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https://issues.apache.org/jira/browse/WICKET-1323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Johan Compagner closed WICKET-1323.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.3.2
Assignee: Johan Compagner
i added:
private void readObject(java.io.ObjectInputStream s) throws
java.io.IOException,
ClassNotFoundException
{
// Read in all fields
s.defaultReadObject();
clearCachedItemCount();
}
> AbstractPageableView has transient cachedItemCount, but doesn't set it to -1
> on deserialization.
> ------------------------------------------------------------------------------------------------
>
> Key: WICKET-1323
> URL: https://issues.apache.org/jira/browse/WICKET-1323
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 1.3.1
> Environment: Gentoo Linux / AMD64X2 / Java 6
> Reporter: Benjamin Keil
> Assignee: Johan Compagner
> Fix For: 1.3.2
>
>
> AbstractPageableView declares:
> private transient int cachedItemCount;
> When this is deserialized, cachedItemCount gets set to 0. This means that
> the method isItemCountCached() will return true on a deserialized
> AbstractPageableView. This, in turn, causes getCurrentPage() to return 0,
> even when the user is not navigating the first page.
> For me, this is causing huge problems with the paging navigator.
> My current workaround is this is to add this method to my DataView
> implementation:
> private Object readResolve() throws ObjectStreamException {
> final Class<?> myClass = getClass();
> final Class<?> dataView = myClass.getSuperclass();
> final Class<?> dataViewBase = dataView.getSuperclass();
> final Class<?> abstractPagableView = dataViewBase.getSuperclass();
> try {
> final Field field;
> field = abstractPagableView.getDeclaredField("cachedItemCount");
> field.setAccessible(true);
> field.setInt(this, -1);
> } catch (Exception e) {
> throw new RuntimeException(e);
> }
> return this;
> }
> Obviously it would be better if the AbstractPagingView could take care of
> this itself.
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