.java:97)
> > > >> > > > > > at org.apache.catalina.core.StandardEngineValve.invoke(
> > > >> > > > > > StandardEngineValve.java:87)
> > > >> > > > > > at org.apache.catalina.connector.CoyoteAdapter.service(
> > > >> > > > > > CoyoteAdapter.java:349)
> > > >> > > > > > at org.apache.coyote.http11.Http11Processor.service(
> > > >> > > > > > Http11Processor.java:784)
> > > >> > > > > > at org.apache.coyote.AbstractProcessorLight.process(
> > > >> > > > > > AbstractProcessorLight.java:66)
> > > >> > > > > > at org.apache.coyote.AbstractProtocol$ConnectionHandler.
> > > >> process(
> > > >> > > > > > AbstractProtocol.java:802)
> > > >> > > > > > at org.apache.tomcat.util.net.
> NioEndpoint$SocketProcessor.
> > > >> > > > > > doRun(NioEndpoint.java:1410)
> > > >> > > > > > at org.apache.tomcat.util.net.SocketProcessorBase.run(
> > > >> > > > > > SocketProcessorBase.java:49)
> > > >> > > > > > at java.util.concurrent.ThreadPoolExecutor.runWorker(
> > > >> > > > > > ThreadPoolExecutor.java:1142)
> > > >> > > > > > at java.util.concurrent.ThreadPoolExecutor$Worker.run(
> > > >> > > > > > ThreadPoolExecutor.java:617)
> > > >> > > > > > at org.apache.tomcat.util.threads.TaskThread$
> > > WrappingRunnable.
> > > >> run(
> > > >> > > > > > TaskThread.java:61)
> > > >> > > > > > at java.lang.Thread.run(Thread.java:745)
> > > >> > > > > >
> > > >> > > > > > Looking an the MyFaces code it looks like the there is no
> > > active
> > > >> > > faces
> > > >> > > > > > instance (FacesContext.getCurrentInstance()) when it
> tries
> > to
> > > >> > > destroy
> > > >> > > > > the
> > > >> > > > > > beans.
> > > >> > > > > >
> > > >> > > > > >
> > > >> > > > > > On Wed, Nov 16, 2016 at 10:51 AM, Romain Manni-Bucau <
> > > >> > > > > > rmannibucau@gmail.com> wrote:
> > > >> > > > > >
> > > >> > > > > >> 2016-11-16 16:48 GMT+01:00 Adam Cornett <
> > > >> adam.cornett@gmail.com>:
> > > >> > > > > >>
> > > >> > > > > >> > I don't think so.  This error will happen for even the
> > > >> simplest
> > > >> > > > bean:
> > > >> > > > > we
> > > >> > > > > >> > have one 40 line class that just loads a list of JPA
> > > objects
> > > >> > from
> > > >> > > > the
> > > >> > > > > db
> > > >> > > > > >> > and sorts it for presentation and it triggers the issue
> > > too.
> > > >> So
> > > >> > > > far I
> > > >> > > > > >> have
> > > >> > > > > >> > seen this happen on at least 8 different view scoped
> > beans
> > > >> > across
> > > >> > > > > >> different
> > > >> > > > > >> > wars in our product.
> > > >> > > > > >> >
> > > >> > > > > >> >
> > > >> > > > > >> Does that mean it is easy to reproduce on a github
> project?
> > > >> 0:-)
> > > >> > > > > >>
> > > >> > > > > >>
> > > >> > > > > >> > I've been trying to sort this out for two days now and
> > > can't
> > > >> > > figure
> > > >> > > > > out
> > > >> > > > > >> if
> > > >> > > > > >> > it is caused by a change in our app or if there is
> > > something
> > > >> > going
> > > >> > > > on
> > > >> > > > > in
> > > >> > > > > >> > OWB/MyFaces/TomEE.  I've disabled tomcat session
> > > replication
> > > >> and
> > > >> > > the
> > > >> > > > > >> issue
> > > >> > > > > >> > still persists (although sometimes it takes many tries
> to
> > > get
> > > >> > the
> > > >> > > > > issue
> > > >> > > > > >> to
> > > >> > > > > >> > manifest).
