Question

Jaspersoft iReport 编译过程报错：Too many groovy classes were generated。

Compilation exceptions: com.jaspersoft.ireport.designer.compiler.ErrorsCollector@2404cf1a

net.sf.jasperreports.engine.JRException: Too many groovy classes were generated.
Please make sure that you don't use Groovy features such as closures that are not supported by this report compiler.

at net.sf.jasperreports.compilers.JRGroovyCompiler.compileUnits(JRGroovyCompiler.java:113)
at net.sf.jasperreports.engine.design.JRAbstractCompiler.compileReport(JRAbstractCompiler.java:188)
at net.sf.jasperreports.engine.JasperCompileManager.compileReport(JasperCompileManager.java:212)
at net.sf.jasperreports.engine.JasperCompileManager.compileReportToFile(JasperCompileManager.java:128)
at com.jaspersoft.ireport.designer.compiler.IReportCompiler.run(IReportCompiler.java:516)
at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)
Compilation running time:
1,500

Answer 1

表达式写错 如把$P{变量名} 错写成 ${P变量}

Answer 2

多写了$符号