ERROR - Internal error cloning object

[Dipu-3]

Hi Igor/Eelco and Others,

Sorry i am reposting this, can any one please tell me how to get around this
issue.

I am seeing loads of "Internal error cloning object" error in the log files.
I am running on DEPLOYMENT mode and also  i have set
get().getDebugSettings()
.setSerializeSessionAttributes(false);
( which is not really required when i am on Deployment mode ) in the
application class.

I have an Iframe on different site pointing to my application like this
<iframe id="framename" name="framename" marginwidth="0" marginheight="0"
hspace="0" vspace="0" target="_top"
src="
http://sagittarius:8080/fab1gui/search?wicket:bookmarkablePage=:com.xmltravel.fab1.wicket.flights.HorizontalSearchNavPage"
allowtransparency="true" frameborder="0" height="210" scrolling="no"
width="540"></iframe>

I tried to simulate this situation and noticed that when i do a submit on
the Iframe for the first time this error is thrown.

How can i get around this issue.

My client has configured a spider to do searches on the live site and i am
seeing loads and loads of Internal error cloning object exception.
And worst of all today there was an out of memory error, i am wondering if
the repeated occurrence of cloning excpetion has got anything to
do with the out of memory error.

Regards
Dipu


2007-07-30 12:25:45:437 ERROR wicket.markup.html.WebPage
[http-8080-Processor25] - Page [Page class =
com.xmltravel.fab1.wicket.flights.FlightSearchResultPage , id = 1] couldn't
be cloned to move to another pagemap
wicket.WicketRuntimeException: Internal error cloning object
    at wicket.util.lang.Objects.cloneObject(Objects.java:466)
    at wicket.markup.html.WebPage.onNewBrowserWindow (WebPage.java:344)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(
NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke (
DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:585)
    at wicket.RequestListenerInterface.invoke(RequestListenerInterface.java
:187)
    at
wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(
ListenerInterfaceRequestTarget.java:74)
    at wicket.request.compound.DefaultEventProcessorStrategy.processEvents(
DefaultEventProcessorStrategy.java:65)
    at
wicket.request.compound.AbstractCompoundRequestCycleProcessor.processEvents(
AbstractCompoundRequestCycleProcessor.java:57)
    at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:896)
    at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:929)
    at wicket.RequestCycle.step (RequestCycle.java:1010)
    at wicket.RequestCycle.steps(RequestCycle.java:1084)
    at wicket.RequestCycle.request(RequestCycle.java:454)
    at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:219)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
ApplicationFilterChain.java :252)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(
ApplicationFilterChain.java:173)
    at org.apache.catalina.core.StandardWrapperValve.invoke(
StandardWrapperValve.java:213)
    at org.apache.catalina.core.StandardContextValve.invoke (
StandardContextValve.java:178)
    at org.apache.catalina.core.StandardHostValve.invoke(
StandardHostValve.java:126)
    at org.apache.catalina.valves.ErrorReportValve.invoke(
ErrorReportValve.java:105)
    at org.apache.catalina.core.StandardEngineValve.invoke (
StandardEngineValve.java:107)
    at org.apache.catalina.connector.CoyoteAdapter.service(
CoyoteAdapter.java:148)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:869)
    at
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(
Http11BaseProtocol.java:664)
    at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
PoolTcpEndpoint.java:527)
    at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
LeaderFollowerWorkerThread.java :80)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
ThreadPool.java:684)
    at java.lang.Thread.run(Thread.java:595)
Caused by: java.io.NotSerializableException:
org.apache.catalina.core.ApplicationContextFacade
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
    at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java
:1369)
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
    at java.io.ObjectOutputStream.writeOrdinaryObject(
ObjectOutputStream.java:1284)
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
    at java.io.ObjectOutputStream.defaultWriteFields (
ObjectOutputStream.java:1369)
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java
:1341)
    at java.io.ObjectOutputStream.writeOrdinaryObject(
ObjectOutputStream.java:1284)
    at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java
:1073)
    at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
    at java.io.ObjectOutputStream.defaultWriteFields (
ObjectOutputStream.java:1369)
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java
:1341)
    at java.io.ObjectOutputStream.writeOrdinaryObject(
ObjectOutputStream.java:1284)
    at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java
:1073)
    at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
    at wicket.util.lang.Objects.cloneObject(Objects.java:407)
    ... 31 more
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[Martijn Dashorst]

Switch the second level page cache off to use the httpsession store,
like it was in 1.2. The second level page cache requires the objects
attached to your components to be serializable as it tries to store
the pages to disk using serialization.

