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java.lang.ClassCastException: com.springsource.sts.grails.editor.gsp.tags.GSPTagLibDocument cannot be cast to org.eclipse.jst.jsp.core.internal.contentmodel.tld.CMDocumentImpl	at org.eclipse.jst.jsp.core.internal.contentmodel.tld.CMElementDeclarationImpl.getLocationString(CMElementDeclarationImpl.java:583)	at org.eclipse.jst.jsp.ui.internal.hyperlink.TaglibHyperlinkDetector.detectHyperlinks(TaglibHyperlinkDetector.java:246)	at org.eclipse.ui.texteditor.HyperlinkDetectorRegistry$HyperlinkDetectorDelegate.detectHyperlinks(HyperlinkDetectorRegistry.java:80)	at org.eclipse.jface.text.hyperlink.HyperlinkManager.findHyperlinks(HyperlinkManager.java:276)	at org.eclipse.jface.text.hyperlink.HyperlinkManager.mouseMove(HyperlinkManager.java:452)	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:205)