当在程序中使用jasperreport加载模板时报class: groovyruntimemetaclassjavautilHashMapMetaClass, method:

概述  当在程序中使用jasperreport加载模板时报class: groovy/runtime/metaclass/java/util/HashMapMetaClass, method: super$2$invokeMethod signature 收藏 java.lang.VerifyError: (class: groovy/runtime/metaclass/java/util/HashM

  当在程序中使用jasperreport加载模板时报class: groovy/runtime/Metaclass/java/util/HashMapMetaClass,method: super$2$invokeMethod signature 收藏
java.lang.VerifyError: (class: groovy/runtime/Metaclass/java/util/HashMapMetaClass,method: super$2$invokeMethod signature: (Ljava/lang/Class;Ljava/lang/Object;Ljava/lang/String;[Ljava/lang/Object;ZZ)Ljava/lang/Object Illegal use of nonvirtual function call
at java.lang.class.forname0(Native Method)
at java.lang.class.forname(Class.java:169)
at groovy.lang.MetaClassRegistry$MetaClassCreationHandle.create(MetaClassRegistry.java:118)
at org.codehaus.groovy.reflection.ClassInfo.getMetaClassUnderLock(ClassInfo.java:152)
at org.codehaus.groovy.reflection.ClassInfo.getMetaClass(ClassInfo.java:183)
at org.codehaus.groovy.runtime.Metaclass.MetaClassRegistryImpl.getMetaClass(MetaClassRegistryImpl.java:206)
at org.codehaus.groovy.runtime.InvokerHelper.getMetaClass(InvokerHelper.java:699)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.createPojoSite(CallSiteArray.java:107)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallSite(CallSiteArray.java:148)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at SimpleTest_1254369426034_580176.initParams(calculator_SimpleTest_1254369426034_580176:68)
at SimpleTest_1254369426034_580176$initParams.callCurrent(UnkNown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
at SimpleTest_1254369426034_580176.customizedInit(calculator_SimpleTest_1254369426034_580176:57)
at net.sf.jasperreports.engine.fill.JREvaluator.init(JREvaluator.java:83)
at net.sf.jasperreports.engine.fill.JRCalculator.init(JRCalculator.java:95)
at net.sf.jasperreports.engine.fill.JRFillDataset.initCalculator(JRFillDataset.java:428)
at net.sf.jasperreports.engine.fill.JRBaseFiller.<init>(JRBaseFiller.java:565)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:74)
at net.sf.jasperreports.engine.fill.JRVerticalFiller.<init>(JRVerticalFiller.java:56)
at net.sf.jasperreports.engine.fill.JRFiller.createFiller(JRFiller.java:143)
at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:79)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:624)

ps. I don't kNow what issue type I have to tag,please forgive if this is not a BUG.

看了这个错误：我们根据错误提示信息都会以为是japserreport用到了groovy包导致的错误。所以一定会找groovy包的原因。

其实我们更细致一点groovy/runtime/Metaclass/java/util/HashMapMetaClass

根据这个路径我们会发现这个类在Json.jar包下面，而之所以出现这个原因是Json.jar版本太低了。升级Json.jar版本即可。

 参考老外文章：http://jira.codehaus.org/browse/GROOVY-3802

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/soft_xiaohui/archive/2010/04/27/5532806.aspx

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