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question asked: Dec 12 '11, 9:40 a.m.
question was seen: 4,458 times
last updated: Dec 12 '11, 9:40 a.m.

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error in report: copyInstance missing

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John Kohl (146●18●15) | asked Dec 12 '11, 9:40 a.m.
I'm trying to run a report to generate a chart. It worked when my RTC server was at 3.0, but after the administrators updated to 3.0.1, the report now fails.
Anybody seen this before: 


Java class "org.eclipse.birt.chart.model.attribute.impl.TextImpl" has no public instance field or method named "copyInstance". at line 82 of chart script:'' exception.javascript.error ( 1 time(s) ) detail : org.eclipse.birt.report.engine.api.EngineException: Java class "org.eclipse.birt.chart.model.attribute.impl.TextImpl" has no public instance field or method named "copyInstance". at line 82 of chart script:'' at org.eclipse.birt.report.engine.executor.ExecutionContext.addException(ExecutionContext.java:1215) at org.eclipse.birt.report.engine.presentation.LocalizedContentVisitor.processExtendedContent(LocalizedContentVisitor.java:1037) at 

...


Is this something we need to fix in the report? Is it something the administrator needs to fix on the server?

The report design has this code inside a javascript block (just one example of using the copyInstance method): 

		// If there are no story points for this priority, hide the priority from the legend

		var points = priorityTotals.get(priorities[key-1].id);

		if (points == null || points == 0) {

			var newLegend = TextImpl.copyInstance(oldLegend);

			newLegend.setValue("");

			lerh.getLabel().setCaption(newLegend);

			lerh.getFill().setTransparency(0);

		}

4 answers

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Rafik Jaouani (5.0k●1●6) | answered Dec 12 '11, 3:02 p.m.
JAZZ DEVELOPER
Very strange. RTC 3.0 and RTC 3.0.1 use the same version of BIRT. Can you please file a defect and attach a small report design file that causes the error.
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John Kohl (146●18●15) | answered Dec 13 '11, 8:35 a.m.
Can you please file a defect and attach a small report design file that causes the error.

filed as defect 188439
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John Kohl (146●18●15) | answered Dec 14 '11, 10:32 a.m.
A variant of the report is in RTC 4.0, apparently (according to the bug info).
Is there a fix we can make to our 3.0.1 (maybe 3.0.1.1) server or report definition to make it work again?
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John Kohl (146●18●15) | answered Dec 15 '11, 11:23 a.m.
I needed two updates to the report design I was using.

(1) change all references like this: 
var newLegend = TextImpl.copyInstance(oldLegend);

to this: 
var newLegend = oldLegend.copyInstance();


(2) Change the output format from SVG to PNG (better browser compatibility): 
<property>SVG</property>

to this: 
<property>PNG</property>

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