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我们发现在将tomcat从8.0.30升级到8.0.43时,JasperReports会引发以下错误。为什么报告生成器在升级到tomcat 8.0.43时发生异常
JasperCompileManager.compileReport(jrxmlFilePathname);
---------------------^^^^^^^^^^^^^
Errors were encountered when compiling report expressions class file:
1. java.lang.Double cannot be resolved to a type
value = ((java.lang.Double)field_amount.getValue()); //$JR_EXPR_ID=15$
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此错误降级后的tomcat去8.0.30