The old pagemap store didn't require serializable, but does use more
server memore (though you can configure it yourself)

Martijn

On 7/30/07, Dipu Seminlal <dipu.wkt@...> wrote:

> Hi Igor/Eelco and Others,
>
> Sorry i am reposting this, can any one please tell me how to get around this
> issue.
>
> I am seeing loads of "Internal error cloning object" error in the log files.
> I am running on DEPLOYMENT mode and also  i have set
> get().getDebugSettings()
> .setSerializeSessionAttributes(false);
> ( which is not really required when i am on Deployment mode ) in the
> application class.
>
> I have an Iframe on different site pointing to my application like this
> <iframe id="framename" name="framename" marginwidth="0" marginheight="0"
> hspace="0" vspace="0" target="_top"
> src="
> http://sagittarius:8080/fab1gui/search?wicket:bookmarkablePage=:com.xmltravel.fab1.wicket.flights.HorizontalSearchNavPage"
> allowtransparency="true" frameborder="0" height="210" scrolling="no"
> width="540"></iframe>
>
> I tried to simulate this situation and noticed that when i do a submit on
> the Iframe for the first time this error is thrown.
>
> How can i get around this issue.
>
> My client has configured a spider to do searches on the live site and i am
> seeing loads and loads of Internal error cloning object exception.
> And worst of all today there was an out of memory error, i am wondering if
> the repeated occurrence of cloning excpetion has got anything to
> do with the out of memory error.
>
> Regards
> Dipu
>
>
> 2007-07-30 12:25:45:437 ERROR wicket.markup.html.WebPage
> [http-8080-Processor25] - Page [Page class =
> com.xmltravel.fab1.wicket.flights.FlightSearchResultPage , id = 1] couldn't
> be cloned to move to another pagemap
> wicket.WicketRuntimeException: Internal error cloning object
>     at wicket.util.lang.Objects.cloneObject(Objects.java:466)
>     at wicket.markup.html.WebPage.onNewBrowserWindow (WebPage.java:344)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(
> NativeMethodAccessorImpl.java:39)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke (
> DelegatingMethodAccessorImpl.java:25)
>     at java.lang.reflect.Method.invoke(Method.java:585)
>     at wicket.RequestListenerInterface.invoke(RequestListenerInterface.java
> :187)
>     at
> wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(
> ListenerInterfaceRequestTarget.java:74)
>     at wicket.request.compound.DefaultEventProcessorStrategy.processEvents(
> DefaultEventProcessorStrategy.java:65)
>     at
> wicket.request.compound.AbstractCompoundRequestCycleProcessor.processEvents(
> AbstractCompoundRequestCycleProcessor.java:57)
>     at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:896)
>     at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:929)
>     at wicket.RequestCycle.step (RequestCycle.java:1010)
>     at wicket.RequestCycle.steps(RequestCycle.java:1084)
>     at wicket.RequestCycle.request(RequestCycle.java:454)
>     at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:219)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
>     at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
>     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> ApplicationFilterChain.java :252)
>     at org.apache.catalina.core.ApplicationFilterChain.doFilter(
> ApplicationFilterChain.java:173)
>     at org.apache.catalina.core.StandardWrapperValve.invoke(
> StandardWrapperValve.java:213)
>     at org.apache.catalina.core.StandardContextValve.invoke (
> StandardContextValve.java:178)
>     at org.apache.catalina.core.StandardHostValve.invoke(
> StandardHostValve.java:126)
>     at org.apache.catalina.valves.ErrorReportValve.invoke(
> ErrorReportValve.java:105)
>     at org.apache.catalina.core.StandardEngineValve.invoke (
> StandardEngineValve.java:107)
>     at org.apache.catalina.connector.CoyoteAdapter.service(
> CoyoteAdapter.java:148)
>     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
> :869)
>     at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(
> Http11BaseProtocol.java:664)
>     at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
> PoolTcpEndpoint.java:527)
>     at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
> LeaderFollowerWorkerThread.java :80)
>     at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
> ThreadPool.java:684)
>     at java.lang.Thread.run(Thread.java:595)
> Caused by: java.io.NotSerializableException:
> org.apache.catalina.core.ApplicationContextFacade
>     at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1075)
>     at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java
> :1369)
>     at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1341)
>     at java.io.ObjectOutputStream.writeOrdinaryObject(
> ObjectOutputStream.java:1284)
>     at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1073)
>     at java.io.ObjectOutputStream.defaultWriteFields (
> ObjectOutputStream.java:1369)
>     at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java
> :1341)
>     at java.io.ObjectOutputStream.writeOrdinaryObject(
> ObjectOutputStream.java:1284)
>     at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java
> :1073)
>     at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1245)
>     at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1069)
>     at java.io.ObjectOutputStream.defaultWriteFields (
> ObjectOutputStream.java:1369)
>     at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java
> :1341)
>     at java.io.ObjectOutputStream.writeOrdinaryObject(
> ObjectOutputStream.java:1284)
>     at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java
> :1073)
>     at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:291)
>     at wicket.util.lang.Objects.cloneObject(Objects.java:407)
>     ... 31 more
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Splunk Inc.
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>
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[Dipu-3]

