The hierarchy is DocumentSearchPanel extends BootstrapGenericPanel -> BodyPanel
extends GenericPanel -> BootstrapForm -> FormGroup -> ClassificationPanel.
ClassificationPanel is an anonymous class of DocumentSearchPanel.
> On Jan 23, 2023, at 10:19 AM, Martin Grigorov <mgrigo...@apache.org> wrote:
>
> Hi,
>
> On Mon, Jan 23, 2023 at 5:09 PM Eric Hamel <eric.ha...@albanyitg.com> wrote:
>
>> Good morning,
>>
>> We are running into intermittent issues on our WebSphere 8.5 environment.
>> The server keeps crashing and we see no cause in our logs. With that said,
>> admins have seen the following error in our logs and I can’t make sense out
>> of it.
>>
>> 07:48:51.632 ERROR [CVIENS | 10.79.49.41 | 5uRaDK6Hu4gj0ABIXyNTo76]
>> o.a.wicket.DefaultExceptionMapper [DefaultExceptionMapper.java:170] -
>> Unexpected error occurred
>> java.lang.ClassCastException:
>> gov.osc.ouf.web.components.document.search.DocumentSearchPanel$ClassificationsPanel$1
>> incompatible with org.apache.wicket.markup.html.form.FormComponent
>> at
>> de.agilecoders.wicket.core.markup.html.bootstrap.form.FormGroup.findFormComponents(FormGroup.java:255)
>> ~[wicket-bootstrap-core-0.9.22.jar:0.9.22]
>> at
>> de.agilecoders.wicket.core.markup.html.bootstrap.form.FormGroup.onInitialize(FormGroup.java:175)
>> ~[wicket-bootstrap-core-0.9.22.jar:0.9.22]
>> at
>> org.apache.wicket.Component.fireInitialize(Component.java:877)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.MarkupContainer$3.component(MarkupContainer.java:967)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.MarkupContainer$3.component(MarkupContainer.java:963)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:144)
>> ~[wicket-util-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:162)
>> ~[wicket-util-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:162)
>> ~[wicket-util-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:162)
>> ~[wicket-util-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:123)
>> ~[wicket-util-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:192)
>> ~[wicket-util-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:875)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.MarkupContainer.internalInitialize(MarkupContainer.java:962)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at org.apache.wicket.Page.isPageStateless(Page.java:463)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.core.request.mapper.AbstractBookmarkableMapper.getPageInfo(AbstractBookmarkableMapper.java:465)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.core.request.mapper.AbstractBookmarkableMapper.mapHandler(AbstractBookmarkableMapper.java:409)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.core.request.mapper.MountedMapper.mapHandler(MountedMapper.java:395)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.request.mapper.CompoundRequestMapper.mapHandler(CompoundRequestMapper.java:215)
>> ~[wicket-request-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.request.cycle.RequestCycle.mapUrlFor(RequestCycle.java:429)
>> [wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.request.handler.render.WebPageRenderer.respond(WebPageRenderer.java:281)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.core.request.handler.RenderPageRequestHandler.respond(RenderPageRequestHandler.java:175)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:890)
>> ~[wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64)
>> ~[wicket-request-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:261)
>> [wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:218)
>> [wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:289)
>> [wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:259)
>> [wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:201)
>> [wicket-core-6.24.0.jar:6.24.0]
>> at
>> org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:282)
>> [wicket-core-6.24.0.jar:6.24.0]
>> at
>> com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:195)
>> [com.ibm.ws.webcontainer.jar:na]
>> at
>> com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:91)
>> [com.ibm.ws.webcontainer.jar:na]
>> at
>> com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:967)
>> [com.ibm.ws.webcontainer.jar:na]
>> at
>> com.ibm.ws.webcontainer.filter.WebAppFilterManager.invokeFilters(WebAppFilterManager.java:1107)
>> [com.ibm.ws.webcontainer.jar:na]
>> at
>> com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:4075)
>> [com.ibm.ws.webcontainer.jar:na]
>> at
>> com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:304)
>> [com.ibm.ws.webcontainer.jar:na]
>> at
>> com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1019)
>> [com.ibm.ws.webcontainer.jar:na]
>> at
>> com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1817)
>> [com.ibm.ws.webcontainer.jar:na]
>> at
>> com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:213)
>> [com.ibm.ws.webcontainer.jar:na]
>> at
>> com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:463)
>> [com.ibm.ws.runtime.jar:na]
>> at
>> com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewRequest(HttpInboundLink.java:530)
>> [com.ibm.ws.runtime.jar:na]
>> at
>> com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.processRequest(HttpInboundLink.java:316)
>> [com.ibm.ws.runtime.jar:na]
>> at
>> com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:88)
>> [com.ibm.ws.runtime.jar:na]
>> at
>> com.ibm.ws.ssl.channel.impl.SSLReadServiceContext$SSLReadCompletedCallback.complete(SSLReadServiceContext.java:1833)
>> [com.ibm.ws.runtime.jar:na]
>> at
>> com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:558)
>> [na:CCX.CF [o1800.01]]
>> at
>> com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:608)
>> [na:CCX.CF [o1800.01]]
>> at
>> com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:985)
>> [na:CCX.CF [o1800.01]]
>> at
>> com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1074)
>> [na:CCX.CF [o1800.01]]
>> at
>> com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)
>> [com.ibm.ws.runtime.jar:na]
>>
>> We are getting a ClassCastException on ClassificationPanel being
>> incompatible with FormComponent, however ClassificationPanel extends
>> FormComponentPanel
>>
>
> ClassificationsPanel$1 is the first anonymous class defined inside
> ClassificationPanel!
>
>
>>
>> class ClassificationsPanel extends
>> FormComponentPanel<SimpleImageSearchCriteria> {
>>
>> ...
>>
>> }
>>
>> I’m sure there’s a simple answer here but I’m not seeing it. It’s only
>> happening on WebSphere and are not seeing this behavior on test Jetty
>> environment. We are using Apache Wicket 6.24.0 and Wicket-Bootstrap 0.9.22.
>> Any insight would be appreciated.
>>
>> Thank you
>> Eric H.
>>
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