NPE in BAseChangeManager
------------------------
Key: TRINIDAD-2051
URL: https://issues.apache.org/jira/browse/TRINIDAD-2051
Project: MyFaces Trinidad
Issue Type: Bug
Components: Components
Affects Versions: 1.2.14-core
Environment: 3.6, facelets 1.1.15, jsf-ri 1.2._12, trinidad 1.2.14
Reporter: Markus Dreher
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
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