Just in case:
i recently had exactly the same problem. It turned out that it is not
related to Wicket at all.
Do you use a Java8 JDK? Do you compile for Java7?
The PermGen Exception happens at random times [*], always at the same
line in the code. Hence you assume you have some faulty code there.
But it is a JDK 8 -> 7 compatibility mode issue, not Wicket.
Before losing lots of hours (like i did) just check the settings of your
IDE.
[*] under Windows 64bit twice as often as under Linux.
HTH
Christos
Am Wednesday, den 18.11.2015, 11:56 -0500 schrieb Mihir Chhaya:
> Martin, Yes. I am using Wicket 7.00.
>
> On Wed, Nov 18, 2015 at 11:55 AM, Mihir Chhaya <mihir.chh...@gmail.com>
> wrote:
>
> > First, Thanks Francois for your quick looking into this.
> >
> > The SearchDealerPage is created as below. The link is menu option.
> >
> > BookmarkablePageLink<String> dealerInquiryLink = new
> > BookmarkablePageLink<String>("dealerInquiryLink", SearchDealerPage.class,
> > searchPageParameters);
> >
> >
> > Thanks,
> >
> > -Mihir.
> >
> >
> > On Wed, Nov 18, 2015 at 11:50 AM, Francois Meillet <
> > francois.meil...@gmail.com> wrote:
> >
> >> Sorry, it's seems that there is a problem when you instanciate the
> >> SearchDealerPage instance
> >>
> >> How you instanciate it ?
> >>
> >> François
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >> Le 18 nov. 2015 à 17:46, Mihir Chhaya <mihir.chh...@gmail.com> a écrit :
> >>
> >> > Following are AbcUserSearchTO and AbcUser classes with DomainObject
> >> > implementation.
> >> >
> >> > public interface DomainObject extends Serializable {
> >> >
> >> > Long getId();
> >> > }
> >> >
> >> > public class AbcUserSearchTO implements DomainObject {
> >> >
> >> > /**
> >> > *
> >> > */
> >> > private static final long serialVersionUID = 1L;
> >> >
> >> > /* (non-Javadoc)
> >> > * @see gov.fdle.fpp.domain.DomainObject#getId()
> >> > */
> >> > @Override
> >> > public Long getId() {
> >> > return null;
> >> > }
> >> > private String searchName;
> >> > private String searchDealer;
> >> >
> >> > /**
> >> > * @return the lastName
> >> > */
> >> > public String getSearchName() {
> >> > return searchName;
> >> > }
> >> >
> >> > /**
> >> > * @param name the lastName to set
> >> > */
> >> > public void setSearchName(String name) {
> >> > if (name == null){
> >> > name = FppConstants.EMPTY_STRING;
> >> > }
> >> > this.searchName = name;
> >> > }
> >> >
> >> > /**
> >> > * @return the searchDealer
> >> > */
> >> > public String getSearchDealer() {
> >> > return searchDealer;
> >> > }
> >> >
> >> > /**
> >> > * @param searchDealer the searchDealer to set
> >> > */
> >> > public void setSearchDealer(String searchDealer) {
> >> > this.searchDealer = searchDealer;
> >> > }
> >> > }
> >> >
> >> >
> >> > public class AbcUser implements DomainObject {
> >> >
> >> > private static final long serialVersionUID = 1L;
> >> > public Long getId() {
> >> > return null;
> >> > }
> >> >
> >> > //ASM fields
> >> > private long userNbr;
> >> > private String userName;
> >> > private String password;
> >> > private String firstName;
> >> > private String lastName;
> >> > ...setter
> >> > ....getter
> >> >
> >> > }
> >> >
> >> > On Wed, Nov 18, 2015 at 11:43 AM, Francois Meillet <
> >> > francois.meil...@gmail.com> wrote:
> >> >
> >> >> and the abcUserSearchTO ?
> >> >>
> >> >>
> >> >> François
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >>
> >> >> Le 18 nov. 2015 à 17:40, Mihir Chhaya <mihir.chh...@gmail.com> a
> >> écrit :
> >> >>
> >> >>> Here is SearchDealerPage.
