[richfaces-issues] [JBoss JIRA] Created: (RF-1636) Sorting date-column in scrollableDataTable gives NPE

[Alexander Seitz (JIRA)]

Sorting date-column in scrollableDataTable gives NPE
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                 Key: RF-1636
                 URL: http://jira.jboss.com/jira/browse/RF-1636
             Project: RichFaces
          Issue Type: Bug
    Affects Versions: 3.1.2
            Reporter: Alexander Seitz


If you try to sort a column (by clicking the column header) containing entries of the type date, you get a NullPointerException in case one or more date-values are empty in the table. 

Caused by: java.lang.NullPointerException
        at java.util.Date.getMillisOf(Date.java:939)
        at java.util.Date.compareTo(Date.java:959)
        at java.util.Date.compareTo(Date.java:112)
        at org.richfaces.model.internal.WrappedBeanComparator.compare(WrappedBeanComparator.java:42)
        at java.util.Arrays.mergeSort(Arrays.java:1270)
        at java.util.Arrays.sort(Arrays.java:1210)
        at java.util.Collections.sort(Collections.java:159)
        at org.richfaces.model.internal.ComponentSortableDataModel.prepareCollection(ComponentSortableDataModel.java:57)
        at org.richfaces.model.internal.ComponentSortableDataModel.loadData(ComponentSortableDataModel.java:81)
        at org.richfaces.model.DataModelCache.loadData(DataModelCache.java:153)
        at org.richfaces.model.ScrollableTableDataModel.walk(ScrollableTableDataModel.java:115)
        at org.richfaces.model.DataModelCache.walk(DataModelCache.java:183)
        at org.ajax4jsf.component.UIDataAdaptor.walk(UIDataAdaptor.java:968)
...

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