[jbosstools-issues] [JBoss JIRA] (JBIDE-12609) NPE when validating EL which uses java.util.Map

NPE when validating EL which uses java.util.Map ----------------------------------------------- Key: JBIDE-12609 URL: https://issues.jboss.org/browse/JBIDE-12609 Project: Tools (JBoss Tools) Issue Type: Bug Components: jsp/jsf/xml source editing Affects Versions: 4.0.0.Alpha2 Reporter: Alexey Kazakov Assignee: Alexey Kazakov Fix For: 4.0.0.Alpha2 1. Create JSF 2 KickStart project 2. Modify User.java: {code} 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; } } {code} 3. Open inputname.xhtml 4. Add <ui:param name="group" value="#{user}" /> inside <ui:composition> (line #9) 5. Save the file. 6. Open common.xhtml 7. Add <h:outputText value="#{group.users['admin'].nam}" /> 8. See the log: {code} 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 {code} 9. Press Ctrl and move the mouse over ['admin'] 10. See the log: {code} 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) ... {code} 11. Add <h:outputText value="#{group.users['admin'].name}" /> 12. Try Ctrl+Click on name. java.util.Iterator is open instead of User.getName()