> >> >>>
> >> >>> package gov.xyz.abc.view.asm;
> >> >>>
> >> >>> import gov.xyz.abc.business.AsmAdminService;
> >> >>> import gov.xyz.abc.common.AppSession;
> >> >>> import gov.xyz.abc.common.AuthenticatedPage;
> >> >>> import gov.xyz.abc.common.DealerDetails;
> >> >>> import gov.xyz.abc.common.abcException;
> >> >>> import gov.xyz.abc.model.abcUser;
> >> >>> import gov.xyz.abc.model.abcUserSearchTO;
> >> >>> import gov.xyz.abc.util.DefaultFocusBehavior;
> >> >>> import gov.xyz.abc.util.abcConstants;
> >> >>> import gov.xyz.abc.util.abcErrConstant;
> >> >>> import gov.xyz.abc.util.abcUtils;
> >> >>> import gov.xyz.wktcommon.components.ErroringTextField;
> >> >>>
> >> >>> import org.apache.commons.lang3.StringUtils;
> >> >>> import org.apache.wicket.ajax.AjaxRequestTarget;
> >> >>> import org.apache.wicket.ajax.markup.html.form.AjaxButton;
> >> >>> import org.apache.wicket.markup.html.basic.Label;
> >> >>> import org.apache.wicket.markup.html.form.Form;
> >> >>> import org.apache.wicket.model.CompoundPropertyModel;
> >> >>> import org.apache.wicket.model.Model;
> >> >>> import org.apache.wicket.request.mapper.parameter.PageParameters;
> >> >>> import org.apache.wicket.spring.injection.annot.SpringBean;
> >> >>> import org.apache.wicket.validation.validator.StringValidator;
> >> >>>
> >> >>>
> >> >>> /**
> >> >>> * Search Dealer Page.
> >> >>> *
> >> >>> * @author Pavankumar Appana
> >> >>> * @since 08/05/2011
> >> >>> */
> >> >>> public class SearchDealerPage extends AuthenticatedPage {
> >> >>>
> >> >>> /**
> >> >>> *
> >> >>> */
> >> >>> private static final long serialVersionUID = 1L;
> >> >>> @SpringBean
> >> >>> private AsmAdminService adminService;
> >> >>> private AbcUserSearchTO abcUserSearch;
> >> >>> private AbcUser abcUser = null;
> >> >>>
> >> >>> //callingFromWhichScreen flag is to indicate whether this screen is
> >> >>> called for dealer information or dealer update.
> >> >>> //Set callingFromWhichScreen to "update" for dealer update, "search"
> >> >>> for dealer information while calling.
> >> >>> public SearchDealerPage(PageParameters pageParameters) {
> >> >>> final String callingFromWhichScreen =
> >> >>> pageParameters.get(abcConstants.PARAM_CALLING_SCREEN).toString();
> >> >>>
> >> >>> abcUserSearch = new abcUserSearchTO();
> >> >>>
> >> >>> //Search Form
> >> >>> final Form<AbcUserSearchTO> searchForm =
> >> >>> new Form<AbcUserSearchTO>("searchForm", new
> >> >>> CompoundPropertyModel<AbcUserSearchTO>(abcUserSearch));
> >> >>> searchForm.setOutputMarkupId(true);
> >> >>> searchForm.setMarkupId("searchFormId");
> >> >>> add(searchForm);
> >> >>> final Label pagetitle = new Label("pageTitle", new
> >> >> Model<String>());
> >> >>>
> >> >>> if (abcConstants.UPDATE_SCREEN.equals(callingFromWhichScreen)) {
> >> >>> pagetitle.setDefaultModelObject("Search Dealer");
> >> >>>
> >> >>> } else if
> >> >>> (abcConstants.SEARCH_SCREEN.equals(callingFromWhichScreen)) {
