An ace:dataTable uses lazy loading and one of the columns is uses filtering. When a filterValue is set on the ace:column, an OutOfMemoryError exception is thrown when reloading the page or navigating away to a new page and back to the page with the data table.

java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2245)
at java.util.Arrays.copyOf(Arrays.java:2219)
at java.util.ArrayList.grow(ArrayList.java:242)
at java.util.ArrayList.ensureExplicitCapacity(ArrayList.java:216)
at java.util.ArrayList.ensureCapacityInternal(ArrayList.java:208)
at java.util.ArrayList.add(ArrayList.java:440)
at org.icefaces.ace.component.datatable.DataTable.processFilters(DataTable.java:1516)
at org.icefaces.ace.component.datatable.DataTableRenderer.encodeEnd(DataTableRenderer.java:116)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:877)
at org.icefaces.ace.renderkit.CoreRenderer.renderChild(CoreRenderer.java:86)
at org.icefaces.ace.renderkit.CoreRenderer.renderChildren(CoreRenderer.java:70)
at org.icefaces.ace.component.panel.PanelRenderer.encodeContent(PanelRenderer.java:236)
at org.icefaces.ace.component.panel.PanelRenderer.encodeMarkup(PanelRenderer.java:135)
at org.icefaces.ace.component.panel.PanelRenderer.encodeEnd(PanelRenderer.java:73)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:877)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1826)
at javax.faces.render.Renderer.encodeChildren(Renderer.java:168)
at org.icefaces.impl.renderkit.RendererWrapper.encodeChildren(RendererWrapper.java:49)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:847)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1819)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1822)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1822)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:447)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:125)
at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:286)
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.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)