Name: PK34611
=============
 
Summary:
   NullPointerException when reloading models under load.
 
Problem Description:
   When reloading a composition model under load, a NullPointerException occurs occasionally because the portlet definition is temporarily not available 
   
   [12/30/06 10:52:30:735 EST] 00000047 Composition   E com.ibm.wps.composition.Composition prepare() EJPEF0001E: Cannot load page with ObjectID [ObjectIDImpl '6_PFC475Q110CS002EHU5M402046' [1022318277377012217:-4323314582265171840@0 / CONTENT_NODE], Domain: [Domain: cust], DB representation: 0000-F931728A0E01300E8070D1174B8000C4]. Reason: null.
                                    java.lang.NullPointerException
   	at com.ibm.wps.composition.elements.Control.getPortletDefinition(Control.java:270)
   	at com.ibm.wps.composition.Composition.fillPortlets(Composition.java:673)
   	at com.ibm.wps.composition.Composition.prepare(Composition.java:476)
   	at com.ibm.wps.composition.Composition.getAggregationRoot(Composition.java:364)
   	at com.ibm.wps.composition.Composition.getRoot(Composition.java:1471)
   	at com.ibm.wps.composition.Composition.makeValid(Composition.java:2573)
   	at com.ibm.wps.composition.Composition.setDerivationParent(Composition.java:2515)
   
 
Problem Solution:
   Added a check for null when retrieving the portlet definition
 
Failing Module(s):
   Engine: Page Assembly
 
Affected Users:
   All users
 
Version Information:
    Portal Version(s): 6.0.0.0
     Pre-Requisite(s): PK29820 
      Co-Requisite(s): ---
 
Platform Specific:
   This fix applies to all platforms.
 
Installation:
   NOTE:  YOU MUST FIRST DOWNLOAD THE UPDATE INSTALLER TOOL IN ORDER TO INSTALL A FIX.
          The Portal Update Installer can be downloaded from the following link:
          http://www.ibm.com/software/genservers/portal/support
 
   1. Create temporary "fix" directory to store the jar file.
   2. Copy jar file to this directory.
   3. Shutdown WebSphere Portal.
   4. Follow the fix installation instructions that are packaged with
      the Portal Update Installer on how to install the fix.
   5. Restart WebSphere Portal.
   6. The temporary directory may be removed.
 
Un-Installation:
   NOTE:  FIXES MUST BE REMOVED IN THE ORDER THEY WERE APPLIED.  DO NOT REMOVE
          A FIX UNLESS ALL FIXES APPLIED AFTER IT HAVE FIRST BEEN REMOVED.
          YOU MAY REAPPLY ANY REMOVED FIX.
 
   1. Shutdown WebSphere Portal.
   2. Follow the instructions that are packaged with the
      Portal Update Installer on how to uninstall the fix.
   3. Restart WebSphere Portal.