> >> >>> pagetitle.setDefaultModelObject("Dealer Inquiry");
> >> >>> }
> >> >>>
> >> >>> add(pagetitle);
> >> >>>
> >> >>> final ErroringTextField<String> dealerIDFld = new
> >> >>> ErroringTextField<String>("searchDealer");
> >> >>> dealerIDFld.setOutputMarkupId(true);
> >> >>> dealerIDFld.setMarkupId("searchDealer");
> >> >>> dealerIDFld.setRequired(true);
> >> >>> dealerIDFld.add(StringValidator.minimumLength(2));
> >> >>> dealerIDFld.add(new DefaultFocusBehavior());
> >> >>>
> >> >>> if (dealerIDFld.getSizeInBytes() < 5) {
> >> >>>
> >> >>> dealerIDFld.add(abcUtils.getIntegerPatternValidator());
> >> >>> }
> >> >>>
> >> >>> searchForm.add(dealerIDFld);
> >> >>>
> >> >>>
> >> >>> final AjaxButton searchSubmitButton = new AjaxButton("search") {
> >> >>> private static final long serialVersionUID = 1L;
> >> >>>
> >> >>> @Override
> >> >>> protected void onSubmit(AjaxRequestTarget target, Form<?>
> >> >> form)
> >> >>> {
> >> >>> sbpanel.saveState();
> >> >>> try {
> >> >>> if (dealerIDFld.getValue().length() > 5) {
> >> >>> abcUser =
> >> >>> adminService.getDealerByDealerFFL(dealerIDFld.getInput());
> >> >>>
> >> >>> } else if (abcUserSearch.getSearchDealer() != null
> >> &&
> >> >>> !"".equals(abcUserSearch.getSearchDealer())) {
> >> >>>
> >> >>> abcUser =
> >> >>>
> >> >>
> >> adminService.getDealerByDealerId(StringUtils.leftPad(abcUserSearch.getSearchDealer(),
> >> >>> 5, '0'));
> >> >>> //abcUser =
> >> >>> adminService.getDealerByDealerId(dealerIDFld.getInput());
> >> >>> }
> >> >>>
> >> >>> if (abcUser == null) {
> >> >>> if (dealerIDFld.getValue().length() <= 5)
> >> >>> form.error("Dealer does not exist with
> >> entered
> >> >>> Dealer ID, please search again with different Dealer ID.");
> >> >>> else
> >> >>> form.error("Dealer does not exist with
> >> entered
> >> >>> FFL#, please search again with different FFL#.");
> >> >>> target.add(form);
> >> >>> } else {
> >> >>> if
> >> >>> (abcConstants.UPDATE_SCREEN.equals(callingFromWhichScreen)) {
> >> >>> PageParameters pageParameters = new
> >> >>> PageParameters();
> >> >>>
> >> >>> pageParameters.set("abcUser", abcUser);
> >> >>>
> >> >>> DealerDetails dealerDetails = new
> >> >>> DealerDetails();
> >> >>>
> >> >>> dealerDetails.setFflNumber(abcUser.getFflNumber());
> >> >>>
> >> >>> dealerDetails.setDealerNumber(abcUser.getDealerNumber());
> >> >>> ((AppSession)
> >> >>> getSession()).setDealerDetails(dealerDetails);
> >> >>>
> >> >>> setResponsePage(new
> >> >> ManageDealerPage(abcUser));
> >> >>>
> >> >>> } else if
> >> >>> (abcConstants.SEARCH_SCREEN.equals(callingFromWhichScreen)) {
> >> >>> setResponsePage(new
> >> >>> DealerInformationPage(abcUser));
> >> >>> }
> >> >>> }
> >> >>>
> >> >>> } catch (abcException abcException) {
> >> >>> if
> >> >>> (abcException.getMessage().contains(abcErrConstant.INVALID_INPUT) ||
> >> >>> abcException.getMessage().contains(abcErrConstant.NONNUMERIC_INPUT)) {
