when try to run the jasper report using the "IREPORT" it is executing well, but when i try to embed the jasper report in my java code it is throwing the exception.
i'm just posting this one because, it may help for some one, this exception was throwing because of the incompatibility of jar file, i was using the jasper4 and i added the groovy-all-1.0-jsr-02.jar wrong jar file after adding the groovy-all-1.7.5.jar it started to work properly, conclusion is while using the jasper use proper dependence jar files
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