java.lang.NullPointerException
        at org.netbeans.modules.bpel.validation.statics.Validator$.visit(Validator.java:898)
        at org.netbeans.modules.bpel.model.impl.ForEachImpl.accept(ForEachImpl.java:214)
        at org.netbeans.modules.bpel.model.impl.BpelEntityImpl.accept(BpelEntityImpl.java:227)
        at org.netbeans.modules.bpel.model.impl.BpelEntityImpl.acceptChildren(BpelEntityImpl.java:352)
        at org.netbeans.modules.bpel.model.impl.BpelEntityImpl.accept(BpelEntityImpl.java:228)
        at org.netbeans.modules.bpel.model.impl.BpelEntityImpl.acceptChildren(BpelEntityImpl.java:352)
        at org.netbeans.modules.bpel.model.impl.BpelEntityImpl.accept(BpelEntityImpl.java:228)
        at org.netbeans.modules.bpel.validation.core.BpelValidator$.run(BpelValidator.java:102)
        at org.netbeans.modules.bpel.model.impl.BpelModelImpl.invoke(BpelModelImpl.java:250)
        at org.netbeans.modules.bpel.validation.core.BpelValidator.validate(BpelValidator.java:106)
        at org.netbeans.modules.xml.xam.spi.Validation.validate(Validation.java:96)
        at org.netbeans.modules.xml.validation.ValidationOutputWindowController.validate(ValidationOutputWindowController.java:85)
        at org.netbeans.modules.soa.validation.core.Controller.doValidation(Controller.java:221)
        at org.netbeans.modules.soa.validation.core.Controller.runValidation(Controller.java:123)
        at org.netbeans.modules.bpel.core.BPELDataEditorSupport.validateXML(BPELDataEditorSupport.java:357)
        at org.netbeans.modules.xml.tools.actions.ValidateAction$RunAction.run(ValidateAction.java:123)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:561)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:986)