> > > >> > > > > >> >
> > > >> > > > > >> > We have session beans all over our application and
> those
> > > work
> > > >> > > fine,
> > > >> > > > it
> > > >> > > > > >> is
> > > >> > > > > >> > just he viewscoped ones that can trigger the issue.
> The
> > > >> > > > intermittent
> > > >> > > > > >> > nature of the problem is also very confusing.  What
> sort
> > of
> > > >> > things
> > > >> > > > > >> could I
> > > >> > > > > >> > do in our application code that would cause the
> container
> > > to
> > > >> > loose
> > > >> > > > the
> > > >> > > > > >> > request?
> > > >> > > > > >> >
> > > >> > > > > >> >
> > > >> > > > > >> > On Wed, Nov 16, 2016 at 10:35 AM, Romain Manni-Bucau <
> > > >> > > > > >> > rmannibucau@gmail.com>
> > > >> > > > > >> > wrote:
> > > >> > > > > >> >
> > > >> > > > > >> > > Normally the session is captured from the request. Is
> > it
> > > >> > > possible
> > > >> > > > > you
> > > >> > > > > >> > loose
> > > >> > > > > >> > > the request when touching this bean somehow?
> > > >> > > > > >> > >
> > > >> > > > > >> > >
> > > >> > > > > >> > > Romain Manni-Bucau
> > > >> > > > > >> > > @rmannibucau <https://twitter.com/rmannibucau> |
> Blog
> > > >> > > > > >> > > <https://blog-rmannibucau.rhcloud.com> | Old Blog
> > > >> > > > > >> > > <http://rmannibucau.wordpress.com> | Github <
> > > >> > > https://github.com/
> > > >> > > > > >> > > rmannibucau> |
> > > >> > > > > >> > > LinkedIn <https://www.linkedin.com/in/rmannibucau> |
> > > >> JavaEE
> > > >> > > > Factory
> > > >> > > > > >> > > <https://javaeefactory-rmannibucau.rhcloud.com>
> > > >> > > > > >> > >
> > > >> > > > > >> > > 2016-11-16 15:51 GMT+01:00 Adam Cornett <
> > > >> > adam.cornett@gmail.com
> > > >> > > >:
> > > >> > > > > >> > >
> > > >> > > > > >> > > > Using TomEE 7.0.2 we are seeing intermittent
> problems
> > > >> with
> > > >> > > beans
> > > >> > > > > >> > > > using javax.faces.view.ViewScoped.
> > > >> > > > > >> > > > We have many pages that use @ViewScoped beans, but
> > the
> > > >> > > behavior
> > > >> > > > of
> > > >> > > > > >> this
> > > >> > > > > >> > > > issue is not predictable.  Sometimes we can login
> and
> > > not
> > > >> > have
> > > >> > > > any
> > > >> > > > > >> > issue
> > > >> > > > > >> > > at
> > > >> > > > > >> > > > all, sometimes it will only impact a single bean
> and
> > > all
> > > >> > other
> > > >> > > > > >> > > @ViewScoped
> > > >> > > > > >> > > > beans will work fine, but when a bean starts
> throwing
> > > an
> > > >> > > error,
> > > >> > > > it
> > > >> > > > > >> will
> > > >> > > > > >> > > > keep throwing the error until the user logs out
> (ends
> > > the
> > > >> > > > servlet
> > > >> > > > > >> > > session)
> > > >> > > > > >> > > > and then when logging back it in may or may not
> > happen
> > > >> > again.
> > > >> > > > > >> > > >
> > > >> > > > > >> > > >
> > > >> > > > > >> > > > The primary error is below:
> > > >> > > > > >> > > > javax.enterprise.context.
> ContextNotActiveException:
> > > >> > WebBeans
> > > >> > > > > >> context
> > > >> > > > > >> > > with
> > > >> > > > > >> > > > scope type annotation @SessionScoped does not exist
> > > >> within
> > > >> > > > current
> > > >> > > > > >> > thread
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.container.
