出错了，解决不了。希望有哥哥帮忙可以看看。java.lang.IllegalStateException: No such extension com.alibaba.dubbo.validation.Validation by name ture
<h1>HTTP Status 500 - java.lang.IllegalStateException: No such extension com.alibaba.dubbo.validation.Validation by
name ture</h1>
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<p><b>type</b> Exception report</p>
<p><b>message</b> <u>java.lang.IllegalStateException: No such extension com.alibaba.dubbo.validation.Validation by
name ture</u></p>
<p><b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this
request.</u></p>
<p><b>exception</b></p>
<pre>org.jboss.resteasy.spi.UnhandledException: java.lang.IllegalStateException: No such extension com.alibaba.dubbo.validation.Validation by name ture
org.jboss.resteasy.core.ExceptionHandler.handleApplicationException(ExceptionHandler.java:76)
org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:212)
org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:149)
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:372)
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
com.alibaba.dubbo.rpc.protocol.rest.DubboHttpServer$RestHandler.handle(DubboHttpServer.java:89)
com.alibaba.dubbo.remoting.http.servlet.DispatcherServlet.service(DispatcherServlet.java:61)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
</pre>
<p><b>root cause</b></p>
<pre>java.lang.IllegalStateException: No such extension com.alibaba.dubbo.validation.Validation by name ture
com.alibaba.dubbo.common.extension.ExtensionLoader.findException(ExtensionLoader.java:482)
com.alibaba.dubbo.common.extension.ExtensionLoader.createExtension(ExtensionLoader.java:489)
com.alibaba.dubbo.common.extension.ExtensionLoader.getExtension(ExtensionLoader.java:309)
com.alibaba.dubbo.validation.Validation$Adaptive.getValidator(Validation$Adaptive.java)
com.alibaba.dubbo.validation.filter.ValidationFilter.invoke(ValidationFilter.java:48)
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
com.alibaba.dubbo.rpc.filter.ExceptionFilter.invoke(ExceptionFilter.java:62)
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
com.alibaba.dubbo.monitor.support.MonitorFilter.invoke(MonitorFilter.java:75)
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
com.alibaba.dubbo.rpc.filter.TimeoutFilter.invoke(TimeoutFilter.java:42)
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
com.alibaba.dubbo.rpc.protocol.dubbo.filter.TraceFilter.invoke(TraceFilter.java:78)
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
com.alibaba.dubbo.rpc.filter.ContextFilter.invoke(ContextFilter.java:73)
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
com.alibaba.dubbo.rpc.filter.GenericFilter.invoke(GenericFilter.java:138)
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
com.alibaba.dubbo.rpc.filter.ClassLoaderFilter.invoke(ClassLoaderFilter.java:38)
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
com.alibaba.dubbo.rpc.filter.EchoFilter.invoke(EchoFilter.java:38)
com.alibaba.dubbo.rpc.protocol.ProtocolFilterWrapper$1.invoke(ProtocolFilterWrapper.java:72)
com.alibaba.dubbo.rpc.proxy.InvokerInvocationHandler.invoke(InvokerInvocationHandler.java:52)
com.alibaba.dubbo.common.bytecode.proxy1.pushOrder(proxy1.java)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:288)
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:242)
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:229)
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
com.alibaba.dubbo.rpc.protocol.rest.DubboHttpServer$RestHandler.handle(DubboHttpServer.java:89)
com.alibaba.dubbo.remoting.http.servlet.DispatcherServlet.service(DispatcherServlet.java:61)
javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
</pre>
<p><b>note</b> <u>The full stack trace of the root cause is available in the Apache Tomcat/8.0.32 logs.</u></p>
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<h3>Apache Tomcat/8.0.32</h3>
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