A NullPointerException was seen randomly after 3-10 minutes after the QA memory test starts. The error message is quite similar to the one reported for auction / Browser Memory Test two days ago:

java.lang.NullPointerException
    at org.icefaces.impl.application.WindowScopeManager$ScopeMap.access$300(WindowScopeManager.java:320)
    at org.icefaces.impl.application.WindowScopeManager.lookupWindowScope(WindowScopeManager.java:100)
    at org.icefaces.impl.application.WindowELResolver.getScope(WindowELResolver.java:66)
    at org.icefaces.impl.application.WindowELResolver.getValue(WindowELResolver.java:36)
    at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
    at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
    at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:72)
    at org.apache.el.parser.AstValue.getValue(AstValue.java:161)
    at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:185)
    at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109)
    at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194)
    at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182)
    at javax.faces.component.UICommand.getValue(UICommand.java:218)
    at com.sun.faces.renderkit.html_basic.ButtonRenderer.encodeBegin(ButtonRenderer.java:119)
    at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:864)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1854)
    at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1859)
.....