Hi Martijn,

How do i switch the second level page cache off ? I am using version 1.2.6,
do we have second level page in 1.2.6.

Regards
Dipu



On 7/30/07, Martijn Dashorst <martijn.dashorst@...> wrote:

>
> Switch the second level page cache off to use the httpsession store,
> like it was in 1.2. The second level page cache requires the objects
> attached to your components to be serializable as it tries to store
> the pages to disk using serialization.
>
> The old pagemap store didn't require serializable, but does use more
> server memore (though you can configure it yourself)
>
> Martijn
>
> On 7/30/07, Dipu Seminlal <dipu.wkt@...> wrote:
> > Hi Igor/Eelco and Others,
> >
> > Sorry i am reposting this, can any one please tell me how to get around
> this
> > issue.
> >
> > I am seeing loads of "Internal error cloning object" error in the log
> files.
> > I am running on DEPLOYMENT mode and also  i have set
> > get().getDebugSettings()
> > .setSerializeSessionAttributes(false);
> > ( which is not really required when i am on Deployment mode ) in the
> > application class.
> >
> > I have an Iframe on different site pointing to my application like this
> > <iframe id="framename" name="framename" marginwidth="0" marginheight="0"
> > hspace="0" vspace="0" target="_top"
> > src="
> >
> http://sagittarius:8080/fab1gui/search?wicket:bookmarkablePage=:com.xmltravel.fab1.wicket.flights.HorizontalSearchNavPage
> "
> > allowtransparency="true" frameborder="0" height="210" scrolling="no"
> > width="540"></iframe>
> >
> > I tried to simulate this situation and noticed that when i do a submit
> on
> > the Iframe for the first time this error is thrown.
> >
> > How can i get around this issue.
> >
> > My client has configured a spider to do searches on the live site and i
> am
> > seeing loads and loads of Internal error cloning object exception.
> > And worst of all today there was an out of memory error, i am wondering
> if
> > the repeated occurrence of cloning excpetion has got anything to
> > do with the out of memory error.
> >
> > Regards
> > Dipu
> >
> >
> > 2007-07-30 12:25:45:437 ERROR wicket.markup.html.WebPage
> > [http-8080-Processor25] - Page [Page class =
> > com.xmltravel.fab1.wicket.flights.FlightSearchResultPage , id = 1]
> couldn't
> > be cloned to move to another pagemap
> > wicket.WicketRuntimeException: Internal error cloning object
> >     at wicket.util.lang.Objects.cloneObject(Objects.java:466)
> >     at wicket.markup.html.WebPage.onNewBrowserWindow (WebPage.java:344)
> >     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >     at sun.reflect.NativeMethodAccessorImpl.invoke(
> > NativeMethodAccessorImpl.java:39)
> >     at sun.reflect.DelegatingMethodAccessorImpl.invoke (
> > DelegatingMethodAccessorImpl.java:25)
> >     at java.lang.reflect.Method.invoke(Method.java:585)
> >     at wicket.RequestListenerInterface.invoke(
> RequestListenerInterface.java
> > :187)
> >     at
> >
> wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents
> (
> > ListenerInterfaceRequestTarget.java:74)
> >     at
> wicket.request.compound.DefaultEventProcessorStrategy.processEvents(
> > DefaultEventProcessorStrategy.java:65)
> >     at
> >
> wicket.request.compound.AbstractCompoundRequestCycleProcessor.processEvents
> (
> > AbstractCompoundRequestCycleProcessor.java:57)
> >     at wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java
> :896)
> >     at wicket.RequestCycle.processEventsAndRespond(RequestCycle.java
> :929)
> >     at wicket.RequestCycle.step (RequestCycle.java:1010)
> >     at wicket.RequestCycle.steps(RequestCycle.java:1084)
> >     at wicket.RequestCycle.request(RequestCycle.java:454)
> >     at wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:219)
> >     at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
> >     at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
> >     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(
> > ApplicationFilterChain.java :252)
