Hi,
I think you'll need to use a DetachableModel and load & unload your
datasource to stop it being serialized -
http://www.wicket-wiki.org.uk/wiki/index.php/Models#Detachable_Models
should get you started.
/Gwyn
On 24/05/06, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
Hi,
I am new for Wicket framework.
I am developing a web application using Wicket. My problem is when I fetch
the data from data base by using data source in Tomcat5.x, I got all data
from data base. after that the display page its throwing an exception.
Please reply to me.
Wicket Message: Internal error cloning object. Make sure all dependent
objects implement Serializable. Class:
com.tsystems.bamview.web.report.CallsTotal
Root cause:
java.io.NotSerializableException:
org.apache.tomcat.dbcp.dbcp.PoolingDataSource$PoolGuardConnectionWrapper
at java.io.ObjectOutputStream.writeObject0(Unknown
Source)
at
java.io.ObjectOutputStream.defaultWriteFields(Unknown
Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown
Source)
at
java.io.ObjectOutputStream.writeOrdinaryObject(Unknown
Source)
at java.io.ObjectOutputStream.writeObject0(Unknown
Source)
at
java.io.ObjectOutputStream.defaultWriteFields(Unknown
Source)
at java.io.ObjectOutputStream.writeSerialData(Unknown
Source)
at
java.io.ObjectOutputStream.writeOrdinaryObject(Unknown
Source)
at java.io.ObjectOutputStream.writeObject0(Unknown
Source)
at java.io.ObjectOutputStream.writeObject(Unknown
Source)
at
wicket.protocol.http.HttpSessionStore.setAttribute(HttpSessionStore.java:56)
at wicket.Session.setAttribute(Session.java:914)
at wicket.PageMap.put(PageMap.java:519)
at wicket.Session.touch(Session.java:720)
at wicket.Page.renderPage(Page.java:422)
at
wicket.request.target.component.BookmarkablePageRequestTarget.respond(BookmarkablePageRequestTarget.java:224)
at
wicket.request.compound.DefaultResponseStrategy.respond(DefaultResponseStrategy.java:49)
at
wicket.request.compound.AbstractCompoundRequestCycleProcessor.respond(AbstractCompoundRequestCycleProcessor.java:66)
at
wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:852)
at
wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:879)
at wicket.RequestCycle.step(RequestCycle.java:960)
at wicket.RequestCycle.steps(RequestCycle.java:1034)
at wicket.RequestCycle.request(RequestCycle.java:453)
at
wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:215)
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:856)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:744)
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(Unknown Source)
Complete stack:
wicket.WicketRuntimeException: Internal error cloning object. Make sure all
dependent objects implement Serializable. Class:
com.tsystems.bamview.web.report.CallsTotal
at
wicket.protocol.http.HttpSessionStore.setAttribute(HttpSessionStore.java:62)
at wicket.Session.setAttribute(Session.java:914)
at wicket.PageMap.put(PageMap.java:519)
at wicket.Session.touch(Session.java:720)
at wicket.Page.renderPage(Page.java:422)
at
wicket.request.target.component.BookmarkablePageRequestTarget.respond(BookmarkablePageRequestTarget.java:224)
at
wicket.request.compound.DefaultResponseStrategy.respond(DefaultResponseStrategy.java:49)
at
wicket.request.compound.AbstractCompoundRequestCycleProcessor.respond(AbstractCompoundRequestCycleProcessor.java:66)
at
wicket.RequestCycle.doProcessEventsAndRespond(RequestCycle.java:852)
at
wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:879)
at wicket.RequestCycle.step(RequestCycle.java:960)
at wicket.RequestCycle.steps(RequestCycle.java:1034)
at wicket.RequestCycle.request(RequestCycle.java:453)
at
wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:215)
Thanks and Regards
Mohan P
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