java.lang.ClassNotFoundException: groovy.lang.GroovyObject

java.lang.ClassNotFoundException: groovy.lang.GroovyObject
at java.lang.ClassLoader.findClass(ClassLoader.java:530) ~[na:1.8.0_192]
at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_192]
at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_192]
at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_192]
at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[na:1.8.0_192]
at net.sf.jasperreports.engine.util.JRClassLoader.loadClass(JRClassLoader.java:338) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.util.JRClassLoader.loadClassFromBytes(JRClassLoader.java:261) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.design.JRAbstractJavaCompiler.loadEvaluator(JRAbstractJavaCompiler.java:102) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.design.JRAbstractCompiler.loadEvaluator(JRAbstractCompiler.java:340) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.JasperCompileManager.getEvaluator(JasperCompileManager.java:378) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.fill.JRFillDataset.createCalculator(JRFillDataset.java:462) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.fill.JRBaseFiller.(JRBaseFiller.java:405) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:89) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:104) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.fill.JRVerticalFiller.(JRVerticalFiller.java:62) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.fill.JRFiller.createFiller(JRFiller.java:179) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.fill.JRFiller.fill(JRFiller.java:81) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:457) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:418) ~[jasperreports-5.6.0.jar:5.6.0]
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:839) ~[jasperreports-5.6.0.jar:5.6.0]
at com.example.ireport.util.JasperUtil.PCexportPdfDir(JasperUtil.java:57) ~[classes/:na]
at com.example.ireport.controller.IndexController.getpcPdf(IndexController.java:69) ~[classes/:na]
at com.example.ireport.controller.IndexController.readReport(IndexController.java:46) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_192]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_192]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_192]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_192]
at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:190) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:138) ~[spring-web-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:106) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:888) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:793) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) ~[spring-webmvc-5.2.2.RELEASE.jar:5.2.2.RELEASE]

解決方法：
http://www.yayihouse.com/yayishuwu/chapter/2415