We'll open a ticket, but I figured I'd post here that we're also having the issue: Linux CentOS 5.3 JDK 1.6.10 Tomcat 6.0.18 Oracle 9i (tried a handful of jdbc drivers) JasperServer/Analysis Pro 3.5.1 Query runs, then: 10:34:27,974 ERROR JSErrorPage_jsp,http-8080-2:360 - java.lang.NegativeArraySizeException at com.tonbeller.jpivot.mondrian.MondrianDrillThroughTableModel.getRow(MondrianDrillThroughTableModel.java:243) at com.tonbeller.wcf.table.TableModelDecorator.getRow(TableModelDecorator.java:59) at com.tonbeller.wcf.table.SortedTableModel.getRow(SortedTableModel.java:50) at com.tonbeller.wcf.table.TableModelDecorator.getRow(TableModelDecorator.java:59) at com.tonbeller.wcf.table.PagedTableModel.getRow(PagedTableModel.java:47) at com.tonbeller.wcf.table.TableComponent.renderBody(TableComponent.java:468) at com.tonbeller.wcf.table.TableComponent.render(TableComponent.java:332)