javax.websocket.DeploymentException: The path [webScoketServiceBaidu/{appID}] is not valid.

约定不等于承诺〃 2023-02-23 08:44 18阅读 0赞

### 错误提示： ###

javax.servlet.ServletException: javax.websocket.DeploymentException: The path [webScoketServiceBaidu/{ appID}] is not valid.
    	at org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:123)
    	at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5196)
    	at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    	at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752)
    	at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728)
    	at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
    	at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1739)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	at java.lang.reflect.Method.invoke(Method.java:498)
    	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)
    	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
    	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:482)
    	at org.apache.catalina.mbeans.MBeanFactory.createStandardContext(MBeanFactory.java:431)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	at java.lang.reflect.Method.invoke(Method.java:498)
    	at org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:300)
    	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:819)
    	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:801)
    	at com.sun.jmx.remote.security.MBeanServerAccessController.invoke(MBeanServerAccessController.java:468)
    	at javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1468)
    	at javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
    	at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1408)
    	at javax.management.remote.rmi.RMIConnectionImpl.invoke(RMIConnectionImpl.java:829)
    	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    	at java.lang.reflect.Method.invoke(Method.java:498)
    	at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:346)
    	at sun.rmi.transport.Transport$1.run(Transport.java:200)
    	at sun.rmi.transport.Transport$1.run(Transport.java:197)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
    	at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
    	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
    	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
    	at java.security.AccessController.doPrivileged(Native Method)
    	at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
    	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:748)
    Caused by: javax.websocket.DeploymentException: The path [webScoketServiceBaidu/{ appID}] is not valid.
    	at org.apache.tomcat.websocket.server.UriTemplate.<init>(UriTemplate.java:47)
    	at org.apache.tomcat.websocket.server.WsServerContainer.addEndpoint(WsServerContainer.java:155)
    	at org.apache.tomcat.websocket.server.WsServerContainer.addEndpoint(WsServerContainer.java:234)
    	at org.apache.tomcat.websocket.server.WsSci.onStartup(WsSci.java:120)
    	... 46 more

### 解决方法： ###

出现上面的错误，我个人原因是因为注解写错了，原本我写的是这样的：**@ServerEndpoint(“webSocketServerHezi/\{appID\}”)**，原因是括号内少写离开一个"/"，改成 **@ServerEndpoint("/webSocketServerHezi/\{appID\}")** 就可以了