> >     at org.apache.catalina.core.ApplicationFilterChain.doFilter(
> > ApplicationFilterChain.java:173)
> >     at org.apache.catalina.core.StandardWrapperValve.invoke(
> > StandardWrapperValve.java:213)
> >     at org.apache.catalina.core.StandardContextValve.invoke (
> > StandardContextValve.java:178)
> >     at org.apache.catalina.core.StandardHostValve.invoke(
> > StandardHostValve.java:126)
> >     at org.apache.catalina.valves.ErrorReportValve.invoke(
> > ErrorReportValve.java:105)
> >     at org.apache.catalina.core.StandardEngineValve.invoke (
> > StandardEngineValve.java:107)
> >     at org.apache.catalina.connector.CoyoteAdapter.service(
> > CoyoteAdapter.java:148)
> >     at org.apache.coyote.http11.Http11Processor.process(
> Http11Processor.java
> > :869)
> >     at
> >
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection
> (
> > Http11BaseProtocol.java:664)
> >     at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(
> > PoolTcpEndpoint.java:527)
> >     at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(
> > LeaderFollowerWorkerThread.java :80)
> >     at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(
> > ThreadPool.java:684)
> >     at java.lang.Thread.run(Thread.java:595)
> > Caused by: java.io.NotSerializableException:
> > org.apache.catalina.core.ApplicationContextFacade
> >     at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java
> :1075)
> >     at java.io.ObjectOutputStream.defaultWriteFields(
> ObjectOutputStream.java
> > :1369)
> >     at java.io.ObjectOutputStream.writeSerialData(
> ObjectOutputStream.java:1341)
> >     at java.io.ObjectOutputStream.writeOrdinaryObject(
> > ObjectOutputStream.java:1284)
> >     at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java
> :1073)
> >     at java.io.ObjectOutputStream.defaultWriteFields (
> > ObjectOutputStream.java:1369)
> >     at java.io.ObjectOutputStream.writeSerialData(
> ObjectOutputStream.java
> > :1341)
> >     at java.io.ObjectOutputStream.writeOrdinaryObject(
> > ObjectOutputStream.java:1284)
> >     at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java
> > :1073)
> >     at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java
> :1245)
> >     at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java
> :1069)
> >     at java.io.ObjectOutputStream.defaultWriteFields (
> > ObjectOutputStream.java:1369)
> >     at java.io.ObjectOutputStream.writeSerialData(
> ObjectOutputStream.java
> > :1341)
> >     at java.io.ObjectOutputStream.writeOrdinaryObject(
> > ObjectOutputStream.java:1284)
> >     at java.io.ObjectOutputStream.writeObject0 (ObjectOutputStream.java
> > :1073)
> >     at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java
> :291)
> >     at wicket.util.lang.Objects.cloneObject(Objects.java:407)
> >     ... 31 more
> >
> -------------------------------------------------------------------------
> > This SF.net email is sponsored by: Splunk Inc.
> > Still grepping through log files to find problems?  Stop.
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> Wicket user list. Send a message to: "users-subscribe at wicket.apache.org"
> and follow the instructions.
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> > https://lists.sourceforge.net/lists/listinfo/wicket-user
> >
>
>
> --
> Wicket joins the Apache Software Foundation as Apache Wicket
> Apache Wicket 1.3.0-beta2 is released
> Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.3.0-beta2/
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Splunk Inc.
> Still grepping through log files to find problems?  Stop.
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> _______________________________________________
> IMPORTANT NOTICE:
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> This mailing list is shutting down. Please subscribe to the Apache Wicket
> user list. Send a message to: "users-subscribe at wicket.apache.org" and
> follow the instructions.
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>

