50168383 commented on issue #1028: 5.0-alpha , Can't find XMemcachedConstructorWithHostPortArgInterceptor URL: https://github.com/apache/incubator-skywalking/issues/1028#issuecomment-378461512 add Exception more detail : DEBUG 2018-04-04 09:41:31 AbstractClassEnhancePluginDefine : prepare to enhance class net.rubyeye.xmemcached.XMemcachedClient by org.apache.skywalking.apm.plugin.xmemcached.v2.define.XMemcachedInstrumentation. ERROR 2018-04-04 09:41:31 SkyWalkingAgent : Enhance class net.rubyeye.xmemcached.XMemcachedClient error. org.apache.skywalking.apm.agent.core.plugin.PluginException: Can't create InstanceConstructorInterceptor. at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ConstructorInter.<init>(ConstructorInter.java:53) at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassEnhancePluginDefine.enhanceInstance(ClassEnhancePluginDefine.java:131) at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ClassEnhancePluginDefine.enhance(ClassEnhancePluginDefine.java:73) at org.apache.skywalking.apm.agent.core.plugin.AbstractClassEnhancePluginDefine.define(AbstractClassEnhancePluginDefine.java:75) at org.apache.skywalking.apm.agent.SkyWalkingAgent$3.transform(SkyWalkingAgent.java:83) at org.apache.skywalking.apm.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Transformer$Compound.transform(AgentBuilder.java:2335) at org.apache.skywalking.apm.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$Transformation$Simple$Resolution.apply(AgentBuilder.java:8902) at org.apache.skywalking.apm.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer.doTransform(AgentBuilder.java:9306) at org.apache.skywalking.apm.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer.transform(AgentBuilder.java:9269) at org.apache.skywalking.apm.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer.access$1300(AgentBuilder.java:9047) at org.apache.skywalking.apm.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer$LegacyVmDispatcher.run(AgentBuilder.java:9625) at org.apache.skywalking.apm.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer$LegacyVmDispatcher.run(AgentBuilder.java:9575) at java.security.AccessController.doPrivileged(Native Method) at org.apache.skywalking.apm.dependencies.net.bytebuddy.agent.builder.AgentBuilder$Default$ExecutingTransformer.transform(AgentBuilder.java:9194) at sun.instrument.TransformerManager.transform(TransformerManager.java:188) at sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:428) at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:760) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:2277) at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:811) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1254) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119) at net.rubyeye.xmemcached.XMemcachedClientBuilder.build(XMemcachedClientBuilder.java:285) at com.google.code.ssm.providers.xmemcached.MemcacheClientFactoryImpl.create(MemcacheClientFactoryImpl.java:60) at com.google.code.ssm.CacheFactory.createClient(CacheFactory.java:194) at com.google.code.ssm.CacheFactory.createCache(CacheFactory.java:183) at com.google.code.ssm.CacheFactory.getObject(CacheFactory.java:119) at com.google.code.ssm.CacheFactory.getObject(CacheFactory.java:57) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.doGetObjectFromFactoryBean(FactoryBeanRegistrySupport.java:142) at org.springframework.beans.factory.support.FactoryBeanRegistrySupport.getObjectFromFactoryBean(FactoryBeanRegistrySupport.java:102) at org.springframework.beans.factory.support.AbstractBeanFactory.getObjectForBeanInstance(AbstractBeanFactory.java:1442) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:305) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:400) at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:390) at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1158) at com.google.code.ssm.aop.CacheBase.afterPropertiesSet(CacheBase.java:73) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1514) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1452) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456) at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:294) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:225) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:291) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:585) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:913) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:464) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:385) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:284) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:111) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4745) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5207) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1419) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1409) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.ClassNotFoundException: Can't find XMemcachedConstructorWithHostPortArgInterceptor at org.apache.skywalking.apm.agent.core.plugin.loader.AgentClassLoader.findClass(AgentClassLoader.java:119) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:348) at org.apache.skywalking.apm.agent.core.plugin.loader.InterceptorInstanceLoader.load(InterceptorInstanceLoader.java:77) at org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ConstructorInter.<init>(ConstructorInter.java:51) ... 60 more
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