> > > >> BeanManagerImpl.getContext(
> > > >> > > > > >> > > > BeanManagerImpl.java:331)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.intercept.
> > > >> > NormalScopedBeanInterceptorHan
> > > >> > > > > >> > > > dler.getContextualInstance(Nor
> > > >> malScopedBeanInterceptorHan
> > > >> > dle
> > > >> > > > > >> r.java:89)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.intercept.
> > > >> > SessionScopedBeanInterceptorHa
> > > >> > > > > >> > > > ndler.getContextualInstance(Se
> > > >> ssionScopedBeanInterceptorHa
> > > >> > > > > >> > ndler.java:76)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.intercept.
> > > >> > NormalScopedBeanInterceptorHan
> > > >> > > > > >> dler.get(
> > > >> > > > > >> > > > NormalScopedBeanInterceptorHandler.java:71)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.cdi.view.ViewScopeBeanHolder$$
> > > >> > OwbNormalSc
> > > >> > > > > >> opeProxy0.
> > > >> > > > > >> > > > generateUniqueViewScopeId(org/
> > apache/myfaces/cdi/view/
> > > >> > > > > >> > > > ViewScopeBeanHolder.java)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.cdi.impl.
> > CDIManagedBeanHandlerImpl.
> > > >> > > > > >> > > generateViewScopeId(
> > > >> > > > > >> > > > CDIManagedBeanHandlerImpl.java:92)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.view.
> > ViewScopeProxyMap.getWrapped(
> > > >> > > > > >> > > > ViewScopeProxyMap.java:79)
> > > >> > > > > >> > > > at org.apache.myfaces.view.ViewScopeProxyMap.size(
> > > >> > > > > >> > > > ViewScopeProxyMap.java:99)
> > > >> > > > > >> > > > at javax.faces.component.UIViewRoot.saveState(
> > > >> > > > > UIViewRoot.java:1502)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.renderkit.ErrorPageWriter._
> > > >> > writeComponent(
> > > >> > > > > >> > > > ErrorPageWriter.java:851)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.renderkit.
> > > ErrorPageWriter.debugHtml(
> > > >> > > > > >> > > > ErrorPageWriter.java:352)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.renderkit.
> ErrorPageWriter.handle(
> > > >> > > > > >> > > > ErrorPageWriter.java:471)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.context.MyF
> > > >> acesExceptionHandlerWrapper
> > > >> > Imp
> > > >> > > > > >> l.handle(
> > > >> > > > > >> > > > MyFacesExceptionHandlerWrapperImpl.java:301)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > javax.faces.context.ExceptionHandlerWrapper.
> handle(
> > > >> > > > > >> > > > ExceptionHandlerWrapper.java:61)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.jsf.
> OwbExceptionHandler.handle(
> > > >> > > > > >> > > > OwbExceptionHandler.java:61)
> > > >> > > > > >> > > > at org.apache.myfaces.lifecycle.
> > LifecycleImpl.render(
> > > >> > > > > >> > > > LifecycleImpl.java:287)
> > > >> > > > > >> > > > at javax.faces.webapp.FacesServlet.service(
> > > >> > > > FacesServlet.java:200)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.ApplicationFilterChain.
> > > >> > > > internalDoFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:230)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.Appli
> > > >> cationFilterChain.doFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:165)
> > > >> > > > > >> > > > at org.apache.tomcat.websocket.
> > > server.WsFilter.doFilter(
> > > >> > > > > >> > > WsFilter.java:52)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.ApplicationFilterChain.
> > > >> > > > internalDoFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:192)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.Appli
> > > >> cationFilterChain.doFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:165)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.
> > ApplicationDispatcher.invoke(
> > > >> > > > > >> > > > ApplicationDispatcher.java:726)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.ApplicationDispatcher.
> > > >> > > processRequest(
> > > >> > > > > >> > > > ApplicationDispatcher.java:469)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.Appli
> > > >> cationDispatcher.doForward(
> > > >> > > > > >> > > > ApplicationDispatcher.java:394)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.
> > > ApplicationDispatcher.forward(
> > > >> > > > > >> > > > ApplicationDispatcher.java:311)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > com.achalert.alert.security.se
> > > >> rvlets.LoginHandlerServlet.
