Re: Load testing JSF application

Fri, 21 Aug 2009 13:52:47 -0700

Are you sure that you extract the"javax.faces.ViewStat" field out of the markup? 
There are some posts here and on dev@ and on
the wiki on how to do that with JMeter

-Matthias

Sent from my iPod.
On 21.08.2009, at 20:28, Shasi Mitra Yarram <shasimi...@yahoo.com> wrote: 



Hi,
> We are having a peculiar behavior when we performed load testing on our JSF application deployed in websphere server. > It is throwing an error as it is unable to serialize the view state of Ajax4jsf. 
>
> I looked into the code of Ajax4jsf jars, none of the programs are serializable. Shouldnt these classes be serializable? > AjaxViewRoot extends the myfaces APIs. Even they are not serializable. If at all not implementing serializable is a issue, it seems to be a basic problem. I am pretty sure that Myfaces developers/designers would have thought about this and handled it somehow. There is something that I am missing and unable to understand. 
>
> I did a bit of research and found the following link.
> <<http://www.mail-archive.com/users@myfaces.apache.org/ msg13718.html>> 
>
> It states by enabling SERIALIZE_STATE_IN_SESSION to "true", it could resolve the problem. 
>
> Now I had set this to false after looking at JSF performance improvement tips in myfaces wiki 
> <<http://wiki.apache.org/myfaces/Performance>>
>
> I am pretty confused as exactly what needs to be done. Can you please help with your ideas? 
>
> --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---------------------------------------------------------------------- 
> Below is my stack trace.......
> app data changes : [jsf_sequence, org.apache.myfaces.application.jsp.JspStateManagerImpl.SERIALIZED_VIEW, javax.faces.request.charset] 
> app data removals : null
> user write hit : false
> max inact write hit : false
> listener count hit : false
> update : update sessions set
> listener count : 1
>
> cached : true
> cacheId : 0001
> cacheIdUpdated : false
> syncFromServlet : false
>
>
> [8/21/09 2:13:20:286 EDT] 000000b2 SessionContex E Exception is: java.io.NotSerializableException: org.ajax4jsf.framework.ajax.AjaxViewRoot > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.defaultWriteFields (ObjectOutputStream.java(Inlined Compiled Code)) > at java.io.ObjectOutputStream.writeSerialData (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeOrdinaryObject (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeArray (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeArray (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject (ObjectOutputStream.java(Inlined Compiled Code)) > at java.util.ArrayList.writeObject(ArrayList.java(Compiled Code)) 
>     at sun.reflect.GeneratedMethodAccessor75.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java(Compiled Code)) 
>     at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
> at java.io.ObjectStreamClass.invokeWriteObject (ObjectStreamClass.java(Compiled Code)) > at java.io.ObjectOutputStream.writeSerialData (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeOrdinaryObject (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeArray (ObjectOutputStream.java(Compiled Code)) > at java.io..ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject (ObjectOutputStream.java(Inlined Compiled Code)) > at java.util.ArrayList.writeObject(ArrayList.java(Compiled Code)) 
>     at sun.reflect.GeneratedMethodAccessor75.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java(Compiled Code))> 
>     at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
> at java.io.ObjectStreamClass.invokeWriteObject (ObjectStreamClass.java(Compiled Code)) > at java.io.ObjectOutputStream.writeSerialData (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeOrdinaryObject (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeArray (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject (ObjectOutputStream.java(Inlined Compiled Code)) > at java..util.ArrayList.writeObject(ArrayList.java(Compiled Code)) 
>     at sun.reflect.GeneratedMethodAccessor75.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java(Compiled Code)) 
>     at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
> at java.io.ObjectStreamClass.invokeWriteObject (ObjectStreamClass.java(Compiled Code)) > at java.io.ObjectOutputStream.writeSerialData (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeOrdinaryObject (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeArray (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeArray (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject (ObjectOutputStream.java(Compiled Code)) 
>     at java.util.HashMap.writeObject(HashMap.java(Compiled Code))
>     at sun.reflect.GeneratedMethodAccessor71.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java(Compiled Code)) 
>     at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
> at java.io.ObjectStreamClass.invokeWriteObject (ObjectStreamClass.java(Compiled Code)) > at java.io.ObjectOutputStream.writeSerialData (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeOrdinaryObject (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.defaultWriteFields (ObjectOutputStream.java(Inlined Compiled Code)) > at java.io.ObjectOutputStream.writeSerialData (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeOrdinaryObject (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java(Compiled Code)) > at java.io.ObjectOutputStream.writeObject (ObjectOutputStream.java(Compiled Code)) > at com.ibm.ws.webcontainer.httpsession.BackedHashtableMR.handlePropertyHits( BackedHashtableMR.java(Compiled Code)) > at com.ibm.ws.webcontainer.httpsession.BackedHashtable.persistSession (BackedHashtable.java(Compiled Code)) > at com.ibm.ws.webcontainer.httpsession.BackedHashtable.ejbStore (BackedHashtable.java(Compiled Code)) > at com.ibm.ws.webcontainer.httpsession.BackedHashtable.storeSession (BackedHashtable.java(Compiled Code)) > at com.ibm.ws.webcontainer.httpsession.BackedHashtable.put (BackedHashtable.java(Compiled Code)) > at com.ibm.ws.webcontainer.httpsession.DatabaseSessionContext.sync (DatabaseSessionContext.java(Compiled Code)) > at com.ibm.ws.webcontainer.httpsession.SessionData.releaseSession (SessionData.java(Compiled Code)) > at com.ibm.ws.webcontainer.httpsession.SessionContext.sessionPostInvoke (SessionContext.java(Compiled Code)) > at com.ibm.ws.webcontainer.srt.SRTRequestContext.finish (SRTRequestContext.java(Compiled Code)) > at com.ibm.ws.webcontainer.srt.SRTServletRequest.finish (SRTServletRequest.java(Compiled Code))> > at com.ibm.ws.webcontainer.srt.SRTConnectionContext.finishConnection (SRTConnectionContext.java(Compiled Code)) > at com.ibm.ws.webcontainer.WebContainer.handleRequest (WebContainer.java(Compiled Code)) > at com.ibm.ws.webcontainer.channel.WCChannelLink.ready (WCChannelLink.java(Compiled Code)) > at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination( HttpInboundLink.java(Compiled Code)) > at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation( HttpInboundLink.java(Compiled Code)) > at com.ibm.ws..http.channel.inbound.impl.HttpICLReadCallback.complete (HttpICLReadCallback..java(Compiled Code)) > at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete (WorkQueueManager.java(Compiled Code)) > at com.ibm.ws.tcp.channel.impl.WorkQueueManager..attemptIO (WorkQueueManager.java(Compiled Code)) > at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun (WorkQueueManager.java(Compiled Code)) > at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run (WorkQueueManager.java(Compiled Code)) > at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java (Compiled Code)) 
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