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https://issues.apache.org/jira/browse/MYFACES-278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12487612
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paul commented on MYFACES-278:
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I have also verified that this bug still exists.
If you are using a javax.sql.rowset.CachedRowSet, you can workaround this bug
by extending the ResultSetDataModel and overriding the getRowCount() method to
return CachedRowSet.size().
> UIData does not processColumnChildren() if rowCount() returns -1 (for
> ResultSetDataModel)
> -----------------------------------------------------------------------------------------
>
> Key: MYFACES-278
> URL: https://issues.apache.org/jira/browse/MYFACES-278
> Project: MyFaces Core
> Issue Type: Bug
> Affects Versions: 1.1.0
> Reporter: Ahmed Ashour
> Assigned To: Martin Marinschek
> Priority: Minor
> Fix For: 1.1.0
>
>
> Any code that iterates the rows using getRowCount() would fail, because it
> might be -1 (for ResultSetDataModel).
> Instead, isRowAvailable() should be used to iterator over the rows, and
> "break" otherwise.
> E.g. in javax.faces.component.UIData
> private void processColumnChildren(FacesContext context, int processAction) {
> int first = getFirst();
> int rows = getRows();
> int last;
> if (rows == 0) {
> last = getRowCount();
> } else {
> last = first + rows;
> }
> for (int rowIndex = first; rowIndex < last; rowIndex++) {
> setRowIndex(rowIndex);
> if (isRowAvailable()) {
> Should be replaced with
> private void processColumnChildren(FacesContext context, int processAction) {
> int first = getFirst();
> int rows = getRows();
> int last;
> if (rows == 0) {
> last = getRowCount();
> } else {
> last = first + rows;
> }
> for (int rowIndex = first; last==-1 || rowIndex < last;
> rowIndex++) {
> setRowIndex(rowIndex);
> if (isRowAvailable()) {
> } else
> break
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