> > > >> > > > > >> > processRequest(
> > > >> > > > > >> > > > LoginHandlerServlet.java:186)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > com.achalert.alert.security.se
> > > >> rvlets.LoginHandlerServlet.
> > > >> > > > > >> > > > doPost(LoginHandlerServlet.java:371)
> > > >> > > > > >> > > > at javax.servlet.http.HttpServlet.service(
> > > >> > > HttpServlet.java:648)
> > > >> > > > > >> > > > at javax.servlet.http.HttpServlet.service(
> > > >> > > HttpServlet.java:729)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.ApplicationFilterChain.
> > > >> > > > internalDoFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:230)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.Appli
> > > >> cationFilterChain.doFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:165)
> > > >> > > > > >> > > > at org.apache.tomcat.websocket.
> > > server.WsFilter.doFilter(
> > > >> > > > > >> > > WsFilter.java:52)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.ApplicationFilterChain.
> > > >> > > > internalDoFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:192)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.Appli
> > > >> cationFilterChain.doFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:165)
> > > >> > > > > >> > > > at org.apache.openejb.server.
> > httpd.EEFilter.doFilter(
> > > >> > > EEFilter.
> > > >> > > > > >> java:65)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.ApplicationFilterChain.
> > > >> > > > internalDoFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:192)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.Appli
> > > >> cationFilterChain.doFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:165)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > com.achalert.alert.security.filters.
> > > >> > SessionValidationFilter.
> > > >> > > > > >> doFilter(
> > > >> > > > > >> > > > SessionValidationFilter.java:134)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.ApplicationFilterChain.
> > > >> > > > internalDoFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:192)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.Appli
> > > >> cationFilterChain.doFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:165)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > com.achalert.alert.http.OmnibusAchAlertFilter.
> > > doFilter(
> > > >> > > > > >> > > > OmnibusAchAlertFilter.java:161)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.ApplicationFilterChain.
> > > >> > > > internalDoFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:192)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.Appli
> > > >> cationFilterChain.doFilter(
> > > >> > > > > >> > > > ApplicationFilterChain.java:165)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.
> > StandardWrapperValve.invoke(
> > > >> > > > > >> > > > StandardWrapperValve.java:198)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.
> > StandardContextValve.invoke(
> > > >> > > > > >> > > > StandardContextValve.java:108)
> > > >> > > > > >> > > > at org.apache.tomee.catalina.OpenEJBValve.invoke(
> > > >> > > OpenEJBValve.
> > > >> > > > > >> java:44)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.authentica
> > > >> tor.AuthenticatorBase.invoke(
> > > >> > > > > >> > > > AuthenticatorBase.java:472)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.StandardHostValve.invoke(
> > > >> > > > > >> > > > StandardHostValve.java:140)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.valves.
> ErrorReportValve.invoke(
> > > >> > > > > >> > > > ErrorReportValve.java:79)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.tomee.catalina.OpenEJBSecurityListener$
> > > >> > > > > >> > > RequestCapturer.invoke(
> > > >> > > > > >> > > > OpenEJBSecurityListener.java:97)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.
> StandardEngineValve.invoke(
> > > >> > > > > >> > > > StandardEngineValve.java:87)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.connector.
> CoyoteAdapter.service(
> > > >> > > > > >> > > > CoyoteAdapter.java:349)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.coyote.http11.Http11Processor.service(
> > > >> > > > > >> > > Http11Processor.java:784)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.coyote.AbstractProcessorLight.process(
> > > >> > > > > >> > > > AbstractProcessorLight.java:66)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.coyote.AbstractProtocol$
> > > >> > ConnectionHandler.process(
> > > >> > > > > >> > > > AbstractProtocol.java:802)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.tomcat.util.net.
> > > NioEndpoint$SocketProcessor.
> > > >> > > > > >> > > > doRun(NioEndpoint.java:1410)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.tomcat.util.net.
> SocketProcessorBase.run(
> > > >> > > > > >> > > > SocketProcessorBase.java:49)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > java.util.concurrent.ThreadPoolExecutor.runWorker(
> > > >> > > > > >> > > > ThreadPoolExecutor.java:1142)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > java.util.concurrent.
