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https://issues.apache.org/jira/browse/WW-3348?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lukasz Lenart closed WW-3348.
-----------------------------
Resolution: Not a Problem
Please retest with the latest 2.3.17 version
> IndexOutOfBoundsException in ValueStackDataSource
> -------------------------------------------------
>
> Key: WW-3348
> URL: https://issues.apache.org/jira/browse/WW-3348
> Project: Struts 2
> Issue Type: Bug
> Components: Plugin - JasperReports
> Affects Versions: 2.1.8
> Environment: WinXP, Tomcat
> Reporter: Mark Gorokhov
> Fix For: 2.3.18
>
>
> Scenario:
> - Jasper report with 4 subreports.
> - Subreports content is provided from
> org.apache.struts2.views.jasperreports.ValueStackDataSource
> Exception
> java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
> is thrown from org.apache.struts2.views.jasperreports.ValueStackDataSource:
> public boolean next() throws JRException {
> if (firstTimeThrough) {
> firstTimeThrough = false;
> } else {
> valueStack.pop(); <== throws exception
> }
> . . .
> }
> Exception is thrown if the last row from subreport fits the current page and
> a new page is started. Thus the exception is data dependent.
> The following workaround works nicely:
> public boolean next() throws JRException {
> if (firstTimeThrough) {
> firstTimeThrough = false;
> } else {
> if (valueStack.size() > 0) {
> valueStack.pop();
> }
> }
> . . .
> }
> Please test and implement in the next release.
> The following does not work (main report is generated partially, stops on
> empty valueStack condition):
> public boolean next() throws JRException {
> if (firstTimeThrough) {
> firstTimeThrough = false;
> } else {
> if (valueStack.size() == 0) {
> return false;
> }
> valueStack.pop();
> }
> . . .
> }
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