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I'm creating reports using Jasper and JasperSoft Studio. It's a maven springboot application. The reports work good. Also the data connection works as it should.

I only have problems with the built-in functions (like sum(), trim(), replace(), ...). Also I'm not able to write custom functions. When I call one of those functions, an error appears on generating the report. Following the message:

1. The method REPLACE(String, int, int, String) is undefined for the type report_1475756642067_881680 
value = REPLACE(((java.lang.String)field1.getValue()),2,5,"test"); //$JR_EXPR_ID=65$

All works fine in Jaspersoft studio, the error only appears when I generate the report.

In Jaspersoft Studio all required external libraries are added. Does anybody have any ideas?

Alex K
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tobiwan
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1 Answers1

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Try to set groovy for report's property language <--- This is the answer to all your problems, don't ask me why it just works!!!

Luke Elliott
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