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via Stack Overflow by learner
, 1 year ago
DataModel must implement org.primefaces.model.SelectableDataModel when selection is enabled.
via GitHub by lucasgueiros
, 1 year ago
DataModel must implement org.primefaces.model.SelectableDataModel when selection is enabled.
javax.faces.FacesException: DataModel must implement org.primefaces.model.SelectableDataModel when selection is enabled.	at org.primefaces.component.datatable.DataTable.getRowKeyFromModel(DataTable.java:922)	at org.primefaces.component.datatable.DataTableRenderer.encodeRow(DataTableRenderer.java:739)	at org.primefaces.component.datatable.DataTableRenderer.encodeTbody(DataTableRenderer.java:651)	at org.primefaces.component.datatable.DataTableRenderer.encodeRegularTable(DataTableRenderer.java:234)	at org.primefaces.component.datatable.DataTableRenderer.encodeMarkup(DataTableRenderer.java:196)	at org.primefaces.component.datatable.DataTableRenderer.encodeEnd(DataTableRenderer.java:82)	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:875)	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)	at com.sun.faces.context.PartialViewContextImpl$PhaseAwareVisitCallback.visit(PartialViewContextImpl.java:517)	at com.sun.faces.component.visit.PartialVisitContext.invokeVisitCallback(PartialVisitContext.java:183)	at org.primefaces.component.api.UIData.visitTree(UIData.java:639)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623)	at javax.faces.component.UIForm.visitTree(UIForm.java:362)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623)	at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623)	at com.sun.faces.context.PartialViewContextImpl.processComponents(PartialViewContextImpl.java:378)	at com.sun.faces.context.PartialViewContextImpl.processPartial(PartialViewContextImpl.java:298)	at javax.faces.context.PartialViewContextWrapper.processPartial(PartialViewContextWrapper.java:183)	at javax.faces.component.UIViewRoot.encodeChildren(UIViewRoot.java:979)	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779)	at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:411)	at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:124)	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:79)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)	at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1822)	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)