Invalid subreportExpression URL should fail-fast - JasperReports® Library - Jaspersoft Community

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Invalid subreportExpression URL should fail-fast
By ge0ffrey

April 13, 2010
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Assigned User teodord

CategoryBug report

PriorityNormal

ReproducibilityAlways

ResolutionNo Change Required

SeverityMajor

StatusClosed
When using a subreport with a subreportExpression URL that doesn't exist, the report execution should fail by default, instead of delivering a broken report and letting us believe that everything is all right.

Try this in a report:

...

getClass().getResource("/org/jasperforge/thisFileDoesNotExist.jasper")

That should fail with an exception, instead of pretending everything is ok.
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teodord 1

Posted May 6, 2010

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Hi,

The subreport will fail if you would simply use a string expression with only the location of the file in the classpath. JR will look for it and if not found it would tell you.

You unnecessary made use of the Class.getResource(String) method which does not complain about missing resources and simply returns null.

I hope this helps.
Teodor

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