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[Eelco Hillenius]

> 2007-07-30 12:25:45:437 ERROR wicket.markup.html.WebPage
> [http-8080-Processor25] - Page [Page class =
> com.xmltravel.fab1.wicket.flights.FlightSearchResultPage , id = 1] couldn't
> be cloned to move to another pagemap
> wicket.WicketRuntimeException: Internal error cloning object
>     at wicket.util.lang.Objects.cloneObject(Objects.java:466)
>     at wicket.markup.html.WebPage.onNewBrowserWindow (WebPage.java:344)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(
> NativeMethodAccessorImpl.java:39)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke (
> DelegatingMethodAccessorImpl.java:25)
>     at java.lang.reflect.Method.invoke(Method.java:585)
>     at wicket.RequestListenerInterface.invoke(RequestListenerInterface.java
> :187)
>     at
> wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents(
> ListenerInterfaceRequestTarget.java:74)
>     at wicket.request.compound.DefaultEventProcessorStrategy.processEvents(
> DefaultEventProcessorStrategy.java:65)
>     at

It tries to clone the current page for use in another window. It looks
like that spider makes Wicket think the requests are for new windows
all the time. You could try
getPageSettings().setAutomaticMultiWindowSupport(false) in your
application (false by default in 1.3 btw).

Eelco

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[Dipu-3]

aaah, thank you very much Eelco, you guys rock !

Cheers
Dipu

On 7/30/07, Eelco Hillenius <eelco.hillenius@...> wrote:

>
> > 2007-07-30 12:25:45:437 ERROR wicket.markup.html.WebPage
> > [http-8080-Processor25] - Page [Page class =
> > com.xmltravel.fab1.wicket.flights.FlightSearchResultPage , id = 1]
> couldn't
> > be cloned to move to another pagemap
> > wicket.WicketRuntimeException: Internal error cloning object
> >     at wicket.util.lang.Objects.cloneObject(Objects.java:466)
> >     at wicket.markup.html.WebPage.onNewBrowserWindow (WebPage.java:344)
> >     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> >     at sun.reflect.NativeMethodAccessorImpl.invoke(
> > NativeMethodAccessorImpl.java:39)
> >     at sun.reflect.DelegatingMethodAccessorImpl.invoke (
> > DelegatingMethodAccessorImpl.java:25)
> >     at java.lang.reflect.Method.invoke(Method.java:585)
> >     at wicket.RequestListenerInterface.invoke(
> RequestListenerInterface.java
> > :187)
> >     at
> >
> wicket.request.target.component.listener.ListenerInterfaceRequestTarget.processEvents
> (
> > ListenerInterfaceRequestTarget.java:74)
> >     at
> wicket.request.compound.DefaultEventProcessorStrategy.processEvents(
> > DefaultEventProcessorStrategy.java:65)
> >     at
>
> It tries to clone the current page for use in another window. It looks
> like that spider makes Wicket think the requests are for new windows
> all the time. You could try
> getPageSettings().setAutomaticMultiWindowSupport(false) in your
> application (false by default in 1.3 btw).
>
> Eelco
>
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