java.lang.NullPointerException
at org.jboss.tools.jst.web.kb.PageContextFactory.isXMLWithoutEL(PageContextFactory.java:434)
at org.jboss.tools.jst.web.kb.PageContextFactory.createPageContext(PageContextFactory.java:374)
at org.jboss.tools.jst.web.kb.PageContextFactory.createPageContext(PageContextFactory.java:230)
at org.jboss.tools.jst.web.kb.PageContextFactory.createPageContext(PageContextFactory.java:193)
at org.jboss.tools.jst.web.kb.PageContextFactory.createPageContext(PageContextFactory.java:174)
at org.jboss.tools.jst.jsp.jspeditor.info.FaceletTagInfoHoverProcessor.computeHoverHelp(FaceletTagInfoHoverProcessor.java:91)
at org.eclipse.wst.xml.ui.internal.taginfo.XMLTagInfoHoverProcessor.getHoverInfo(XMLTagInfoHoverProcessor.java:257)
at org.jboss.tools.common.text.xml.info.ChainTextHover.getHoverInfo2(ChainTextHover.java:145)
at org.eclipse.jface.text.TextViewerHoverManager$4.run(TextViewerHoverManager.java:166)