> >> >>> sbpanel.saveError(this, new
> >> abcException("Invalid
> >> >>> Dealer ID entered. Only numbers are allowed."));
> >> >>> } else {
> >> >>> sbpanel.saveError(this, new abcException("Error
> >> >>> when searching Dealer. Make sure you have entered valid dealer Id."));
> >> >>> }
> >> >>> }
> >> >>> }
> >> >>>
> >> >>> @Override
> >> >>> protected void onError(AjaxRequestTarget target, Form<?>
> >> >> form) {
> >> >>> super.onError(target, form);
> >> >>> target.add(searchForm);
> >> >>> target.add(sbpanel);
> >> >>> }
> >> >>>
> >> >>> };
> >> >>> searchSubmitButton.setMarkupId("searchBtn");
> >> >>> searchForm.setDefaultButton(searchSubmitButton);
> >> >>> searchForm.add(searchSubmitButton);
> >> >>>
> >> >>> //Reset Button
> >> >>> searchForm.add(new AjaxButton("searchClear") {
> >> >>> private static final long serialVersionUID = 1L;
> >> >>>
> >> >>> @Override
> >> >>> protected void onSubmit(AjaxRequestTarget target, Form<?>
> >> >> form)
> >> >>> {
> >> >>> sbpanel.saveState();
> >> >>>
> >> >>> PageParameters pageParameters = new PageParameters();
> >> >>> pageParameters.set(abcConstants.PARAM_CALLING_SCREEN,
> >> >>> callingFromWhichScreen);
> >> >>>
> >> >>> AbcUserSearchTO AbcUserSearchTO =
> >> >>> searchForm.getModelObject();
> >> >>> AbcUserSearchTO.setSearchName("");
> >> >>>
> >> >>> setResponsePage(new SearchDealerPage(pageParameters));
> >> >>> }
> >> >>> }.setDefaultFormProcessing(false).setMarkupId("srchClearBtn"));
> >> >>> }
> >> >>> }
> >> >>>
> >> >>> On Wed, Nov 18, 2015 at 11:28 AM, Francois Meillet <
> >> >>> francois.meil...@gmail.com> wrote:
> >> >>>
> >> >>>> Could you show us the SearchDealerPage code
> >> >>>>
> >> >>>> François
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>>
> >> >>>> Le 18 nov. 2015 à 17:25, Mihir Chhaya <mihir.chh...@gmail.com> a
> >> écrit
> >> >> :
> >> >>>>
> >> >>>>> Hello,
> >> >>>>>
> >> >>>>> I am using Wicket 7 + Spring 4.x + Hibernate 4.x (recently migrated
> >> >> from
> >> >>>>> Wicket 1.4).
> >> >>>>>
> >> >>>>> Since deployment of the app on JBOSS, the application is crashing
> >> with
> >> >>>>> OutOfMemory error for PermGen. We are at the point of rolling back
> >> to
> >> >> 1.4
> >> >>>>> as application was working fine without such issue; doesn't
> >> necessarily
> >> >>>>> mean Wicket 7 is an issue. There is OutOfMemory error reported with
> >> >>>>> Wicket+Spring for Wicket 6.20, but the issue status shows fixed.
> >> >>>>>
> >> >>>>> JBOSS application server PermGen is 512MB, so doesn't seem that be
> >> an
> >> >>>> issue.
> >> >>>>>
> >> >>>>> Here is the stacktrace (First and Second). Second seems to be the
> >> >> result
> >> >>>> of
> >> >>>>> First one.
> >> >>>>>
> >> >>>>> Could anybody shade some light? I ran with some load on my local
> >> >> (tomcat
> >> >>>> as
> >> >>>>> well as on JBOSS) and monitored using VisualVM. PermGen is remaining
> >> >>>>> between 20 and 100 MB.
