[TRINIDAD-2051] NPE in BAseChangeManager

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2.14-core
• Fix Version/s: 1.2.15-core , 2.0.0-core
• Component/s: Components
• Environment: 3.6, facelets 1.1.15, jsf-ri 1.2._12, trinidad 1.2.14
• Assignee: Scott O'Bryan
• Reporter: Markus Dreher
• Created: 07/Mar/11 06:23
• Updated: 19/Mar/12 23:10
• Resolved: 07/Mar/11 17:58

Description

After Updateing from Trinidad 1.2.13 to 1.2.14 I get the following Exception

java.lang.NullPointerException
at org.apache.myfaces.trinidad.change.BaseChangeManager.addComponentChange(BaseChangeManager.java:58)
at org.apache.myfaces.trinidad.change.SessionChangeManager.addComponentChange(SessionChangeManager.java:64)
at org.apache.myfaces.trinidad.component.UIXComponentBase.addAttributeChange(UIXComponentBase.java:1165)
at org.apache.myfaces.trinidad.component.UIXTable.broadcast(UIXTable.java:266)
at org.apache.myfaces.trinidad.component.UIXCollection.broadcast(UIXCollection.java:153)
at org.apache.myfaces.trinidad.component.UIXTable.broadcast(UIXTable.java:271)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:475)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:755)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)

I have a tr:table with rowSelection=multiple. When I select a row and navigate to another page i get the mentioned exception.

it seems that this problem was introduced with TRINIDAD-1935.

Because when navigating to another page there is a new UIViewRoot so parent results in null.

A check for null solves the problem
while (parent != null && parent != root)

{ ...... }

The problem also exists in trinidad-2.0.0-beta-2