kylixs edited a comment on pull request #261:
URL: https://github.com/apache/dubbo-samples/pull/261#issuecomment-761944031
还有一个错误，请检查一下是缺少依赖或者冲突的依赖：
```
2021-01-17 09:00:51.803:INFO::main: Logging initialized @2846ms to
org.eclipse.jetty.util.log.StdErrLog
Error: Exception in thread "main" java.lang.NoClassDefFoundError:
org/eclipse/jetty/servlet/ServletHandler
at
org.apache.dubbo.remoting.http.jetty.JettyHttpServer.<init>(JettyHttpServer.java:77)
at
org.apache.dubbo.remoting.http.jetty.JettyHttpBinder.bind(JettyHttpBinder.java:31)
at
org.apache.dubbo.remoting.http.HttpBinder$Adaptive.bind(HttpBinder$Adaptive.java)
at
org.apache.dubbo.rpc.protocol.http.HttpProtocol.doExport(HttpProtocol.java:110)
at
org.apache.dubbo.rpc.protocol.AbstractProxyProtocol.export(AbstractProxyProtocol.java:87)
at
org.apache.dubbo.qos.protocol.QosProtocolWrapper.export(QosProtocolWrapper.java:66)
at
org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.export(ProtocolFilterWrapper.java:153)
at
org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.export(ProtocolListenerWrapper.java:62)
at org.apache.dubbo.rpc.Protocol$Adaptive.export(Protocol$Adaptive.java)
at
org.apache.dubbo.registry.integration.RegistryProtocol.lambda$doLocalExport$2(RegistryProtocol.java:258)
at
java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
at
org.apache.dubbo.registry.integration.RegistryProtocol.doLocalExport(RegistryProtocol.java:256)
at
org.apache.dubbo.registry.integration.RegistryProtocol.export(RegistryProtocol.java:209)
at
org.apache.dubbo.qos.protocol.QosProtocolWrapper.export(QosProtocolWrapper.java:64)
at
org.apache.dubbo.rpc.protocol.ProtocolFilterWrapper.export(ProtocolFilterWrapper.java:151)
at
org.apache.dubbo.rpc.protocol.ProtocolListenerWrapper.export(ProtocolListenerWrapper.java:60)
at org.apache.dubbo.rpc.Protocol$Adaptive.export(Protocol$Adaptive.java)
at
org.apache.dubbo.config.ServiceConfig.doExportUrlsFor1Protocol(ServiceConfig.java:492)
at
org.apache.dubbo.config.ServiceConfig.doExportUrls(ServiceConfig.java:325)
at
org.apache.dubbo.config.ServiceConfig.doExport(ServiceConfig.java:300)
at org.apache.dubbo.config.ServiceConfig.export(ServiceConfig.java:206)
at
org.apache.dubbo.config.bootstrap.DubboBootstrap.lambda$exportServices$16(DubboBootstrap.java:943)
at java.util.HashMap$Values.forEach(HashMap.java:981)
at
org.apache.dubbo.config.bootstrap.DubboBootstrap.exportServices(DubboBootstrap.java:930)
at
org.apache.dubbo.config.bootstrap.DubboBootstrap.start(DubboBootstrap.java:749)
at
org.apache.dubbo.config.spring.context.DubboBootstrapApplicationListener.onContextRefreshedEvent(DubboBootstrapApplicationListener.java:59)
at
org.apache.dubbo.config.spring.context.DubboBootstrapApplicationListener.onApplicationContextEvent(DubboBootstrapApplicationListener.java:52)
at
org.apache.dubbo.config.spring.context.OneTimeExecutionApplicationContextEventListener.onApplicationEvent(OneTimeExecutionApplicationContextEventListener.java:40)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
at
org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
at
org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:393)
at
org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:347)
at
org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:883)
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546)
at
org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at
org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at org.apache.dubbo.samples.http.HttpProvider.main(HttpProvider.java:29)
Caused by: java.lang.ClassNotFoundException:
org.eclipse.jetty.servlet.ServletHandler
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 38 more
```
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