> >> >>>>>
> >> >>>>>
> >> >>>>> First
> >> >>>>> =========
> >> >>>>> 16:29:19,808 ERROR
> >> >>>>>
> >> >>>>
> >> >>
> >> [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/fes].[default]]
> >> >>>>> (http-/162.143.93.98:8543-34) JBWEB000236: Servlet.service() for
> >> >> servlet
> >> >>>>> default threw exception: java.lang.OutOfMemoryError: PermGen space
> >> >>>>> at sun.misc.Unsafe.defineClass(Native Method) [rt.jar:1.7.0_75]
> >> >>>>> at sun.reflect.ClassDefiner.defineClass(ClassDefiner.java:63)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:399)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> sun.reflect.MethodAccessorGenerator$1.run(MethodAccessorGenerator.java:396)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at java.security.AccessController.doPrivileged(Native Method)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> sun.reflect.MethodAccessorGenerator.generate(MethodAccessorGenerator.java:395)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> sun.reflect.MethodAccessorGenerator.generateSerializationConstructor(MethodAccessorGenerator.java:113)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> sun.reflect.ReflectionFactory.newConstructorForSerialization(ReflectionFactory.java:331)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> java.io.ObjectStreamClass.getSerializableConstructor(ObjectStreamClass.java:1376)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at java.io.ObjectStreamClass.access$1500(ObjectStreamClass.java:72)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:493)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:468)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at java.security.AccessController.doPrivileged(Native Method)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:468)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:365)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1133)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>
> >> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1377)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1173)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>
> >> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1547)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>
> >> java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1508)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1431)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >> java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1177)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:347)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.serialize.java.JavaSerializer$SerializationCheckerObjectOutputStream.writeObjectOverride(JavaSerializer.java:260)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>>
> >> >>>>>
> >> >>>>> Second:
> >> >>>>> =======
> >> >>>>> 16:24:22,674 ERROR [org.apache.wicket.DefaultExceptionMapper]
> >> >>>>> (http-/162.143.93.97:8543-14) Unexpected error occurred:
> >> >>>>> org.apache.wicket.WicketRuntimeException: Can't instantiate page
> >> using
> >> >>>>> constructor 'public
> >> >>>>>
> >> >>>>
> >> >>
> >> gov.xyz.abc.view.asm.SearchDealerPage(org.apache.wicket.request.mapper.parameter.PageParameters)'
> >> >>>>> and argument 'callingFromWhichScreen=[search]'. An exception has
> >> been
> >> >>>>> thrown during construction!
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:194)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:99)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.DefaultMapperContext.newPageInstance(DefaultMapperContext.java:106)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.core.request.handler.PageProvider.resolvePageInstance(PageProvider.java:271)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.core.request.handler.PageProvider.getPageInstance(PageProvider.java:169)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.request.handler.render.PageRenderer.getPage(PageRenderer.java:78)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.request.handler.render.WebPageRenderer.isPageStateless(WebPageRenderer.java:287)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.request.handler.render.WebPageRenderer.shouldRenderPageAndWriteResponse(WebPageRenderer.java:329)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:193)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.core.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:175)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.core.request.handler.RequestSettingRequestHandler.respond(RequestSettingRequestHandler.java:78)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:865)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
> >> >>>>> [wicket-request-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:284)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.jboss.modcluster.container.jbossweb.JBossWebContext$RequestListenerValve.event(JBossWebContext.java:91)
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.jboss.modcluster.container.jbossweb.JBossWebContext$RequestListenerValve.invoke(JBossWebContext.java:72)
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.jboss.as.web.session.ClusteredSessionValve.handleRequest(ClusteredSessionValve.java:134)
> >> >>>>> [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.jboss.as.web.session.ClusteredSessionValve.invoke(ClusteredSessionValve.java:99)
> >> >>>>> [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
> >> >>>>> at
> >> org.jboss.as.web.session.JvmRouteValve.invoke(JvmRouteValve.java:92)
> >> >>>>> [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
> >> >>>>> at
> >> org.jboss.as.web.session.LockingValve.invoke(LockingValve.java:64)
> >> >>>>> [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)
> >> >>>>> [jboss-as-web-7.2.0.Final-redhat-8.jar:7.2.0.Final-redhat-8]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:880)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:607)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at
> >> >>>>
> >> org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:2036)
> >> >>>>> [jbossweb-7.2.0.Final-redhat-1.jar:7.2.0.Final-redhat-1]
> >> >>>>> at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_75]
> >> >>>>> Caused by: java.lang.reflect.InvocationTargetException
> >> >>>>> at sun.reflect.GeneratedConstructorAccessor281.newInstance(Unknown
> >> >>>> Source)
> >> >>>>> [:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
> >> >>>>> [rt.jar:1.7.0_75]
> >> >>>>> at
> >> >>>>>
> >> >>>>
> >> >>
> >> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:171)
> >> >>>>> [wicket-core-7.0.0.jar:7.0.0]
> >> >>>>> Thanks,
> >> >>>>> -Mihir.
> >> >>>>
> >> >>>>
> >> >>
> >> >>
> >>
> >>
> >
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