java.lang.ClassFormatError: Method "<init>" in class com/alibaba/dubbo/common/bytecode/Wrapper0 has illegal signature "(V)V"

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    java.lang.ClassFormatError: Method "<init>" in class com/alibaba/dubbo/common/bytecode/Wrapper0 has illegal signature "(V)V"
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Root Cause Analysis

  1. java.lang.ClassFormatError

    Method "<init>" in class com/alibaba/dubbo/common/bytecode/Wrapper0 has illegal signature "(V)V"

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    Method.invoke
    1. java.lang.ClassLoader.defineClass1(Native Method)
    2. java.lang.ClassLoader.defineClass(ClassLoader.java:800)
    3. java.lang.ClassLoader.defineClass(ClassLoader.java:643)
    4. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    5. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    6. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    7. java.lang.reflect.Method.invoke(Method.java:606)
    7 frames
  3. Javassist
    CtClass.toClass
    1. javassist.ClassPool.toClass2(ClassPool.java:1102)
    2. javassist.ClassPool.toClass(ClassPool.java:1083)
    3. javassist.CtClass.toClass(CtClass.java:1166)
    3 frames
  4. com.alibaba.dubbo
    ServiceBean.onApplicationEvent
    1. com.alibaba.dubbo.common.bytecode.ClassGenerator.toClass(ClassGenerator.java:338)
    2. com.alibaba.dubbo.common.bytecode.Wrapper.makeWrapper(Wrapper.java:346)
    3. com.alibaba.dubbo.common.bytecode.Wrapper.getWrapper(Wrapper.java:89)
    4. com.alibaba.dubbo.config.ServiceConfig.doExportUrlsFor1Protocol(ServiceConfig.java:426)
    5. com.alibaba.dubbo.config.ServiceConfig.doExportUrls(ServiceConfig.java:281)
    6. com.alibaba.dubbo.config.ServiceConfig.doExport(ServiceConfig.java:242)
    7. com.alibaba.dubbo.config.ServiceConfig.export(ServiceConfig.java:143)
    8. com.alibaba.dubbo.config.spring.ServiceBean.onApplicationEvent(ServiceBean.java:109)
    8 frames
  5. Spring Context
    ClassPathXmlApplicationContext.<init>
    1. org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:98)
    2. org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:333)
    3. org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:776)
    4. org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:485)
    5. org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
    6. org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:93)
    6 frames
  6. com.unionpay.test
    ProviderMain.main
    1. com.unionpay.test.dubbo.ProviderMain.main(ProviderMain.java:11)
    1 frame
  7. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    4. java.lang.reflect.Method.invoke(Method.java:606)
    4 frames
  8. IDEA
    AppMain.main
    1. com.intellij.rt.execution.application.AppMain.main(AppMain.java:120)
    1 frame