752051608 opened a new issue #9286:
URL: https://github.com/apache/dubbo/issues/9286


   2021-11-16 20:06:42.313 [Pool-A10] WARN  
com.alibaba.dubbo.validation.support.jvalidation.JValidator -  [DUBBO] by 
java.lang.LinkageError: loader (instance of  
org/springframework/boot/loader/LaunchedURLClassLoader): attempted  duplicate 
class definition for name: 
"cn/xx/spi/service/CouponService_findCouponByShopIdsParameter_cn/xxx/spi/bean/ShopCouponSearchBean",
 dubbo version: 2.6.2, current host: xx.xx.xx.xx
   javassist.CannotCompileException: by java.lang.LinkageError: loader 
(instance of  org/springframework/boot/loader/LaunchedURLClassLoader): 
attempted  duplicate class definition for name: 
"cn/xxxx/spi/service/CouponService_FindCouponByShopIdsParameter_cn/xxx/spi/bean/ShopCouponSearchBean"
     at javassist.ClassPool.toClass(ClassPool.java:1099) 
~[javassist-3.18.1-GA.jar!/:?]
     at javassist.CtClass.toClass(CtClass.java:1265) 
~[javassist-3.18.1-GA.jar!/:?]
     at 
com.alibaba.dubbo.validation.support.jvalidation.JValidator.getMethodParameterBean(JValidator.java:152)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.validation.support.jvalidation.JValidator.validate(JValidator.java:260)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.validation.filter.ValidationFilter.invoke(ValidationFilter.java:50)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
cn.hong.commons.filter.dubbo.TraceIdFilter.invoke(TraceIdFilter.java:50) 
~[hong-commons-1.4.1.jar!/:?]
     at 
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.monitor.support.MonitorFilter.invoke$original$KFY16ZxR(MonitorFilter.java:75)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.monitor.support.MonitorFilter.invoke$original$KFY16ZxR$accessor$Gt1DXu2r(MonitorFilter.java)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.monitor.support.MonitorFilter$auxiliary$TJNDd4jd.call(Unknown 
Source) ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter.intercept(InstMethodsInter.java:86)
 ~[skywalking-agent.jar:8.2.0]
     at 
com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java) 
~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.protocol.dubbo.filter.FutureFilter.invoke(FutureFilter.java:54)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.filter.ConsumerContextFilter.invoke(ConsumerContextFilter.java:48)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.listener.ListenerInvokerWrapper.invoke(ListenerInvokerWrapper.java:77)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.protocol.InvokerWrapper.invoke(InvokerWrapper.java:56) 
~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.cluster.support.FailoverClusterInvoker.doInvoke(FailoverClusterInvoker.java:78)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.cluster.support.AbstractClusterInvoker.invoke(AbstractClusterInvoker.java:238)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.cluster.support.wrapper.MockClusterInvoker.invoke(MockClusterInvoker.java:75)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:52)
 ~[dubbo-2.6.2.jar!/:2.6.2]
     at 
com.alibaba.dubbo.common.bytecode.proxy20.findCouponByShopIds(proxy20.java) 
~[dubbo-2.6.2.jar!/:2.6.2]
     at 
cn.xxx.provider.service.impl.SingleServiceImpl.lambda$getCouponKind$64(SingleServiceImpl.java:1183)
 ~[classes!/:1.0.30]
     at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_162]
     at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) 
[?:1.8.0_162]
     at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) 
[?:1.8.0_162]
     at java.lang.Thread.run(Thread.java:748) [?:1.8.0_162]


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