> ThreadPoolExecutor$Worker.run(
> > > >> > > > > >> > > > ThreadPoolExecutor.java:617)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.tomcat.util.threads.TaskThread$
> > > >> > > WrappingRunnable.run(
> > > >> > > > > >> > > > TaskThread.java:61)
> > > >> > > > > >> > > > at java.lang.Thread.run(Thread.java:745)
> > > >> > > > > >> > > >
> > > >> > > > > >> > > > I've also noticed that there is another error which
> > may
> > > >> be
> > > >> > > > > related.
> > > >> > > > > >> > This
> > > >> > > > > >> > > > one is usually somewhere in the logs before the
> above
> > > >> error
> > > >> > > > > happens:
> > > >> > > > > >> > > > org.apache.webbeans.component.ManagedBean -
> > Exception
> > > >> > thrown
> > > >> > > > > while
> > > >> > > > > >> > > > destroying bean instance : [ViewScopeBeanHolder,
> > > >> > > > > >> WebBeansType:MANAGED,
> > > >> > > > > >> > > > Name:null, API
> > > >> > > > > >> > > > Types:[org.apache.myfaces.cdi.
> > > >> > view.ViewScopeBeanHolder,java.
> > > >> > > > > >> > > > io.Serializable,java.lang.Object],
> > > >> > > > > >> > > > Qualifiers:[javax.enterprise.inject.Default,javax.
> > > >> > > > > >> > > enterprise.inject.Any]]
> > > >> > > > > >> > > > java.lang.NullPointerException: null
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.cdi.view.ViewScopeContextImpl.
> > > >> > > > > destroyAllActive(
> > > >> > > > > >> > > > ViewScopeContextImpl.java:229)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.cdi.view.ViewScopeContextImpl.
> > > >> > > > > destroyAllActive(
> > > >> > > > > >> > > > ViewScopeContextImpl.java:223)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.myfaces.cdi.view.ViewScopeBeanHolder.
> > > >> > > > > >> > > destroyBeansOnPreDestroy(
> > > >> > > > > >> > > > ViewScopeBeanHolder.java:221)
> > > >> > > > > >> > > > at sun.reflect.NativeMethodAccessorImpl.
> > invoke0(Native
> > > >> > > Method)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > sun.reflect.NativeMethodAccessorImpl.invoke(
> > > >> > > > > >> > > NativeMethodAccessorImpl.java:
> > > >> > > > > >> > > > 62)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > sun.reflect.DelegatingMethodAccessorImpl.invoke(
> > > >> > > > > >> > > > DelegatingMethodAccessorImpl.java:43)
> > > >> > > > > >> > > > at java.lang.reflect.Method.
> invoke(Method.java:498)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.intercept.
> > > >> > LifecycleInterceptorInvocation
> > > >> > > > > >> > > > Context.proceed(LifecycleInterceptorInvocation
> > > >> > > Context.java:103)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.portable.InjectionTargetImpl.
> > > >> > preDestroy(
> > > >> > > > > >> > > > InjectionTargetImpl.java:352)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.component.
> > AbstractOwbBean.destroy(
> > > >> > > > > >> > > > AbstractOwbBean.java:179)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.context.AbstractContext.
> > > >> > destroyInstance(
> > > >> > > > > >> > > > AbstractContext.java:206)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.context.AbstractContext.
> > > >> > destroyInstance(
> > > >> > > > > >> > > > AbstractContext.java:192)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.context.
> AbstractContext.destroy(
> > > >> > > > > >> > > > AbstractContext.java:218)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.web.
> context.WebContextsService.
> > > >> > > > > >> > > destroyRequestContext(
> > > >> > > > > >> > > > WebContextsService.java:408)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.openejb.cdi.CdiAppContextsService.
> > > >> > > > > destroyRequestContext(
> > > >> > > > > >> > > > CdiAppContextsService.java:113)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.webbeans.web.
> context.WebContextsService.
