package demo;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import javax.faces.bean.ManagedBean;
import javax.faces.bean.SessionScoped;

@ManagedBean(name="user")
@SessionScoped
public class User {
	private Map<String, User> users = new HashMap<String, User>();
	private Map<String, Collection> list = new HashMap<String, Collection>();

	private String name;

	public User() {
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String sayHello() {
		return "greeting";
	}

	public Map<String, User> getUsers() {
		return users;
	}

	public void setUsers(Map<String, User> users) {
		this.users = users;
	}

	public Map<String, Collection> getList() {
		return list;
	}

	public void setList(Map<String, Collection> list) {
		this.list = list;
	}
}

Caused by: java.lang.NullPointerException
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validateElOperand(ELValidator.java:493)
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validateELExpression(ELValidator.java:350)
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validateEL(ELValidator.java:325)
	at org.jboss.tools.jst.web.kb.internal.validation.ELValidator.validate(ELValidator.java:270)
	at org.jboss.tools.common.validation.AsYouTypeValidatorManager.validate(AsYouTypeValidatorManager.java:174)
	... 10 more

java.lang.NullPointerException
	at org.jboss.tools.common.el.core.resolver.ELSegmentImpl$1.getStartPosition(ELSegmentImpl.java:63)
	at org.jboss.tools.common.el.core.resolver.ELResolutionImpl.findSegmentByOffset(ELResolutionImpl.java:94)
	at org.jboss.tools.jst.text.ext.hyperlink.ELHyperlinkDetector.detectHyperlinks(ELHyperlinkDetector.java:61)
	at org.eclipse.ui.texteditor.HyperlinkDetectorRegistry$HyperlinkDetectorDelegate.detectHyperlinks(HyperlinkDetectorRegistry.java:80)
	at org.eclipse.jface.text.hyperlink.HyperlinkManager.findHyperlinks(HyperlinkManager.java:286)
	at org.eclipse.jface.text.hyperlink.HyperlinkManager.findHyperlinks(HyperlinkManager.java:258)
	at org.eclipse.jface.text.hyperlink.HyperlinkManager.mouseMove(HyperlinkManager.java:462)
	at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:212)
...