Vitaly,

I don't think that means that something's not serializable?  I believe
this is where Tomcat is trying to load some sessions out of the
persistent session store.  If the objects weren't serializable, they
wouldn't have been written in the first place, right?  This can happen
if the serialized sessions file gets corrupted (by running two
instances of Tomcat using the same directory perhaps).  I googled a
bit and found this link:

http://www.myeclipseide.com/PNphpBB2+file-viewtopic-t-12724.html

That might help you.

James

On 3/3/08, Vitaly Tsaplin <[EMAIL PROTECTED]> wrote:
> Hi Igor,
>
>    This is my log if I got it right... But I don't see any useful info.
>
>  ......................
>  Mar 3, 2008 11:59:27 PM org.apache.coyote.http11.Http11Protocol init
>  INFO: Initializing Coyote HTTP/1.1 on http-8080
>  Mar 3, 2008 11:59:27 PM org.apache.catalina.startup.Catalina load
>  INFO: Initialization processed in 561 ms
>  Mar 3, 2008 11:59:27 PM org.apache.catalina.core.StandardService start
>  INFO: Starting service Catalina
>  Mar 3, 2008 11:59:27 PM org.apache.catalina.core.StandardEngine start
>  INFO: Starting Servlet Engine: Apache Tomcat/6.0.16
>  Mar 3, 2008 11:59:27 PM org.apache.catalina.session.StandardManager doLoad
>
> SEVERE: IOException while loading persisted sessions: java.io.EOFException
>  java.io.EOFException
>         at java.io.ObjectInputStream$PeekInputStream.readFully(Unknown Source)
>         at java.io.ObjectInputStream$BlockDataInputStream.readShort(Unknown 
> Source)
>         at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
>
>         at java.io.ObjectInputStream.<init>(Unknown Source)
>         at 
> org.apache.catalina.util.CustomObjectInputStream.<init>(CustomObjectInputStream.java:58)
>         at 
> org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:362)
>         at 
> org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
>         at 
> org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
>         at 
> org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:438)
>         at 
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4271)
>         at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
>         at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
>         at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
>         at 
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
>         at 
> org.apache.catalina.core.StandardService.start(StandardService.java:516)
>         at 
> org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
>         at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
>         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)
>  Mar 3, 2008 11:59:27 PM org.apache.catalina.session.StandardManager start
>  SEVERE: Exception loading sessions from persistent storage
>
> java.io.EOFException
>         at java.io.ObjectInputStream$PeekInputStream.readFully(Unknown Source)
>         at java.io.ObjectInputStream$BlockDataInputStream.readShort(Unknown 
> Source)
>         at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
>
>         at java.io.ObjectInputStream.<init>(Unknown Source)
>         at 
> org.apache.catalina.util.CustomObjectInputStream.<init>(CustomObjectInputStream.java:58)
>         at 
> org.apache.catalina.session.StandardManager.doLoad(StandardManager.java:362)
>         at 
> org.apache.catalina.session.StandardManager.load(StandardManager.java:321)
>         at 
> org.apache.catalina.session.StandardManager.start(StandardManager.java:637)
>         at 
> org.apache.catalina.core.ContainerBase.setManager(ContainerBase.java:438)
>         at 
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4271)
>         at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
>         at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
>         at 
> org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
>         at 
> org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
>         at 
> org.apache.catalina.core.StandardService.start(StandardService.java:516)
>         at 
> org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
>         at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
>         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)
>  ********************************************************************
>  *** WARNING: Wicket is running in DEVELOPMENT mode.              ***
>  ***                               ^^^^^^^^^^^                    ***
>  *** Do NOT deploy to your live server(s) without changing this.  ***
>  *** See Application#getConfigurationType() for more information. ***
>  ********************************************************************
>  Mar 3, 2008 11:59:28 PM org.apache.coyote.http11.Http11Protocol start
>  INFO: Starting Coyote HTTP/1.1 on http-8080
>  Mar 3, 2008 11:59:28 PM org.apache.jk.common.ChannelSocket init
>  INFO: JK: ajp13 listening on /0.0.0.0:8009
>  Mar 3, 2008 11:59:28 PM org.apache.jk.server.JkMain start
>  INFO: Jk running ID=0 time=0/16  config=null
>  Mar 3, 2008 11:59:28 PM org.apache.catalina.startup.Catalina start
>  INFO: Server startup in 1238 ms
>
>
>  Vitaly
>
>
>  On Tue, Mar 4, 2008 at 12:11 AM, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
>  > if you are in dev mode it should show you what field of what object
>  >  references something that is not serializable in wicket 1.3. check
>  >  your logs
>  >
>  >  -igor
>  >
>  >
>  >
>  >
>  >  On Mon, Mar 3, 2008 at 3:07 PM, Vitaly Tsaplin <[EMAIL PROTECTED]> wrote:
>  >  >    Hi people!
>  >  >
>  >  >    I have something which is probably not serializable, some page I
>  >  >  think. As usual a have an exception with output like this
>  >  >
>  >  >  SEVERE: IOException while loading persisted sessions: 
> java.io.EOFException
>  >  >  java.io.EOFException
>  >  >         at java.io.ObjectInputStream$PeekInputStream.readFully(Unknown 
> Source)
>  >  >         at 
> java.io.ObjectInputStream$BlockDataInputStream.readShort(Unknown Source)
>  >  >         at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
>  >  >         ................
>  >  >
>  >  >    It's not very informative. So... How to find the cause... the
>  >  >  object that cannot be serialized? Any ideas?
>  >  >
>  >  >    Vitaly
>  >  >
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