> > > >> > > > > >> > > > endContext(WebContextsService.java:223)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.openejb.server.
> > httpd.BeginWebBeansListener.
> > > >> > > > > >> > requestDestroyed(
> > > >> > > > > >> > > > BeginWebBeansListener.java:99)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.StandardContext.
> > > >> > > > fireRequestDestroyEvent(
> > > >> > > > > >> > > > StandardContext.java:5965)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.StandardHostValve.invoke(
> > > >> > > > > >> > > > StandardHostValve.java:182)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.valves.
> ErrorReportValve.invoke(
> > > >> > > > > >> > > > ErrorReportValve.java:79)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.tomee.catalina.OpenEJBSecurityListener$
> > > >> > > > > >> > > RequestCapturer.invoke(
> > > >> > > > > >> > > > OpenEJBSecurityListener.java:97)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.core.
> StandardEngineValve.invoke(
> > > >> > > > > >> > > > StandardEngineValve.java:87)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.catalina.connector.
> CoyoteAdapter.service(
> > > >> > > > > >> > > > CoyoteAdapter.java:349)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.coyote.http11.Http11Processor.service(
> > > >> > > > > >> > > Http11Processor.java:784)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.coyote.AbstractProcessorLight.process(
> > > >> > > > > >> > > > AbstractProcessorLight.java:66)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.coyote.AbstractProtocol$
> > > >> > ConnectionHandler.process(
> > > >> > > > > >> > > > AbstractProtocol.java:802)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.tomcat.util.net.
> > > NioEndpoint$SocketProcessor.
> > > >> > > > > >> > > > doRun(NioEndpoint.java:1410)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.tomcat.util.net.
> SocketProcessorBase.run(
> > > >> > > > > >> > > > SocketProcessorBase.java:49)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > java.util.concurrent.ThreadPoolExecutor.runWorker(
> > > >> > > > > >> > > > ThreadPoolExecutor.java:1142)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > java.util.concurrent.
> ThreadPoolExecutor$Worker.run(
> > > >> > > > > >> > > > ThreadPoolExecutor.java:617)
> > > >> > > > > >> > > > at
> > > >> > > > > >> > > > org.apache.tomcat.util.threads.TaskThread$
> > > >> > > WrappingRunnable.run(
> > > >> > > > > >> > > > TaskThread.java:61)
> > > >> > > > > >> > > > at java.lang.Thread.run(Thread.java:745)
> > > >> > > > > >> > > >
> > > >> > > > > >> > > >
> > > >> > > > > >> > > >
> > > >> > > > > >> > > > Adam Cornett
> > > >> > > > > >> > > >
> > > >> > > > > >> > >
> > > >> > > > > >> >
> > > >> > > > > >> >
> > > >> > > > > >> >
> > > >> > > > > >> > --
> > > >> > > > > >> > Adam Cornett
> > > >> > > > > >> > adam.cornett@gmail.com
> > > >> > > > > >> > (678) 296-1150
> > > >> > > > > >> >
> > > >> > > > > >>
> > > >> > > > > >
> > > >> > > > > >
> > > >> > > > > >
> > > >> > > > > > --
> > > >> > > > > > Adam Cornett
> > > >> > > > > > adam.cornett@gmail.com
> > > >> > > > > > (678) 296-1150
> > > >> > > > > >
> > > >> > > > >
> > > >> > > > >
> > > >> > > > >
> > > >> > > > > --
> > > >> > > > > Adam Cornett
> > > >> > > > > adam.cornett@gmail.com
> > > >> > > > > (678) 296-1150
> > > >> > > > >
> > > >> > > >
> > > >> > >
> > > >> > >
> > > >> > >
> > > >> > > --
> > > >> > > Adam Cornett
> > > >> > > adam.cornett@gmail.com
> > > >> > > (678) 296-1150
> > > >> > >
> > > >> >
> > > >>
> > > >
> > >
> > >
> > > --
> > > Adam Cornett
> > > adam.cornett@gmail.com
> > > (678) 296-1150
> > >
> >
>
>
>
> --
> Adam Cornett
> adam.cornett@gmail.com
> (678) 296-1150
>

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