do you have more stacktrace like Cause : xxxxx
On Thu, May 15, 2008 at 11:22 AM, Sergey Podatelev <
[EMAIL PROTECTED]> wrote:
> Hello,
>
> I have a custom error page BaseErrorPage:
>
> public class BaseErrorPage extends WebPage {
>
> private final static long serialVersionUID = 1L;
>
> public BaseErrorPage() {
> super();
> }
>
> protected void configureResponse() {
> String acceptHeader = getWebRequestCycle().getWebRequest().
> getHttpServletRequest().getHeader("Accept");
>
> String contentType = ";charset=UTF-8";
>
> if (acceptHeader.contains("application/xhtml+xml")) {
> contentType = "application/xhtml+xml" + contentType;
> } else {
> contentType = "text/html" + contentType;
> }
> getResponse().setContentType(contentType);
> }
> }
>
> It's configured to be displayed in case of a runtime exception:
>
> MyApplication.init():
>
> ...
> getApplicationSettings().setInternalErrorPage(BaseErrorPage.class);
>
> getExceptionSettings().setUnexpectedExceptionDisplay(IExceptionSettings.SHOW_INTERNAL_ERROR_PAGE);
> ...
>
> I'm testing what happens if MySQL server goes down.
> When it happens, first I got a SocketException which is caught and
> BaseErrorPage is displayed.
> But if I wait for a while (perhaps, until session expires?), I get just a
> blank page in browser and in server log I see the following:
>
> unexpected exception when handling another exception: Can't instantiate
> page
> using constructor public com.mycorp.myapp.web.page.BaseErrorPage()
> org.apache.wicket.WicketRuntimeException: Can't instantiate page using
> constructor public com.mycorp.myapp.web.page.BaseErrorPage()
> at
>
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:168)
> at
>
> org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:58)
> at
>
> org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.newPage(BookmarkablePageRequestTarget.java:262)
> at
>
> org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.getPage(BookmarkablePageRequestTarget.java:283)
> at
>
> org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.respond(BookmarkablePageRequestTarget.java:231)
> at
>
> org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:104)
> at org.apache.wicket.RequestCycle.respond(RequestCycle.java:1181)
> ...
>
> Why does this happen and how can I prevent this?
> I checked the DefaultPageFactory source and found that there's either an
> Abort-, Initialization- or MarkupException, but I'm not sure how to deal
> with any of those.
>
> --
> sp
>
