java.lang.NullPointerException

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    • java.lang.NullPointerException at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333) at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988) at org.icepdf.core.util.Library.getObject(Library.java:146) at org.icepdf.core.pobjects.PageTree.getPageNumber(PageTree.java:225) at org.icepdf.examples.jsf.viewer.view.OutlineItemTreeNode$NodeUserObject.<init>(OutlineItemTreeNode.java:105) at org.icepdf.examples.jsf.viewer.view.OutlineItemTreeNode.<init>(OutlineItemTreeNode.java:53) at org.icepdf.examples.jsf.viewer.view.OutlineItemTreeNode.ensureChildrenLoaded(OutlineItemTreeNode.java:90) at org.icepdf.examples.jsf.viewer.view.OutlineItemTreeNode.getChildCount(OutlineItemTreeNode.java:74) at com.icesoft.faces.component.tree.TreeRenderer.encodeParentAndChildNodes(TreeRenderer.java:300) at com.icesoft.faces.component.tree.TreeRenderer.encodeChildren(TreeRenderer.java:232) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:358) at com.icesoft.faces.renderkit.dom_html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:96) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:358) at com.icesoft.faces.component.panelcollapsible.PanelCollapsibleRenderer.encodeChildren(PanelCollapsibleRenderer.java:124) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at com.icesoft.faces.renderkit.dom_html_basic.DomBasicRenderer.encodeParentAndChildren(DomBasicRenderer.java:358) at com.icesoft.faces.renderkit.dom_html_basic.GroupRenderer.encodeChildren(GroupRenderer.java:96) at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:837) at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:492) at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497) at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497) at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497) at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497) at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497) at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497) at com.icesoft.faces.application.D2DViewHandler.renderResponse(D2DViewHandler.java:497) at com.icesoft.faces.facelets.D2DFaceletViewHandler.renderResponse(D2DFaceletViewHandler.java:282)

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